Tüm alıştırma soruları

Earth’s magnetosphere deflects most of the solar wind, shielding the atmosphere from erosion by charged particles. However, during periods of intense solar activity, magnetic reconnection can temporarily breach this shield, allowing high-energy plasma to enter the upper atmosphere. ____________, geomagnetically induced currents can surge through power grids on the surface, causing widespread electrical failures.

Which choice completes the passage with the most logical transition?

If $4^{2n-3} = \left(\frac{1}{8}\right)^{n-5}$, what is the value of $n$?

Coral reefs occupy less than one percent of the ocean floor. ______ they support more than twenty-five percent of all marine life, making them some of the most biodiverse ecosystems on Earth.

Which choice completes the passage with the most logical transition?

For much of the twentieth century, cognitive scientists largely dismissed the Sapir-Whorf hypothesis—the idea that the structure of a language influences its speakers' cognition—favoring instead a model of universal, language-independent thought. However, recent empirical studies have revived interest in linguistic relativity. For instance, researcher Lera Boroditsky and colleagues demonstrated that speakers of languages that use absolute cardinal directions (like 'north' and 'south') rather than relative terms ('left' and 'right') exhibit significantly superior spatial orientation skills, even in unfamiliar indoor settings. By showcasing how linguistic categories shape fundamental cognitive processes like spatial navigation, these findings challenge the long-held assumption that human thought is entirely uniform across different language groups, prompting a major reassessment of the relationship between language and mind.

Which choice best states the main purpose of the text?

While preparing a presentation on the diet of the Ancestral Puebloans, a student takes the following notes:
* Archaeologists analyzed organic residue on pottery vessels from an eleventh-century Ancestral Puebloan site in Utah.
* The residue analysis revealed traces of cultivated crops, including maize and squash, as well as wild grasses.
* No traces of animal fats, meat, or other animal products were detected on the analyzed vessels.
* Maize and squash were major agricultural products of the region during this period.

The student wants to support the claim that the diet of the Ancestral Puebloans at this site was primarily plant-based. Which choice most effectively uses information from the given notes to accomplish this goal?

Which choice completes the text with the most logical and precise word or phrase?

The following passage is about the socioeconomic effects of the Black Death in medieval Europe. Complete the passage by entering the transition word or phrase that most logically connects the ideas. Which transition word or phrase best completes the passage?

Epigraphists studying slate tablets from the Visigothic Kingdom (fifth to eighth centuries CE) in rural Iberia have identified numerous informal documents, such as tax receipts and agricultural inventories, written in vulgar Latin. Historically, scholars argued that literacy in Visigothic society was confined strictly to the ecclesiastical elite residing in urban administrative centers. However, the slate tablets, which were inscribed by individuals lacking formal scribal training, detail transactions between rural inhabitants. Because these tablets were manufactured and utilized entirely within local agrarian communities, _________.

Which choice most logically completes the text?

While preparing a presentation on marine ecology, a student takes the following notes:
* Marine biologist Elena Vance investigated the diet of green sea turtles (*Chelonia mydas*) in the Mediterranean Sea.
* Green sea turtles are known to consume both seagrasses and small marine animals.
* Vance analyzed chemical markers in the turtles' shells to determine their primary food source.
* High levels of the marker carbon-13 indicate a diet consisting mainly of the seagrass *Posidonia oceanica*.
* The analysis of the turtles' shells revealed very high levels of carbon-13 and no markers associated with marine animals.

The student wants to use information from the notes to support the claim that the turtles in the study eat seagrass rather than marine animals. Which choice most effectively uses information from the given notes to accomplish this goal?

While researching ancient cities buried by volcanic eruptions, a student took the following notes:
* Pompeii is an ancient Roman city located in modern-day Italy.
* It was buried under volcanic ash during the eruption of Mount Vesuvius in 79 CE.
* Joya de Cerén is an ancient Maya farming community located in modern-day El Salvador.
* It was buried under volcanic ash during the eruption of the Loma Caldera volcano in approximately 600 CE.

The student wants to contrast the geographical locations of the two sites. Which choice most effectively uses information from the given notes to accomplish this goal?

Text 1
Historian Evelyn Vance argues that museum exhibitions of ancient classical sculptures must prioritize reconstructing their original, vibrant polychromy. Vance asserts that presenting these marble works in their current weathered, monochrome state fundamentally misrepresents the artists' initial intentions. According to Vance, leaving sculptures uncolored deprives modern viewers of the true aesthetic context of Greek and Roman art, reinforcing a false historical narrative.

