9

Set 8: Words in Context (Intermediate)

Explanation

Answer: B

PASSAGE

The ecosystem is delicately balanced; the introduction of an invasive predator can ______ the entire food web, causing the extinction of native species.

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

A. ignore
B. disrupt✓ Correct
C. enhance
D. stabilize

Detailed Answer Explanation

This question asks for the meaning of a word as used in this specific context. Invasive predators cause problems like extinction. 'Disrupt' means to interrupt (an event, activity, or process) by causing a disturbance or problem. Words can have multiple meanings, and context determines which meaning applies. Read the surrounding sentences carefully. Substitute each answer choice to see which maintains the intended meaning and fits the context. Many vocabulary words have multiple dictionary definitions, but only one fits the context. Use the surrounding sentences as clues. Try substituting each answer choice to see which one preserves the author's intended meaning without changing the sentence's message.

Key Evidence:

• "causing the extinction"

• "invasive predator"

Why others are wrong: C (Enhance means to improve.), D (Stabilize implies making steady, the opposite of disruption.), A (Ignore implies no effect.).

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