Question

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

Answer 1

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。