_______ successful docking of Shenzhou VIII with Tiangong-I means that China has managed to take ________ first important step to establish its own space station.

   A. /; /          B. A; a            C. The, a         D. The; the

 

【答案】

D

【解析】考查冠詞。第一空表示特指神州八號(hào)與天宮一號(hào)的對(duì)接，故用定冠詞the.第二空序數(shù)詞前用定冠詞the，指走出了重要的第一步.故D正確。

 

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