问题 问答题 简答题

我国内燃机油按用途不同如何分类?

答案

参考答案:

①按用途不同分汽油机油和柴油机油;

②汽油机油可分为汽车用汽油机油、二冲程汽油机油、航空活塞式汽油机油;

③柴油机油可分为汽车拖拉机以及固定式柴油机油、内燃机车用油、船用柴油机油。

阅读理解

阅读理解。

     It's Jimmy's birthday and he is 9 years old. He gets a lot of presents from his family and one of them is a

big drum (鼓). His grandfather buys it for him.

     Jimmy likes it very much. He plays with it every day and he often makes a terrible noise (可怕的声音). His

father works in the day and Jimmy is in bed when (当…时候) he gets home in the evening. So his father doesn't hear the noise.

     But Mrs. Black doesn't like the noise, so one morning she takes a sharp (锋利的) knife and goes to Jimmy's

room when he hits his drum. She says to him, "Hello! Jimmy. Do you know there is something very nice in your drum? Here is a knife. Please open the drum and let's find it."

1. What presents does Jimmy get on his birthday?

A. He gets only one present from his grandfather.

B. He gets a lot of presents.

C. He gets a knife and a drum.

D. He gets a drum from Mrs Black.

2. Who gives Jimmy a drum?

A. His mother buys it for him.

B. Mrs Black buys it for him.

C. His father's friend buys it for him.

D. His grandfather buys it for him.

3. When his father gets home in the evening, what does Jimmy do? 

A. He hits his drum with his grandfather.

B. He watches TV with Mrs Black.

C. He sleeps in bed.

D. He does his homework with his grandfather.

4. What's the Chinese meaning of "hits" in this passage?

A. 敲击

B. 拿着

C. 知道

D. 看见

5. Mrs. Black gives Jimmy a knife because (因为) _______.

A. she likes Jimmy's drum

B. she knows there is something in the drum

C. she doesn't like the noise

D. she wants to know what is in the drum

单项选择题