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精英家教網 > 高中英語 > 題目詳情

The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.

A.what

B.which

C.that

D.though

 

【答案】

C

【解析】考查同位語從句。同位語從句That the earth is becoming warmer and warmer these years解釋名詞the fact的內容,that起引導作用,不充當任何成分。

 

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