Text 2
Art conservator Marcus Thorne maintains that attempting to physically repaint ancient sculptures based on chemical analysis of trace pigments is highly problematic. Thorne contends that applying modern paints risks causing irreversible damage to the underlying stone. Furthermore, because the exact historical binding agents and application techniques remain unknown, any colored physical reconstruction is ultimately a speculative projection of modern tastes rather than a restoration of historical reality.

Based on the texts, how would Marcus Thorne (Text 2) most likely respond to Evelyn Vance's proposal (Text 1)?

While researching early photographic processes, a student took the following notes:
* Introduced in 1839, the daguerreotype process creates a highly detailed image directly on a polished, silver-coated copper plate.
* Because daguerreotypes do not use a negative, each image is a unique, non-reproducible artifact.
* Introduced in 1841, the calotype process involves exposing paper sensitized with silver iodide to create a negative.
* The calotype negative allows for the creation of multiple paper positive prints, though it lacks the sharp clarity of the daguerreotype.

The student wants to contrast the reproducibility of the daguerreotype and the calotype. Which choice most effectively uses information from the given notes to accomplish this goal?

For years, ecologists studied urban parks primarily as isolated green patches with minimal ecological value compared to undisturbed rural forests. However, recent research by Dr. Elena Vasquez demonstrates that these urban spaces function as vital stepping-stone habitats, facilitating the movement of migratory bird species through fragmented landscapes. By tracking bird flight paths across major metropolitan areas, Vasquez's team revealed that even small, highly manicured municipal parks significantly reduce the energy expenditure of migrating species by providing crucial foraging sites. Consequently, conservation strategies must expand beyond preserving contiguous wilderness to integrate the ecological management of fragmented urban ecosystems.

Which choice best states the main idea of the text?

In cognitive linguistics, the conceptual metaphor theory posits that abstract domains are systematically structured in terms of concrete source domains; for instance, people frequently conceptualize the passage of time as physical movement through space. ______ researchers have observed that social hierarchy is represented using vertical spatial orientation, with higher status mapped to upward positions and lower status mapped to downward positions.

Which choice completes the passage with the most logical transition?

The following sentences describe the historical scientific process of determining the structure and function of DNA. Arrange the sentences in the correct chronological and logical order to form a coherent paragraph.

For decades, psychologists assumed that cognitive fatigue was a direct consequence of energy depletion in the brain, suggesting that high-intensity mental tasks exhaust finite glucose reserves. However, recent neuroimaging studies have challenged this resource-depletion model by demonstrating that brain glucose levels remain relatively stable during prolonged cognitive exertion. In light of these findings, researchers have proposed an alternative, motivational framework. According to this new hypothesis, cognitive fatigue is not a physiological limitation, but rather an adaptive signal that dynamically recalibrates a person's focus toward more rewarding activities, thereby optimizing overall effort allocation.

Which choice best describes the overall structure of the text?

While preparing a presentation on marine ecology, a student takes the following notes:
* Dr. Elena Vance and her team studied juvenile blue crab survival in Chesapeake Bay.
* They compared crab populations in low-density and high-density seagrass habitats.
* The survival rate of juvenile blue crabs was 15% in low-density seagrass and 60% in high-density seagrass.
* Striped bass, a major predator of blue crabs, were found in equal numbers in both types of seagrass habitats.
* High-density seagrass provides dense physical cover that makes it difficult for striped bass to locate and capture juvenile blue crabs.

The student wants to support the claim that higher seagrass density increases juvenile blue crab survival by hindering predators' ability to hunt them. Which choice most effectively uses information from the given notes to support this claim?

For decades, epigraphers studying Mayan hieroglyphs adhered to the view of Sir Eric Thompson, who argued that the script was purely ideographic rather than phonetic. Because of Thompson's immense influence, researchers were widely discouraged from pursuing phonetic analyses of the glyphs. _______ Soviet linguist Yuri Knorozov published a seminal paper in 1952 proposing that the writing system was logo-syllabic, combining logograms with phonetic signs.

Which choice completes the text with the most logical transition?

For centuries, farmers in the Andes mountains cultivated hundreds of varieties of potatoes to ensure crop survival in unpredictable weather. ______ modern industrial agriculture focuses on just a few uniform varieties optimized for high yield, making potato crops far more vulnerable to disease outbreaks.

Which choice completes the passage with the most logical transition?

In the nineteenth century, structural engineers favored wrought iron for its high tensile strength, which allowed it to support heavy loads. ______ they valued the material's resistance to corrosion, which ensured the longevity of exposed bridges.

Which choice completes the passage with the most logical transition?