Tüm alıştırma soruları

2131 soru

Soru 1161Soru

While traditional art historians have long treated the culture's monumental stone carvings as rigid expressions of immutable religious dogma, recent archaeological analyses reveal a remarkably plastic stylistic tradition. Indeed, rather than adhering strictly to static canonical forms, ancient sculptors repeatedly adapted their iconographic motifs to reflect shifting political alliances and regional cross-currents. Consequently, what was once interpreted as dogmatic orthodoxy is now understood to be an evolving visual language.

In the passage, the word "plastic" most nearly means which of the following?

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Cevap: malleable

Cevap

In the context of the passage, the word "plastic" means malleable or adaptable.
The sentence begins with the concession transition 'While', setting up a contrast between traditional views of the carvings as 'rigid' and recent findings showing them to be 'plastic'. The subsequent sentence elaborates that sculptors 'repeatedly adapted' their work. Therefore, 'plastic' is used in its secondary academic sense meaning adaptable or malleable.

Adım Adım Çözüm

1
Locate the target word and identify contrast structural signals in the sentence.
The target word "plastic" appears in a main clause following the subordinate clause introduced by the concession signal "While traditional art historians... treated stone carvings as rigid..."
The transition signal "While" establishes an opposing relationship between the traditional view ("rigid") and the recent discovery ("plastic").
2
Examine continuation clues in surrounding sentences for elaboration.
The following sentence uses the signal "Indeed, rather than adhering strictly to static canonical forms... adapted their iconographic motifs", confirming that the style was flexible.
Elaboration markers like "Indeed" reinforce the meaning of the preceding claim.
3
Select the option that aligns with the structural definition.
"Malleable" directly captures the concept of being flexible and adaptable to change.
It provides the precise antonymic alignment to "rigid" required by the contrast transition.

Anahtar Kavram

Deciphering Meaning via Structural Clues and Contrast/Continuation Signals
Tahmini Süre:1m 0s
Soru 1162Soru

Which word or idiomatic phrase correctly completes the blank in the sentence below?

Aşağıdaki boşlukları doldurun

Although the committee chair advocated for a more streamlined administrative hierarchy, several members warned that such drastic centralization would be fundamentally the collaborative spirit that had historically sustained the research institute.
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Cevap

inimical to
The contrast signal 'Although' signals an opposing viewpoint between the chair's proposal and the members' warnings. The blank requires an expression meaning 'harmful to' or 'adverse to' that idiomatically pairs with the preposition 'to'. The phrase 'inimical to' satisfies both the semantic need for opposition and the standard idiomatic rule of English prepositional complementation.

Adım Adım Çözüm

1
Analyze the structural signals and logical pivot in the sentence.
The initial concession word 'Although' sets up a contrast between the chair's intentions (streamlining) and the members' concerns (warning against centralization).
Understanding the structural shift helps determine whether a positive, neutral, or negative relationship is being described.
2
Determine the required contextual meaning and idiomatic preposition.
Since members are warning about a potential threat to collaboration, the missing phrase must convey harm, opposition, or hostility, and it must idiomatically govern the preposition 'to'.
Standard academic collocations require precise pairing between adjective modifiers and their prepositional complements.
3
Select the proper idiomatic collocation.
'inimical to' (or 'detrimental to') perfectly matches both the negative contrast required by the context and the correct prepositional complement 'to'.
Phrases like 'inimical with' or 'inimical of' represent non-standard usage that violates English idiomatic conventions.

Anahtar Kavram

Prepositional Collocations and Structural Contrast Clues
Soru 1163Soru

Although early historical accounts attributed the collapse of the ancient agrarian empire to a sudden, catastrophic conquest, recent paleoecological evidence indicates that the decline was in fact ________, unfolding imperceptibly across multiple centuries of resource depletion. Which TWO of the following answer choices, when inserted into the blank, produce sentences that are equivalent in meaning?

Geçerli olan tümünü seçin

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Cevap: protracted; prolonged

Cevap

The correct answer choices are 'protracted' and 'prolonged', as both words complete the sentence to mean extended in duration, matching the context of a process unfolding across centuries.
The sentence contrasts a sudden invasion with a collapse that unfolded imperceptibly over centuries. 'Protracted' and 'prolonged' both mean extended or drawn out over a long duration, making them functional synonyms that produce sentences with identical meaning.

Adım Adım Çözüm

1
Analyze the sentence context and structural clues.
The pivot phrase 'in fact' establishes a contrast between the early belief in a 'sudden, catastrophic conquest' and the actual nature of the decline, while the clue 'unfolding imperceptibly across multiple centuries' indicates a continuous, long-lasting process.
Identifying contextual contrast and structural signals determines the required semantic tone and meaning of the blank.
2
Identify word pairs among the given options.
The options contain two distinct synonym pairs: 'protracted' / 'prolonged' (both meaning extended in time) and 'intermittent' / 'episodic' (both meaning occurring irregularly).
GRE Sentence Equivalence requires selecting two words that produce equivalent sentence meanings.
3
Evaluate the synonym pairs and individual distractors against the contextual requirements.
'Protracted' and 'prolonged' accurately reflect a multi-century duration. 'Intermittent' and 'episodic' describe sporadic occurrences rather than a continuous multi-century process. 'Insidious' fits contextually but lacks a matching synonym pair.
Eliminating false synonym pairs and unpaired contextual fits isolates the unique pair that fulfills both semantic fit and equivalence.

