In aerospace devices the weight of the necessary power producing equi-考呗网题库移动版

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

A．vital
B．possible
C．capable
D．reliable

参考答案A

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。

单选题The man and the horse __________ fell into the river were drowned．

A．Which
B．who
C．that
D．of which

单选题 He must have been late for the conference yesterday, __________ ?

A．didn't he
B．haven't he
C．mustn't he
D．wasn't he

单选题 __________ the number of cars,he thought,there were not many people at the club yet．

A．To judge from
B．Judging from
C．Judged from
D．Judge from