As a result of the crisis, the government is urging people to be______with energy.

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问题 As a result of the crisis, the government is urging people to be______with energy.

选项 A、economical
B、economy
C、economic
D、economics

答案A

解析 该题是词汇题,考查同词根词汇的辨析。四个选项的词根是economy。选项A是形容词,主要意思是“节俭的、节省的”,如:My new car is economical of fuel.我的新汽车节省燃料。选项C也是形容词,主要意思是“经济(上)的、经济学的”,如:an economic blockade经济封锁。选项D是名词,意思是“经济学”。因此,根据题意,选项A为最佳答案。
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