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问题 单项选择题

我国国产道岔岔枕M30螺栓标称扭矩为（）

A.300-350N▪m

B.350-400N▪m

C.400-450N▪m

D.450-500N▪m

答案

参考答案：A

补全对话，情景问答
给下列的问句选择答语。
( ) 1. What's your name? 
( ) 2. What do you see?  
( ) 3. Where are you?    
( ) 4. Where are you from?
( ) 5. Thank you.         		A. I am from China.
B. My name is Jenny.
C. You are welcome.
D. I see your nose.                                                                              
E. I am at home    
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补全对话，情景问答
从方框中选择适当的句子补全对话。
A. What's the matter?
B. When did it start?
C. That's a good idea.
D. I hope you will feel better soon.
E. I have a fever.
F. Oh, that's too bad.
A: You look tired.   1   
B: I am not feeling well.    2   
A:    3     
B : Yesterday moming.
A:     4    Did you go to see a doctor?
B: Yes, I did. The doctor gave me some medicine.
A:    5    
B: Thank you.
1._____ 2._____ 3._____ 4._____ 5._____
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