问题 填空题

刀片的重叠量也与被剪切的带钢厚度有关,在剪切()厚的镀锡带钢时,刀片的重叠量一般为0.5毫米。

答案

参考答案:小于0.55毫米

阅读理解

阅读理解。

     Mr. Brown is an old man. Every morning he goes for a walk in the park. And he comes home at

twelve thirty for his lunch in the middle of the day.

     But today a car stops at his house at twelve o'clock. Two policemen help him get out. One of them

says to Mr. Brown's daughter, "He can't find his way home in the park and asks us to take him home in

the car."

    The daughter thanks the policemen and they leave. Then she asks her father, "Dad, you go to the

park every day. But today you can't find the way. Why? "

    The old man smiles(美) like a child and says, "I can find my way home. But I don't want to walk

home today. "

1. The old man ______ every day.       

A. takes a walk in the morning        

B. has lunch in the park        

C. asks the policemen to take him home        

D. runs in the park

2. Two policemen take him home in the car, because they think ______.         

A. he is too old         

B. he likes their car        

C. he can't find his way home         

D. he can't walk

3. The old man asks the policemen to take him home in the car, because ______.         

A. he is ill         

B. he is tired         

C. he wants to have lunch at 12 o'clock         

D. his daughter asks him to do that

4. Which of the following sentences is RIGHT?        

A. The daughter will not let her father go to the park again.        

B. The old man is not happy when the policemen take him home in the car.        

C. The policemen know the old man.        

D. The old man comes home earlier (更早) today.

5. What do you think of (认为) the old man?        

A. He's boring.        

B. He's helpless (无助的).       

C. He's clever.        

D. He's dangerous.

单项选择题