【单选题】进站色灯复示信号机采用灯列式机构,显示(),表示进站信号机显示列车经道岔侧向位置接车信号。
【单选题】进站复示信号机显示两个月白色灯光()的意义是表示进站信号机显示列车经道岔侧向位置接车信号
【简答题】根据句意及首字母提示在横线处填上恰当的单词,使句子意思完整,语法正确。 1. No one is allowed to break the rules.n our school. We can only o_______them. 2. Five days has passed, he hasn't r_______to my letter. 3. Work hard, or you can't...
【简答题】くれる あげる もらう 雨で帰れなかったので、昨夜さんからのうちに泊まらせて_____た。
【单选题】进站信号机侧线接车信号开放后,若二黄灯因故灭灯,此时进站信号机显示
【单选题】当办理向侧线接车进路且信号开放后,若2U灯因故灭灯,此时进站信号机显示
【简答题】语法填空 Have a look at a keyboard — either on your computer or on your cellphone — and you'll notice that it isn't set up alphabetically (按字母顺序地).1.________(start) in the upper left corner, you won't see...
【简答题】根据句意完成已给出首字母的单词,使补全后的句子语法正确,意义通顺。 1. He made great p in spoken English. 2. — What's the c like in Africa? — Oh, it's hot and rainy. 3.After entering the WTO, more f will come to our country for busine...