10

Set 2: Words in Context (Intermediate)

Explanation

Answer: B

PASSAGE

Researchers found that while short-term stress can be motivating, chronic stress is ______ to cognitive performance, impairing memory and decision-making.

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

A. beneficial
B. detrimental✓ Correct
C. irrelevant
D. conducive

Detailed Explanation

The text says chronic stress 'impairs' functions. 'Detrimental' means tending to cause harm.

Key Evidence:

• "impairing memory"

• "chronic stress"

Why others are wrong: A (Beneficial means helpful.), C (Irrelevant means not connected.), D (Conducive means making a certain situation likely or possible, usually positive.).

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