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【简答题】
轨道电路一般由 钢轨 、钢轨绝缘、 、引接线、送电设备、受电设备、轨道继电器等组成。
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皮皮学刷刷变学霸
举一反三
【单选题】(2007年)基于被测参数的变化引起敏感元件的电阻变化，从而检测出被测参数值是一种常用的检测手段，以下测量仪器中不属于此种方法的是( )。
A.
应变式压力传感器
B.
点接点水位计
C.
恒流式热线风速仪
D.
涡街流量传感器
【简答题】什么是假相当位温？
【单选题】Although there are a lot of difficulties on the way of brand development, Chinese enterprises will overcome them and achieve success at the end.
A.
Y
B.
N
C.
NG
【简答题】内部学习动机和外部学习动机的划分标准是（ ）。
【单选题】There are a lot of bikes here. [ ]
A.
electric
B.
electrical
C.
electrician
D.
electricity
【简答题】How many girls are there in your class? A) Yes, there are a lot of girls. B) No, they aren't. C) About 30 girls. D) About 30 boys.
【单选题】What can be inferred from this passage?
A.
There are a lot of people like Ron.
B.
There is few companies in this county.
C.
People in this county do not want to work.
D.
The county is far away from major business center.
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