题目内容
【题目】______________ their final medical check, the astronauts boarded their spacecraft.
A.ReceivedB.Being received
C.To receiveD.Having received
【答案】D
【解析】
考查非谓语动词。句意:接受了最后的体检后,宇航员们登上了宇宙飞船。astronauts与receive之间是逻辑上的主谓关系,表示主动,而且体检发生在登上宇宙飞船之前,所以用现在分词的完成式作状语,故D项正确。
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