采用机车运输时,在新建和改扩建的大型矿井井底车场和运输大巷,应设置()系统。
A.信号集中闭塞
B.道岔密贴指示器
C.岔位指示器
D.弯道声光报警器
参考答案:A
小题1:Do the umbrellas belong to those _____________(邮递员)?
小题2:I introduced Lucy to Mike and now they’re _____________(已婚的).
小题3:Is the wooden house hidden _____________trees? (在……中)
小题4:The charity walk becomes even __________ because you have to finish walking a 100-kilometre trail within 40 hours.(艰难的)
小题5:They discussed for a long time, at last they reached an ____________. (协议)
小题6:_________ (luck), he didn’t catch the last bus back home. He had to walk.
小题7:Tough the cartoon _____________ (it) was not interesting, it still attracted many kids.
小题8:None of my classmates can swim _____________ (far) than I can.
小题9:Every time you answer a question __________ (correct), you will lose a point.
小题10: Computers were one of the greatest __________ (invent) in the last century.
下列国家在资产阶级革命或改革中,均使大量农民获得了土地的有:()
①俄国
②日本
③法国
④美国
A.①②
B.①②③
C.①③④
D.①②③④