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
查看答案
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
检查( ),主要检查拨板、连杆、触发器状态良好,没有零部件的损伤和缺失。
A. 钩腔内部
B. 钩腔外部
C. 钩腔端部