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A clean environment can help the city bid for the Olympics, ________ in turn will promote its economic development.

A.what

B.which

C.that

D.as

 

【答案】

B

【解析】B。考查非限制性定语从句,从句中缺少主语, 引导词应选which。句意是:一个清洁的环境会帮助申请奥运会,这反过来又提升经济发展。

 

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