2

Set 1: Words in Context (Advanced)

Explanation

Answer: D

PASSAGE

The quantum phenomenon _____ classical mechanical explanations, necessitating entirely new theoretical frameworks.

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

A. exemplifies
B. simplifies
C. confirms
D. defies✓ Correct

Detailed Answer Explanation

Choice D is the best answer. "Defies" is correct because it means "resists or is beyond the power of." The context clues in the passage indicate that this meaning best completes the sentence logically.

Why others are wrong: A ("Exemplifies" means "serves as an example of," which doesn't fit the context.), B ("Simplifies" means "makes easier to understand," which doesn't fit the context.), C ("Confirms" means "establishes the truth of," which doesn't fit the context.).