Anahtar Kavram

Identifying contextual synonym pairs that create logically equivalent sentence meanings
Tahmini Süre:1m 30s
Soru 1164Soru

Complete the text below by supplying the word for each blank that best maintains contextual tone and connotative coherence across the passage.

Aşağıdaki boşlukları doldurun

Far from maintaining an objective stance toward the newly appointed minister's economic reforms, the journal's editorial was strikingly , characterizing every proposed fiscal policy in distinctly terms.
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Cevap

Blank 1 requires a word meaning biased or partisan (such as 'tendentious'), while Blank 2 requires a word with a negative, uncomplimentary connotation (such as 'pejorative') to match the negative tone established by the contrast clue.
The opening contrast phrase 'Far from maintaining an objective stance' indicates that the editorial took a slanted, opinionated approach. Therefore, Blank 1 requires a term denoting bias such as 'tendentious'. To reinforce this critical posture across the sentence, Blank 2 requires a negatively charged word such as 'pejorative' to match the non-objective, critical connotation.

Adım Adım Çözüm

1
Identify structural transition signals and contrast clues.
The opening shift 'Far from maintaining an objective stance...' signals that the editorial was NOT neutral, requiring a word with strong biased or opinionated valence for Blank 1.
Structural contrast clues indicate an opposite relationship to 'objective'.
2
Determine the required tone for Blank 1.
Words like 'tendentious', 'polemical', or 'partisan' correctly convey a biased, non-objective stance.
The context contrasts objectivity with slanted or partisan writing.
3
Determine the required connotative valence for Blank 2.
To maintain tone consistency with a biased, non-objective editorial attacking policy, Blank 2 requires a critical, negative term like 'pejorative' or 'disparaging'.
The second blank elaborates on how the non-objective editorial characterized the policies, maintaining consistent negative sentiment.

Anahtar Kavram

Tone and Connotation Matching
Soru 1165Soru

In early rewilding initiatives across Western Europe, the reintroduction of apex predators was frequently celebrated by ecological restorationists as an unalloyed success for biodiversity recovery. However, conservation biologist Dr. Beverly Kroll characterizes the initial enthusiasm surrounding these projects as remarkably naive. Rather than seamlessly re-establishing pristine ecosystem dynamics, the rapid reintroduction of large carnivores generated acute human-wildlife conflicts and unforeseen trophic cascades that disrupted local agricultural communities. Far from viewing predator restoration as a universal panacea, Kroll contends that its systemic efficacy remains contingent on extensive socio-ecological mediation.

In the context of the passage, the word 'naive' functions primarily to express which tone or assessment regarding the initial enthusiasm of restorationists?

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Cevap: A critical assessment highlighting that early enthusiasm failed to anticipate complex ecological and social repercussions

Cevap

The word 'naive' functions as a critical assessment highlighting that early enthusiasm failed to anticipate complex ecological and social repercussions.
The passage establishes that early restorationists celebrated rewilding as an 'unalloyed success', but Dr. Kroll introduces a pivot ('However') characterizing this perspective as 'naive'. The subsequent sentences elaborate on why it was naive: the projects generated unforeseen trophic cascades and human-wildlife conflicts. Thus, 'naive' conveys a critical judgment that early enthusiasm failed to account for complex practical and ecological complications.

Adım Adım Çözüm

1
Analyze structural contrast and context clues surrounding the target word.
The word 'naive' follows the contrast signal 'However' and is elaborated by phrases detailing 'acute human-wildlife conflicts and unforeseen trophic cascades' and the rejection of a 'universal panacea'.
Contextual tone is established by looking at surrounding structural pivots and explanatory sentences.
2
Determine the contextual polarity and attitude conveyed by 'naive'.
The tone is negatively critical of the early proponents' oversimplified optimism, viewing their failure to foresee complications as unrealistic optimism.
The author contrasts pristine expectations with messy empirical realities.
3
Match the derived contextual meaning to the option that captures this qualified critique without overstatement.
The option identifying a critical assessment of overlooked complications accurately reflects the passage's measured negative polarity.
Avoid options that attribute extreme malice or complete rejection beyond the passage evidence.

Anahtar Kavram

Identifying Contextual Tone, Polarity, and Connotation
Soru 1166Soru

Although the historiographer's monograph was initially celebrated for offering an __________ account of the diplomatic negotiations, subsequent scrutiny revealed that her analysis leaned heavily on standard, long-publicized archival materials.

