【判断题】当电客车发生故障时候已申请救援的电客车不准动车。
【单选题】电客车救援作业过程中,救援列车牵引运行限速()。
【单选题】There are many things in different areas ________ we can do to reduce the possible dangers of AIDS.
【单选题】Many of us have a strange sense that we do remember feeling as if we _________in a dream, but can’t quite recall the details.
【判断题】纵向连挂救援时,乘客不用转移到救援列车上,在故障列车载人的情况下,由救援列车将故障列车牵引或推进到就近车站疏散乘客。()
【单选题】There are many things in different areas ________ we can do to reduce the possible dangers of AIDS.