The Japanese used to ______ ten million tons of coal each year.A、extractB、contr

游客2024-05-21  8

问题 The Japanese used to ______ ten million tons of coal each year.

选项 A、extract
B、contract
C、subtract
D、constrain

答案 A

解析 动词辨义。这四个选项的词性都是动词,其中extract表示“提取;榨出;蒸馏出”;contract是指“使缩短,感染,订约”;subtract表示“(常与from连用)减去;扣除”,如:If you subtract 3 from 5,you get 2.(五减去三就得二。)constrain表示“强迫,抑制,拘束”,根据句意,应该选择A)。
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