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：這種機(jī)器受用戶歡迎的原因是它會在極端溫度下工作。A. official官方的；B. extreme極端的；C. common普通的；D. natural自然的；由句意可知選B。

考點: 考查形容詞的用法。

 

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