关闭折角塞门发出列车或运行中关闭折角塞门是指：列车（）即算。
A、动车
B、前端越过出站信号机或警冲标
C、出站信号开放
D、运转车长发车
参考答案：B
句型转换（每题2分，共10分）
小题1: I can speak English well.(改为一般疑问句)
_________you_________ English well？
小题2: Nancy plays computer games twice a week. （划线提问）
______ _______ does Nancy play computer games?
小题3: I think this movie isn’t very interesting.(改为同义句)
I ________ _______ this movie ________ very interesting.
小题4:She will finish the work in an hour.(否定句)
She ________ ________ the work in an hour.
小题5:Work hard ,and you will pass the exam.(合并为一句)
_____ you _______ hard， you _______ pass the exam.
干酪性肺炎