Which TWO of the following answer choices, when inserted into the blank, produce completed sentences that are equivalent in meaning?

Geçerli olan tümünü seçin

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Cevap: unprecedented; novel

Cevap

The correct choices are 'unprecedented' and 'novel'. Both words denote something original or not previously known, which provides the necessary semantic contrast to the subsequent clause describing the reliance on standard, long-publicized materials.
The sentence relies on a contrast structure initiated by 'Although'. The second half of the sentence reveals that the monograph used 'standard, long-publicized archival materials' (implying a lack of original finding). To create the contrast, the initial celebration must have assumed the work was highly original. Both 'unprecedented' and 'novel' mean original or previously unseen, thereby completing the sentence with equivalent meaning.

Adım Adım Çözüm

1
Analyze structural signals and overall sentence polarity.
The concession transition 'Although' at the start of the sentence signals a contrast between the initial praise of the monograph and the later revelation of its contents.
Identifying pivot words dictates whether the blank requires alignment with or opposition to surrounding context.
2
Determine the contextual meaning required for the blank.
The second clause states that scrutiny showed the analysis 'leaned heavily on standard, long-publicized archival materials'. Therefore, the initial celebration must have praised the monograph for being original, groundbreaking, or unprecedented.
The blank must contrast 'standard, long-publicized' with a word meaning innovative or new.
3
Evaluate the option choices for synonym pairs and contextual fit.
'unprecedented' and 'novel' both mean original and new, fitting the context and creating equivalent sentence meanings. 'meticulous' and 'painstaking' form a synonym pair meaning careful/thorough, but fail to provide the contrast regarding novelty. 'orthodox' contradicts the contrast signal, and 'pedantic' lacks a matching pair.
Only words that both fit the sentence tone and share equivalent meaning produce sentence equivalence.

Anahtar Kavram

Sentence Equivalence: Contextual Synonym Pair Selection
Soru 1167Soru

While the preliminary trial findings were merely suggestive, the subsequent large-scale longitudinal study yielded unequivocally robust empirical data; accordingly, skepticism regarding the efficacy of the novel therapeutic intervention began to ________, giving way to widespread clinical adoption.

Select the TWO answer choices that, when inserted into the sentence, produce completed sentences that are coherent and equivalent in meaning.

Geçerli olan tümünü seçin

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Cevap: dissipate; evaporate

Cevap

The two choices that complete the sentence with equivalent meaning are 'dissipate' and 'evaporate'.
The causal transition 'accordingly' indicates that the robust data directly caused skepticism to vanish or fade away, enabling widespread adoption. Both 'dissipate' and 'evaporate' accurately convey this meaning of fading or disappearing, resulting in two sentences that are logically sound and identical in meaning.

Adım Adım Çözüm

1
Analyze structural transition signals and sentence polarity.
The semicolon followed by 'accordingly' acts as a causal continuation signal, indicating that the second clause is a direct logical consequence of the first. Additionally, the phrase 'giving way to widespread clinical adoption' provides a positive contextual outcome.
Identifying the relationship between the robust empirical data and the decline in doubt is necessary to determine the direction of the missing word.
2
Determine the required contextual meaning for the blank.
Because the new study provided 'unequivocally robust empirical data', skepticism must diminish, fade, or disappear so that clinical adoption can occur.
Establishing that skepticism must decrease narrows the target definitions to words meaning to fade away or vanish.
3
Evaluate the choices to find a pair of near-synonyms fitting the context.
'Dissipate' and 'evaporate' both mean to fade away or disappear completely. Choosing either word maintains logical coherence and produces sentences of identical meaning.
Sentence Equivalence requires selecting two words that fulfill both contextual fit and semantic equivalence.

Anahtar Kavram

Interpreting Causal Structural Signals and Continuation Relationships in Sentence Equivalence
Tahmini Süre:2m 0s
Soru 1168Soru

Although the fiscal policy was ostensibly designed to bolster domestic manufacturing, several independent economists argued that its beneficial effects would prove entirely __________, readily undone by the inevitable rise in import tariffs. Which two of the following answer choices, when inserted into the blank, produce completed sentences that are functionally equivalent in meaning?

Geçerli olan tümünü seçin

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Cevap: ephemeral; transitory

Cevap

The correct choices are 'ephemeral' and 'transitory'.
The sentence begins with the concession signal 'Although', establishing a contrast between the policy's intended goal ('to bolster domestic manufacturing') and the economists' actual prediction. The descriptive clause at the end of the sentence explains that these beneficial effects would be 'readily undone', signifying that they are fleeting or impermanent. Both 'ephemeral' and 'transitory' mean temporary or short-lived. Inserting either word completes the sentence coherently and creates completed sentences with identical meaning.

