问题 单项选择题

青蛙从深16米的水池向上跳,每天白天跳上7米,夜间又下滑4米,问这只青蛙几天可以跳出水池( )

A.6

B.5

C.4

D.3

答案

参考答案:C

解析:由题知,白天跳上7米,夜间下滑4米,实际每天上升3米,这样在3天的时间,它将上升9米,然后第四天白天跳上7米,正好16米,跳出井去了,所以选C。

阅读理解

阅读理解。

     When Mr. Jones went to a restaurant near the city center one day, he left his coat near the door.

At that time there were many people having lunch in it .There was nothing in the pocket of the coat

when he left it .But after lunch, he was surprised when he took his coat. He found his pocket was full

of jewelry (珠宝).

     There was a man near the door, he thought he was a waiter, so Mr. Jones said to him, "Somebody

has made a mistake. He put some jewelry in my coat. Take it and when he comes back, give it to him."

The waiter took it and went away. After a while, a fat man came in with another coat just like Mr. Jones'. 

      "I'm sorry," said the man. "I made a mistake. I took your coat and you got mine. Please give me my

coat and the jewelry." Mr. Jones answered, "I gave the jewelry to the waiter. He'll give it to you."

      Then Mr. Jones called the boss of the restaurant, but the boss said, "We have no waiter here. We

only have waitresses."

     "You gave it to a thief! shouted the fat man. "I'll call the police!"

     Mr. Jones was very frightened (害怕) and paid the man lots of money for the jewelry.

1. What did Mr. Jones go to the restaurant to do?

A. To have breakfast            

B. To have lunch  

C. To put his clothes near the door  

D. To meet a fat man

2. Mr. Jones felt ______when he found there was much jewelry in his pocket.

A. angry  

B. excited  

C. frightened  

D. surprised

3. How did Mr. Jones deal with the jewelry?

A. He hid it in his own pocket.  

B. He gave it to the fat man.

C. He gave it to a waitress who in fact was a thief.  

D. He gave it to a man who he thought was a waiter.

4.______ got the jewelry at last?

A. The boss of the restaurant  

B. The waitress

C. A thief                

D. The fat man

填空题