问题 单项选择题

测定汽油辛烷值时,规定抗爆性极差的()辛烷值为0。

A.正庚烷

B.环已烷

C.环氧乙烷

D.异辛烷

答案

参考答案:A

阅读理解

阅读理解       

        Johnson likes swimming in a small river near his house. But then his father goes to work in a big city

and Johnson goes with his family. Their new house has a garden, but the garden is very small. Johnson is

not very happy. 

       "Is there a river near the house?" he asks his father on the first morning ." No, there isn't . But there is a big park near here. And there's a pool in it.  "We are going there this afternoon." says his father. Johnson is happy. 

       Johnson and his father go to the park in the afternoon. Johnson wants to walk near the pool. But he

sees a sign. His father reads it to him: "Warning(警告) This pool is dangerous.362 people fell(掉) into it.

"Johnson looks into the pool carefully, then he says ,"I can't see them. "

1. There is a _______ near Johnson's new house.

A. small river  

B. big park  

C. big bank  

D. big post office

2. John isn't very happy because __________.

A. There isn't a big park

B. There isn't a river near the new house.

C. his father goes to work in a big city

D. There's a pool.

3. There is a _______ near the pool.

A. sign

B. river

C. garden

D. tree

4. The warning tells people ________ near the pool.

A. to look into it

B. not to go to the park  

C. to be careful

D. not to look into it

5. Which isn't right?

A. There isn't a small river near Johnson's house.

B. Johnson's father gets a new job in a big city.

C. Johnson is afraid to walk near the pool

D. Johnson goes to the big city with his father.

单项选择题