Adım Adım Çözüm

1
Analyze sentence structure and transition signals.
The concession signal 'Although' sets up a contrast between the intended goal of the policy ('to bolster domestic manufacturing') and the economists' prediction about its real effects.
Identifying the contrast signal determines that the blank must describe a limitation of the beneficial effects.
2
Extract contextual clues to define the missing concept.
The explanatory phrase 'readily undone by the inevitable rise in import tariffs' indicates that the positive impacts will not endure over time.
The sentence requires words that describe something impermanent, fleeting, or short-lived.
3
Evaluate answer choices to find contextual synonym pairs.
'Ephemeral' and 'transitory' both mean existing or lasting for a very short time. Substituting either word completes the sentence logically and preserves semantic equivalence.
Selecting these two choices satisfies both contextual fit and synonymy requirements.

Anahtar Kavram

Sentence Equivalence: Contextual Synonym Pair Selection
Tahmini Süre:1m 30s
Soru 1169Soru

Although the nineteenth-century mathematician's groundbreaking proofs were initially dismissed as mere curiosities, contemporary scholars now view his work as __________, recognizing it as foundational to modern information theory.

Which TWO of the following answer choices, when inserted into the sentence, produce completed sentences that are most similar in meaning?

Geçerli olan tümünü seçin

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Cevap: pivotal; crucial

Cevap

The correct choices are 'pivotal' and 'crucial'.
The transition word 'Although' sets up a contrast between the past dismissal of the proofs as trivial and their current recognition as 'foundational'. Both 'pivotal' and 'crucial' mean essential or of central importance, completing the sentence logically while maintaining identical overall meaning.

Adım Adım Çözüm

1
Analyze the structural pivot and tone signals in the sentence stem.
The word 'Although' indicates a contrast between how the proofs were 'initially dismissed as mere curiosities' and how scholars 'now view his work'.
The blank requires a positive adjective meaning essential or foundational to contrast with 'mere curiosities'.
2
Evaluate the choices for contextual fit and synonym equivalence.
'Pivotal' and 'crucial' both express that the work is of central, vital importance, producing two sentences with identical meaning.
Both words align with the clause 'recognizing it as foundational'.
3
Eliminate incorrect distractors based on error taxonomy.
'Esoteric' and 'arcane' form a pair but ignore the contrast pivot; 'novel' lacks a synonym partner; 'historical' is a topical distractor.
Only 'pivotal' and 'crucial' satisfy both contextual logic and semantic equivalence.

Anahtar Kavram

Sentence Equivalence: Contextual Synonym Pair Selection
Soru 1170Soru

Although the archivist initially suspected that the diplomatic logs from the late Ottoman era were entirely ________, subsequent cross-referencing with local court transcripts established beyond doubt that the logs contained verified historical facts.

Which TWO of the following answer choices, when inserted into the sentence, produce completed sentences that are coherent and equivalent in meaning?

Geçerli olan tümünü seçin

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Cevap: apocryphal; spurious

Cevap

The two choices that complete the sentence with equivalent meaning are 'apocryphal' and 'spurious'.
The sentence relies on the concession marker 'Although' to set up a contrast between the initial suspicion about the diplomatic logs and the subsequent discovery that they contained 'verified historical facts'. Therefore, the blank requires words that mean false, fabricated, or of dubious authenticity. Both 'apocryphal' and 'spurious' precisely capture this meaning, yielding two completed sentences that are logically coherent and semantically equivalent.

Adım Adım Çözüm

1
Analyze sentence structure and clue words
The concession transition 'Although' indicates that the initial suspicion about the logs contrasts with the later finding that they 'contained verified historical facts'.
Establishing the contrast helps determine that the missing word must describe something unverified, false, or fabricated.
2
Identify the required target definition and valence
The target word must mean false, fake, or of doubtful authenticity, creating a negative valence opposite to 'verified historical facts'.
This narrows down the candidate words to those expressing doubt about historical truth.
3
Evaluate candidate words and validate equivalence
'Apocryphal' and 'spurious' both mean false or of doubtful authenticity, creating sentences with identical meaning. Other options either lack a pair ('erroneous'), exhibit incorrect polarity ('authentic'), or form an off-target synonym pair ('inscrutable' / 'opaque').
Sentence Equivalence requires both contextual fit and semantic equivalence between the two completed sentences.

Anahtar Kavram

Validating Sentence Coherence and Pair Equivalence
Soru 1171Soru

While seventeenth-century natural philosophers initially regarded the rise of water in suction pumps as proof of nature’s (i)________ abhorrence of a vacuum, Torricelli’s barometric experiments proved that this phenomenon was actually (ii)________, governed not by an innate physical aversion but by the measurable weight of the surrounding atmosphere—a revelation that effectively (iii)________ the long-standing metaphysical doctrine.

Which of the following combinations of terms, when inserted into the passage in order, best completes the text in a logically coherent manner?

