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Algebra & Advanced Mathematics question bank (Digital SAT - Mathematics)

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Q1.
[IELTS / TOEFL Academic English - Item #1] Identify the cohesive sentence that accurately signals a contrast while maintaining formal register.

(A)
While preliminary epidemiological trials suggested minimal efficacy, subsequent large-scale longitudinal investigations conclusively demonstrated therapeutic benefit.
(B)
Preliminary epidemiological trials showed little, but anyway big trials showed it worked well.
(C)
Even though preliminary trials suggested minimal efficacy; however, subsequent studies were positive.
(D)
Because preliminary trials were poor, therefore later trials had to be completely different.
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Q2.
[GRE Verbal Reasoning - Item #2] The researcher's presentation was praised for its ________; she managed to distill a century of convoluted scientific dogma into twenty lucid minutes.

(A)
vacillation
(B)
obfuscation
(C)
perspicuity
(D)
prolixity
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