三显示自动闭塞区段的连续式机车信号机显示(),要求列车注意运行,表示列车接近的地面信

题型:单项选择题

问题:

三显示自动闭塞区段的连续式机车信号机显示(),要求列车注意运行,表示列车接近的地面信号机显示一个黄色灯光,或相应的其他显示。

A、一个绿色灯光

B、一个黄色灯光

C、一个半绿半黄色灯光

D、一个带“2”字的黄色闪光

考点:电力机车司机考试高级电力机车司机高级电力机车司机题库
题型:单项选择题

If you usually take the school bus or sometimes need to take public buses to school, there are some important rules you should know.

·When you are waiting for the bus, you should wait at the bus stop, and stand well back.

·When you get off the bus, make sure you and the driver can see each other, and wait for the driver to signal you before you cross the road in front of the bus.

·Never go back for anything you may leave on the bus when it is starting.

·Never bend down near the bus when you walk to or from the bus stop.

·You should cross the street at a crosswalk or a street corner, and wait for the light to turn green or for the WALK crossing signal.

·It is important to look carefully to the left, the right and the left again when you cross the street.

·Remember that it is dangerous to stay in the areas around buses where the driver can’t see you. Don’t run between parked cars or buses.

·Do not run across the street or through parking areas to catch up with your friends.

小题1:When you are waiting for the bus, you should wait   .

A.at the bus stop

B.on the street

C.at a crosswalk

D.a street corner小题2:It is important to     when you cross the street.

A.run quickly     

B.wait for the light to turn green

C.look carefully to the left

D.look carefully to the right小题3:If you walk to or from the bus stop, you mustn’t        .

A.bend down on the bus

B.cross the street at a crosswalk or a street corner

C.bend down near the bus

D.look carefully to the left, the right and the left again小题4:This passage is mainly about       .

A.safety rules for students by bus

B.safety rules for drivers

C.safety rules for children by train

D.how to cross the street

题型:单项选择题

苏格拉底法又称为()。

A.问答法

B.发现法

C.讲授法

D.雄辩术

题型:单项选择题

肾综合征出血热发生出血的主要原因是()

A.血小板减少和功能异常

B.血管壁损伤

C.凝血因子合成障碍

D.肝素类物质增加

E.DIC导致凝血机制异常

题型:单项选择题

对于珍珠岩培,如何进行设施清理、消毒与基质再利用?

题型:单项选择题

网络总体响应速度小于()ms。

A.40

B.50

C.60

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