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Cevap: (i) intrinsic, (ii) circumstantial, (iii) dismantled

Cevap

The option containing '(i) intrinsic, (ii) circumstantial, (iii) dismantled' accurately completes the passage.
The combination consisting of '(i) intrinsic, (ii) circumstantial, (iii) dismantled' creates complete contextual and structural coherence. 'Intrinsic' aligns with the concept of an innate physical aversion. 'Circumstantial' correctly reflects that the water's movement is contingent upon external atmospheric pressure rather than an absolute property. 'Dismantled' logically completes the thought by indicating that Torricelli's empirical findings overturned the historical metaphysical doctrine.

Adım Adım Çözüm

1
Analyze structural contrast clues and cross-blank relationships
The initial 'While' signals a contrast between the historical assumption in Blank (i) and the experimental finding in Blank (ii). The phrase 'governed not by an innate physical aversion but by the measurable weight' elaborates on Blank (i) and Blank (ii).
Establishing the sentence architecture is necessary to determine the directionality of each blank.
2
Determine the semantic orientation for Blank (i) and Blank (ii)
Blank (i) must mean inherent or innate to parallel 'nature's abhorrence' and 'innate physical aversion', making 'intrinsic' the correct fit. Blank (ii) must mean dependent on external environmental conditions rather than absolute, making 'circumstantial' (or contingent) the required match.
Inter-blank dependency requires that Blank (ii) directly counters the 'innate' quality established in Blank (i).
3
Evaluate Blank (iii) based on the overall passage outcome
Since Torricelli proved the effect was caused by atmospheric pressure rather than nature's aversion, his revelation refuted the old belief, requiring a verb like 'dismantled'.
The final clause describes the ultimate impact of the empirical revelation on the legacy metaphysical theory.

Anahtar Kavram

Multi-Blank Dependency Tracking
Tahmini Süre:2m 0s
Soru 1172Soru

Let mm and nn be positive integers such that m2nm^2 n is divisible by 7272 and mn2m n^2 is divisible by 108108. What is the minimum possible value of the product mnmn?

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Cevap: 36

Cevap

36
The product (m2n)(mn2)=(mn)3(m^2 n)(m n^2) = (mn)^3 must be divisible by 72×108=25×3572 \times 108 = 2^5 \times 3^5. For (mn)3(mn)^3 to be a valid cube of an integer, the exponents of 2 and 3 in its prime factorization must be multiples of 3 greater than or equal to 5. The smallest such multiples of 3 are 6, meaning (mn)326×36=(36)3(mn)^3 \ge 2^6 \times 3^6 = (36)^3, so mn36mn \ge 36. Setting m=6m = 6 and n=6n = 6 confirms that 3636 satisfies all requirements.

Adım Adım Çözüm

1
Express the given divisibility conditions in terms of prime factorizations.
72=23×3272 = 2^3 \times 3^2 and 108=22×33108 = 2^2 \times 3^3. Therefore, m2nm^2 n is a multiple of 23×322^3 \times 3^2, and mn2m n^2 is a multiple of 22×332^2 \times 3^3.
Prime factorization allows us to analyze the minimum exponent requirements for 2 and 3.
2
Multiply the two expressions to find a lower bound on (mn)3(mn)^3.
(m2n)(mn2)=m3n3=(mn)3(m^2 n)(m n^2) = m^3 n^3 = (mn)^3 must be divisible by (23×32)(22×33)=25×35(2^3 \times 3^2)(2^2 \times 3^3) = 2^5 \times 3^5.
Combining the expressions yields a perfect cube (mn)3(mn)^3.
3
Determine the minimum prime powers needed for mnmn.
Since (mn)3(mn)^3 is a perfect cube divisible by 25×352^5 \times 3^5, the exponents of 2 and 3 in (mn)3(mn)^3 must be multiples of 3 that are at least 5. The smallest such exponents are 6 for both 2 and 3. Thus, (mn)326×36=(22×32)3=363(mn)^3 \ge 2^6 \times 3^6 = (2^2 \times 3^2)^3 = 36^3, so mn36mn \ge 36.
Exponents in a perfect cube factorization must be multiples of 3.
4
Verify that mn=36mn = 36 is achievable with integer values of mm and nn.
Setting m=6m = 6 and n=6n = 6 gives mn=36mn = 36. Then m2n=63=216=3×72m^2 n = 6^3 = 216 = 3 \times 72 (divisible by 72) and mn2=63=216=2×108m n^2 = 6^3 = 216 = 2 \times 108 (divisible by 108).
Constructing valid integers mm and nn confirms that 36 is achievable.

Anahtar Kavram

Properties of Integers and Prime Factorization
Soru 1173Soru

If kk is an integer greater than 11 such that k3kk^3 - k is a multiple of 240240, what is the least possible value of kk?

