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精英家教網 > 高中英語 > 題目詳情
The space suits can be adjusted so that the team can reproduce different levels of gravity as if they________in space.
A．are　B．has been
C．were　D．had been
C
考查虛擬語氣以及as if的用法。根據句中的can be adjusted，知這些隊員現在還沒在太空，是一個與現在事實相反的虛擬語氣，故用were。句意為：這些太空服可以調節(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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