The space suits can be adjusted so that the team can reproduce different levels of gravity as if they________in space.

A.a(chǎn)re B.has been

C.were D.had been

 

C

【解析】考查虛擬語氣以及as if的用法。根據(jù)句中的can be adjusted,知這些隊員現(xiàn)在還沒在太空,是一個與現(xiàn)在事實相反的虛擬語氣,故用were。句意為:這些太空服可以調(diào)節(jié)以便隊員們能模仿不同級別的引力,好像他們在太空似的。

答案: C

 

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