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Difficulty: EasySentence Equivalence: Contextual Synonym Pair Selection

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?

  1. pivotalAnswer
  2. crucialAnswer
  3. C
    esoteric
  4. D
    arcane
  5. E
    novel
  6. F
    historical

Answer

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.

Step-by-Step Solution

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.

Key Concept

Sentence Equivalence: Contextual Synonym Pair Selection
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Sentence Equivalence: Contextual Synonym Pair Selection

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