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单选题成人英语三级

2017-09-07

In aerospace devices the weight of the necessary power producing equipment is__________．

A．vital

B．possible

C．capable

D．reliable

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参考答案

A

答案解析

【参考译文】在航空航天装置中必要的动力设备的重量问题是至关紧要的。
【答案解析】本题考查形容词辨析。vital，极其重要的；possible，可能的；capable，能够胜任的；reliable，可以依赖的。本句中强调重量的重要性，故选A。

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