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Cevap: 9

Cevap

The least possible value of kk is 9.
Factoring k3kk^3 - k gives (k1)k(k+1)(k-1)k(k+1), representing the product of three consecutive integers. The prime factorization of 240240 is 24×3×52^4 \times 3 \times 5. To be divisible by 240240, the product (k1)k(k+1)(k-1)k(k+1) must contain at least four factors of 2, one factor of 3, and one factor of 5. Testing integers k>1k > 1: for k=9k=9, the product is (8)(9)(10)=720(8)(9)(10) = 720, which is 3×2403 \times 240. Checking all integers 1<k<91 < k < 9 confirms that no smaller integer satisfies the condition.

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1
Factor the algebraic expression k3kk^3 - k.
k3k=k(k21)=(k1)k(k+1)k^3 - k = k(k^2 - 1) = (k-1)k(k+1).
This expresses the polynomial as a product of three consecutive integers.
2
Determine the prime factorization of 240.
240=24×3×5=16×3×5240 = 2^4 \times 3 \times 5 = 16 \times 3 \times 5.
For (k1)k(k+1)(k-1)k(k+1) to be a multiple of 240, the product must be divisible by 16, 3, and 5 simultaneously.
3
Test candidate values of k>1k > 1 to find the smallest valid integer.
For k=9k=9, (k1)k(k+1)=(8)(9)(10)=720(k-1)k(k+1) = (8)(9)(10) = 720, which equals 3×2403 \times 240.
Testing smaller values: k=5k=5 yields 120120, k=6k=6 yields 210210, k=7k=7 yields 336336, and k=8k=8 yields 504504. None of these are divisible by 240.

Anahtar Kavram

Divisibility rules and prime factor distribution across consecutive integers
Tahmini Süre:2m 0s
Soru 1174Soru

Far from maintaining the objective detachment typical of academic historiography, the chronicler's account of the court's defeat was distinctly _______, suffused with an unmistakable grief that elevated a mere chronicle into a moving lament. Which of the following words best completes the blank to match the sentence's contextual tone?

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Cevap: elegiac

Cevap

elegiac
The sentence explicitly points to an emotional quality 'suffused with an unmistakable grief' that turns the work into a 'moving lament.' The term 'elegiac' specifically denotes a sorrowful, mournful tone typical of an elegy, perfectly aligning with the contextual tone of the sentence.

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1
Analyze structural transition clues and tone indicators in the sentence.
The phrase 'Far from maintaining the objective detachment' signals a contrast with neutral detachment, while 'suffused with an unmistakable grief' and 'moving lament' establish a strongly mournful emotional tone.
Identifying contextual clues and polarity dictates the required connotation of the target word.
2
Evaluate the vocabulary options against the identified tone requirement.
The word 'elegiac' specifically means expressing sorrow or mourning, precisely matching the emotional resonance of a grief-stricken lament.
Only 'elegiac' satisfies both the semantic definition and the mournful connotative valence required by the sentence.

Anahtar Kavram

Tone and Connotation Matching
Soru 1175Soru

When the positive integer mm is divided by 88, the remainder is 55. What is the remainder when 3m+73m + 7 is divided by 88?

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Cevap: 66

Cevap

The remainder is 66.
Since mm leaves a remainder of 55 when divided by 88, we can evaluate 3m+73m + 7 modulo 88 by replacing mm with 55. Calculating 3(5)+73(5) + 7 gives 2222. Dividing 2222 by 88 gives a quotient of 22 with a remainder of 66 because 22=8×2+622 = 8 \times 2 + 6.

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1
Express integer mm using the division algorithm.
m=8k+5m = 8k + 5 for some non-negative integer kk.
Dividing mm by 88 yields a remainder of 55.
2
Substitute the expression for mm into 3m+73m + 7.
3m+7=3(8k+5)+7=24k+15+7=24k+223m + 7 = 3(8k + 5) + 7 = 24k + 15 + 7 = 24k + 22.
This expresses the new quantity algebraically in terms of kk.
3
Determine the remainder when 24k+2224k + 22 is divided by 88.
24k+22=8(3k+2)+624k + 22 = 8(3k + 2) + 6, so the remainder is 66.
The term 8(3k+2)8(3k + 2) is a multiple of 88, leaving 66 as the non-negative remainder less than 88.

Anahtar Kavram

Remainder properties of linear combinations of integers
Tahmini Süre:45s
Soru 1176Soru

For all positive integers nn, what is the greatest integer that MUST divide n5nn^5 - n?

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Cevap: 30

Cevap

The greatest integer that must divide n5nn^5 - n for all positive integers nn is 30.
Factoring the expression yields n5n=(n1)n(n+1)(n2+1)n^5 - n = (n-1)n(n+1)(n^2+1). The factor (n1)n(n+1)(n-1)n(n+1) consists of three consecutive integers, ensuring divisibility by both 2 and 3 (and thus by 6). Furthermore, the units digit of n5n^5 is always identical to the units digit of nn for any positive integer nn, which guarantees that n5nn^5 - n is divisible by 5. Since 6 and 5 share no common factors, n5nn^5 - n must be divisible by 6×5=306 \times 5 = 30. Testing n=2n = 2 gives 252=302^5 - 2 = 30, proving that 30 is the largest integer that divides the expression for all positive integers nn.

