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【题目】Increase the temperature of the gas and the gas will tend to __________.

A. expand B. spread

C. stretch D. extend

【答案】A

【解析】句意:如果把气体升温,气体将会膨胀。expand扩大,扩张,扩展;膨胀;spread展开;散布;stretch 伸展,延伸,张开;extend扩充,延伸,伸展,扩展。

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