Yang Liwei’s journey into space took him 600,000 kilometres in orbit, around the
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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
试题答案
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。