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1
Factor the algebraic expression n5nn^5 - n.
n5n=n(n41)=n(n21)(n2+1)=(n1)n(n+1)(n2+1)n^5 - n = n(n^4 - 1) = n(n^2 - 1)(n^2 + 1) = (n - 1)n(n + 1)(n^2 + 1).
Factoring helps isolate product terms with known divisibility rules.
2
Analyze divisibility by 2 and 3.
The sub-expression (n1)n(n+1)(n - 1)n(n + 1) is the product of three consecutive integers.
Among any three consecutive integers, at least one is divisible by 2 and exactly one is divisible by 3. Therefore, (n1)n(n+1)(n - 1)n(n + 1) is always divisible by 2×3=62 \times 3 = 6.
3
Analyze divisibility by 5.
By Fermat's Little Theorem (or analyzing last-digit repeating cycles of powers), for any integer nn, n5n(mod5)n^5 \equiv n \pmod 5, which implies 55 divides n5nn^5 - n.
The units digit of n5n^5 is always equal to the units digit of nn, so n5nn^5 - n always ends in 0 or 5, making it a multiple of 5.
4
Combine the common prime factors and evaluate the maximum lower bound.
Since 2, 3, and 5 are pairwise coprime, any number divisible by 2, 3, and 5 must be divisible by 2×3×5=302 \times 3 \times 5 = 30. Evaluating at n=2n = 2 yields 252=302^5 - 2 = 30, showing no integer greater than 30 can divide n5nn^5 - n for all nn.
The greatest common divisor across all generated values of n5nn^5 - n is 30.

Anahtar Kavram

Divisibility properties of consecutive integers and power mod rules
Tahmini Süre:1m 30s
Soru 1177Soru

Which two of the following answer choices, when inserted into the blank, produce completed sentences that are logically equivalent and coherent in meaning?

In spite of the chief archivist’s insistence that the illuminated manuscript had remained ________ since its creation in the fourteenth century, spectroscopic analysis of the pigment layers demonstrated several discrete episodes of post-production retouching.

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Cevap: pristine; unblemished

Cevap

The correct selections are 'pristine' and 'unblemished'.
The introductory concession phrase 'In spite of' signals a contrast between the archivist's belief and the actual laboratory findings. Since spectroscopic analysis showed that the manuscript underwent 'post-production retouching', the archivist must have insisted that it was completely original and untouched. Both 'pristine' and 'unblemished' mean immaculate and unaltered, creating two logically equivalent sentences.

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1
Identify structural signals and pivot clues
The opening transition 'In spite of' establishes a concession and contrast between the archivist's assertion about the manuscript and the physical evidence revealed by spectroscopic analysis.
Concession signals indicate that the content of the main clause ('spectroscopic analysis demonstrated... retouching') contrasts with the expectation set in the dependent concession clause.
2
Determine the required contextual valence of the blank
Because the evidence demonstrates 'post-production retouching' (alteration), the archivist's insistence must have been that the manuscript was completely unaltered, untouched, or pure.
The word in the blank must describe a state opposite to being retouched or altered.
3
Evaluate option pairs for semantic equivalence
'Pristine' and 'unblemished' both mean remaining in an original, immaculate, and unaltered state, producing two sentences with identical meaning.
Both words satisfy the required context and form an exact synonym pair.

Anahtar Kavram

Interpreting Concession Signals in Sentence Equivalence
Soru 1178Soru

Researchers analyzing high-altitude bristlecone pine growth rings in the White Mountains observed a sudden, sharp contraction in tree-ring width dating precisely to 536 CE. Historical records from the Mediterranean basin during the same decade describe several years of dimmed sunlight and summer frosts. The researchers concluded that a major volcanic eruption in 536 CE ejected massive sulfate aerosols into the stratosphere, blocking solar radiation and causing global cooling that restricted tree growth. Which of the following, if true, provides the strongest support for the researchers' conclusion?

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Cevap: Polar ice core samples retrieved from layers dated to 536 CE contain unprecedentedly high concentrations of atmospheric volcanic sulfate deposits.

Cevap

The correct answer is the option stating that polar ice core samples from 536 CE contain unprecedentedly high concentrations of atmospheric volcanic sulfate deposits.
The correct answer provides direct physical proof of massive atmospheric volcanic aerosols precisely in 536 CE from independent ice core data. This strongly reinforces the conclusion that a volcanic eruption was the cause of both the Mediterranean atmospheric phenomenon and the tree-ring growth contraction.

