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【简答题】
Replace the underlined part in each of the following sentences with a word or phrase from the box below. Write your answer in the brackets. Change the form where necessary. A. in use B.overall C. consist of D.haul E.toss F. go out All electronic computers are made up of four basic units although they may be of different kinds. ( ) The moment I saw it clearly for what it was — a dead fish — I threw it away immediately. ( ) True, the furnishings are dated (陈旧的) but in general , the hotel is very clean and the staff very friendly. ( ) They had little difficulty in hooking the fish, but pulling it out of the water proved to be a big problem. ( ) They built a fireplace to heat the small flat, but there were nights when the fire stopped burning and they shivered under the blanket. ( ) The pot you saw had been in service for four years and showed very little wear (磨损,用旧). ( )
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举一反三
【单选题】以下食物中钙的最好来源是( )
A.
B.
C.
D.
【单选题】(   )不是车身的结构性部件。
A.
前立柱
B.
后纵梁
C.
后侧围板
D.
雨刮
【判断题】区别加法计数和减法计数的主要依据是计数过程中计数器所代表数字的增减情况。
A.
正确
B.
错误
【单选题】γ计数器探测射线的依据是
A.
电离作用
B.
荧光现象
C.
感光效应
D.
康普顿散射
E.
光电效应
【判断题】833世界上产权制度创新的主要趋势是将过去单一型的产体转变为建立多元化的企业产权主体。
A.
正确
B.
错误
【单选题】飞控系统是无人机的()。
A.
身体
B.
大脑
C.
双手
D.
翅膀
【单选题】静压系统主要就是使主轴或工作台受到的外载变化时,自动调压,使之始终处( )状态。
A.
正常
B.
稳定运行 B、油膜受载增大
C.
油膜受载减小
【单选题】以下不属于无人机飞机系统的是:()。
A.
导航系统
B.
飞控系统
C.
推进系统
D.
武器系统
【单选题】静压系统主要就是使主轴或工作台受到的外载变化时,自动调压,使之始终处于( )状态。
A.
正常
B.
稳定运行
C.
油膜受载增大
D.
油膜受载减小
【单选题】关节的辅助结构有
A.
关节软骨
B.
关节面
C.
关节窝
D.
关节囊
E.
韧带
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