10

Set 1: Words in Context

Explanation

Answer: C

PASSAGE

While some plants require constant watering, the cactus is able to ______ in arid environments by storing water in its thick stems.

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

A. wither
B. decay
C. flourish✓ Correct
D. struggle

Detailed Explanation

The text contrasts plants that need water with the cactus that can survive and grow well ('store water') in dry places. 'Flourish' means to grow or develop in a healthy or vigorous way.

Key Evidence:

• "able to ... in arid environments"

• "storing water"

Why others are wrong: A (Wither means to become dry and shriveled, which is what the cactus avoids.), B (Decay means to rot or decompose.), D (Struggle implies difficulty, but the text suggests the cactus is adapted ('able to') for this environment.).

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