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精英家教網 > 高中英語 > 題目詳情

Many people believe we are heading for environment disaster    we basically change the way we live.

A. if     B. but    C. unless     D. once

 

C

 

考查連詞。語意:很多人認為我們很可能遭受環境危機,除非我們從根本上來改變生活方式。據此用unless“除非”符合語境,答案選C項。

 

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