The supply of copper in the mines had_____, causing great concerns among the people of the town.

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问题 The supply of copper in the mines had_____, causing great concerns among the people of the town.

选项 A、increased
B、diminished
C、extended
D、devalued

答案B

解析 词汇题。这是一道词义辨析题。diminish意为“缩小,变小,减少”可以用作及物动词也可以用作不及物动词;increase表示“增加,增大,增多”;extend表示“扩充,延伸,伸展”,主要是指长度上的延伸伸展;devalue表示“使贬值,降低……的价值”。
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