Since three Chinese astronauts piloted Shenzhou IX to link up with Tiangong-l, China's exploration of outer space has reached new stage．

A．不填；a B．the; a

C．a(chǎn)：the D．不填：不填

 

A

【解析】

試題分析：本題第一空后的名詞out space外太空，是一個抽象名詞，同時也是不可數(shù)名詞，所以單獨使用；第二空在名詞stage前面加a泛指一個新階段。句意：因為中國宇航員成功把神州飛船對接天宮一號，中國的太空探索達到了一個新階段。故A正確。

考點：考查冠詞

 

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