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精英家教網 > 高中英語 > 題目詳情

_________ is known to us all is that the 2008 Olympic Games will take place in Beijing.


  1. A.
    It
  2. B.
    What
  3. C.
    As
  4. D.
    Which
B
解析:
本題考查復合句。句意為:眾所周知,2008年奧運會在北京舉行。What引導主語從句的同時又作主語從句的主語,具有雙重功能;
It作形式主語時必須把后面的is去掉,as作為關系代詞時也要把后面的is去掉并改為逗號,which不能放在句首。因此答案選B。本題干擾選項為A、C兩項,難度較大。
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