Set 4: Words in Context (Advanced)
Explanation
PASSAGE
The catalyst _____ a reaction that would otherwise proceed imperceptibly slowly.
Which choice completes the text with the most logical and precise word or phrase?
Detailed Answer Explanation
Choice B is the best answer. "Accelerates" is correct because it means "increases the speed of." The context clues in the passage indicate that this meaning best completes the sentence logically.
Why others are wrong: A ("Inhibits" means "hinders or restrains," which doesn't fit the context.), C ("Prevents" means "keeps from happening," which doesn't fit the context.), D ("Reverses" means "makes go in the opposite direction," which doesn't fit the context.).
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