更换带刹车刹车块时，要首先将游车斜放在大门跑道上，抬起刹把，

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问题单项选择题

更换带刹车刹车块时，要首先将游车斜放在大门跑道上，抬起刹把，（），卸下前护罩，用撬杠别住辅助刹车牙嵌离合器以防止滚筒转动。

A、停绞车动力

B、启动绞车

C、启动转盘

D、挂合离合器

答案

参考答案：A

句型转换

按要求改写下列句子。

1. My favourites subject is science. ( 就画线部分提问)

_____ _____ your favourite subject?

2. They go home twice a year. ( 就画线部分提问)

_____ _____ do they go home?

3. Peter does his homework every day. ( 改为否定句)

Peter_____ _____ his homework every day.

4. Tom is waiting for a bus. ( 改为一般疑问句)

_____ Tom _____ for a bus?

5. Close the door, please. ( 改为否定句)

_____ _____ the door, please.

判断题

柜员现金箱应在监控范围内单人开锁、加锁。