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The reason why this kind of machine is popular with users is that it will work in ______ temperature.

A. official B. extreme C. common D. natural

 

B

【解析】句意:这种机器受用户欢迎的原因是它会在极端温度下工作。A. official官方的;B. extreme极端的;C. common普通的;D. natural自然的;由句意可知选B。

考点: 考查形容词的用法。

 

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