问题 选择题

Yang Liwei’s journey into ____ space took him 600,000 kilometres in ____ orbit, around the earth 14 times, in just over 21 hours.

A.a, an

B.the, an

C.不填,不填

D.the, the

答案

答案:C

考查冠词的用法。句意“杨利伟在太空遨游了600000公里,用时21小时,绕地球14圈。”space前不加冠词,in orbit“在轨道上”。故选C。

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