The most crucial problem any economic system faces is how to use its scarce resources.A:puzzling B:difficultC:terrifying D:urgent
The most crucial problem any economic system faces is how to use its scarce resources.
A:puzzling
B:difficult
C:terrifying
D:urgent
B:difficult
C:terrifying
D:urgent
参考解析
解析：本句话的意思：任何经济体系所面临的最至关紧要的问题是如何使用稀缺的资源。crucial“至关紧要的”和urgent“紧急的”含义最接近。puzzling意为“（使）迷惑的，（使）为难的”。terrifying意为“使感到恐怖的”。
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