With the successful launch of Tiangong-I, which was ______ breakthrough in space field, China's space dream took a step closer to ______ reality.

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

 

A

【解析】

試題分析:句意:隨著航空領(lǐng)域的一大突破天宮一號的成功發(fā)射,中國的太空夢朝現(xiàn)實更邁進(jìn)了一步。第一空填a,泛指這是一個突破,第二空不填,reality是抽象名詞,選A。

考點:考查冠詞

 

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