问题 问答题 简答题

总空气过滤器着火后的处理应注意什么?

答案

参考答案:

总空气过滤器一旦发生着火事故,应果断进行如下操作。

(1)关闭总空气过滤器的进气阀及出气阀,使总空内压力放零。

(2)利用直接蒸汽扑灭过滤器活性炭燃烧的火焰。

(3)打开罐盖进行重新填装及检查,打开罐盖后冲水灭火时注意CO中毒。

阅读理解

阅读理解。

     A taxi hit a truck. A policeman spoke to the taxi driver and to the truck driver. He also spoke to Tom. He

was a witness (目击者). This is what they said.

     TRUCK DRIVER: I was driving from the airport to Newton. A car crossed the road, so I slowed down. I

did not stop. A taxi hit the back of my truck. Nobody was seriously hurt but both cars were damaged (受损害).

     TAXI DRIVER: I was driving behind a truck a few kilometers from Newton. The truck stopped suddenly.

The driver did not give me a warning (警告). I was driving very slowly. I could not pass the truck because

there were two cars coming near from Newton. My taxi hit the truck. and some glass cut my left hand.

      TOM: I was watching the traffic about a kilometer from the airport. A truck was going to Newton. It

was not going very quickly. There was a taxi about two hundred meters behind the truck. It was going fast.

When the truck slowed down, the taxi hit it. The taxi driver was not looking at the truck. He was looking out

of the window at something. My friend saw the accident, too. Tom's friend spoke to the policeman and agreed

with Tom.

1. How many people are mentioned (提到) in the story?

A. Three.

B. Four.

C. Five.

D. Six.

2. The truck was hit on the way ________.

A. to the airport

B. to the police station

C. to Newton

D. home

3. From the story, we know _______ didn't tell the truth,

A. the truck driver

B. Tom

C. the taxi driver

D. Tom's friend

4. In fact, Tom's friend was also a ________.

A. witness

B. driver

C. policeman

D. cleaner

5. What's the best title (题目) for this passage?

A. A Taxi Driver

B. A Traffic Accident

C. A Story of Tom

D. A Truck Driver

单项选择题