The most crucial problem any economic s

Freeti2019-12-17 25

问题 The most crucial problem any economic system faces is how to use its scarce resources.

选项 A: puzzlingB: difficultC: terrifyingD: urgent

答案D

解析句意：任何经济体系面临的至关重要的问题是如何使用缺少的资源。crucial“至关紧要的”和urgent“紧急的”含义最接近。puzzling“使迷惑的”; terrifying“使感到恐怖”。

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