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1
Deconstruct the argument into premise and conclusion.
Premise 1: Sharp narrowing of tree rings in 536 CE. Premise 2: Mediterranean historical records report dimmed sunlight/frosts in 536 CE. Conclusion: A major volcanic eruption in 536 CE caused global stratospheric cooling that restricted tree growth.
Identifying the gap between observed evidence (tree rings, dimmed sun) and the proposed cause (volcanic eruption) is essential for evaluating strengthening statements.
2
Identify what evidence would strengthen the causal claim.
Direct physical evidence confirming an eruption occurred in 536 CE, or ruling out alternative causes for the tree-ring contraction.
Strengthening questions require corroborating the specific mechanism or cause proposed by the author.
3
Evaluate the choices against the required strengthening effect.
Finding volcanic sulfate deposits in polar ice cores dated to 536 CE provides independent, direct physical verification of a global volcanic eruption in that exact year.
This confirms the unstated physical bridge between the tree-ring anomaly and the hypothesized volcanic cause.

Anahtar Kavram

Strengthening Causal Claims via Independent Physical Corroboration
Tahmini Süre:1m 30s
Soru 1179Soru

Far from being fragile environments easily disrupted by thermal extremes, deep-sea hydrothermal vent ecosystems are surprisingly resilient, populated by specialized organisms that have grown thoroughly __________ the scalding temperatures and toxic mineral fluids emitted by abyssal fissures. Which of the following words or phrases best completes the blank in a manner that satisfies standard academic English idiomatic fit?

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Cevap: inured to

Cevap

The phrase 'inured to' correctly completes the sentence both semantically and idiomatically.
The correct option is 'inured to' because it precisely expresses becoming habituated or resistant to hardship (the scalding temperatures and toxic fluid emissions) and adheres to the mandatory idiomatic prepositional pairing 'inured to'.

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1
Analyze structural contrast clues in the sentence stem.
The opening transition 'Far from being fragile...' paired with 'surprisingly resilient' indicates that the vent organisms can tolerate extreme heat and toxicity without suffering harm.
Establishing context polarity ensures the chosen vocabulary word reflects tolerance or adaptation rather than fragility.
2
Evaluate idiomatic prepositional complementation for candidate vocabulary.
'Inured' specifically pairs with the preposition 'to' to mean accustomed or hardened to something undesirable or severe.
Standard academic English requires specific prepositional collocations to maintain proper idiomatic fit.
3
Eliminate incorrect distractors based on syntax and meaning.
Options introducing incorrect prepositions (such as 'with' instead of 'to') or contradictory meanings (such as 'pervious to' or 'averse to') are eliminated.
Only one choice satisfies both the logical tone of resilience and the precise adjective-preposition collocation requirement.

Anahtar Kavram

Prepositional Complement and Idiomatic Collocation
Tahmini Süre:1m 0s
Soru 1180Soru

Although the curator initially hoped the retrospective would offer a definitive assessment of the artist’s oeuvre, the exhibition’s overarching narrative proved unexpectedly __________; its thematic layout suggested tentative connections rather than establishing any conclusive lineage.

Which two of the following answer choices, when inserted into the sentence, produce completed sentences that are most similar in meaning?

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Cevap: provisional; tentative

Cevap

The correct selections are 'provisional' and 'tentative'. Both words convey that the exhibition's narrative was unconfirmed, conditional, or subject to revision, matching the clue 'suggested tentative connections rather than establishing any conclusive lineage' and contrasting with 'definitive assessment'.
The sentence contrasts an expectation of a 'definitive assessment' with an actual outcome characterized by 'tentative connections' and a lack of 'conclusive lineage'. The words 'provisional' and 'tentative' both mean unconfirmed, conditional, or subject to revision. Inserting either word produces completed sentences that express the exact same meaning.

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1
Analyze structural signals and context clues in the sentence stem.
The concession signal 'Although' and the contrast pivot 'unexpectedly' set up an opposition between the initial expectation of a 'definitive assessment' and the actual outcome. The semicolon elaborates on this outcome: the layout made 'tentative connections rather than establishing any conclusive lineage'.
Understanding sentence structure isolates the target meaning required for the blank.
2
Define the target semantic requirements for the blank.
The blank must mean conditional, unconfirmed, or non-definitive, contrasting with 'definitive' and aligning with 'tentative'.
Knowing the precise contextual meaning allows accurate filtering of candidate words.
3
Evaluate option pairs for both contextual fit and semantic equivalence.
'Provisional' and 'tentative' both mean temporary, hesitant, or subject to revision, completing two coherent sentences with identical meanings. 'Amorphous' and 'shapeless' form a valid synonym pair but fail contextually because a 'thematic layout' implies structure. 'Ambiguous' fits the context loosely but has no synonym pair.
Sentence Equivalence requires selecting two choices that are both contextually appropriate and semantically equivalent to each other.

Anahtar Kavram

Sentence Equivalence: Contextual Synonym Pair Selection
ÖncekiSayfa 59 / 107Sonraki
Tüm alıştırma soruları — GRE General Test | Examkin