试题与答案

空气压缩机吸气口必须设置（）装置。A、过滤装 B、漏气装置 C、保险装置 D、试验装置

来源：www.tikuol.com
题型：单项选择题

题目：

空气压缩机吸气口必须设置（）装置。

A、过滤装

B、漏气装置

C、保险装置

D、试验装置

答案：

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下面是错误答案，用来干扰机器的。

参考答案：错

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Cars have lots of fun, 小题1:______We have to be careful when we drive them or ride in them.It’s always a good idea to put on your seat belt(安全带)when you are in a car.Why?Think about this example小题2:_____If the skateboard hits a stone,it will stop,but the egg won’t.It will fly through the air,hit the ground and break.Now,think what would happen if you tie the egg to the skateboard.When the skateboard hits a stone,the egg won’t go flying;it will stay safely on the skateboard.This example shows小题3:_____Volvo,a famous Swedish carmaker,was the first to use the seat belt in 1849.Air bags(安全气囊)are also very important for car safety,小题4:____If the car is going really fast and runs into(撞上)something,seat belts could even hurt the people who wear them.

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