题目内容

下列条带在视觉表现()更醒目。

A. 红字蓝底
B. 黄字蓝底
C. 绿字蓝底
D. 蓝字蓝底

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The sentence “Match the movie to your understanding” (Para. 4) means that you should.”

A. choose a movie that you can just understand
B. choose a film with a very interesting story
C. understand the movie fully and enjoy it
D. practice your speaking and listening while watching a movie

两列车重连时,通过( )进行定位

A. 凸锥和凹锥
B. 钩舌
C. 锁铁

一端车钩的( )会卡入另一端车钩的钩舌内、自动锁紧,完成机械连接

A. 锁铁
B. 连挂杆
C. 凸锥和凹锥

检修时,打开前舱门,取下锁定销并插入( ),保证前舱门不再转动

A. 自由位置
B. 开锁位置
C. 锁闭位置

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