问题 填空题

榫头厚度应根据部件尺寸而定,为保证结合强度,一般单榫厚度为部件宽度或厚度的()左右;双榫厚度应为部件宽度或厚度的()左右。

答案

参考答案:1/2;1/2—1/3

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

单项选择题 B型题