制动轮表面凹凸不平度达（）mm时应报废。（A）3； （B）1.5； （C）0.8；

补全对话
从方框中选择适当的句子完成下面的对话，并将其序号填在横线上
A: Hey, you look mad. What’s wrong?
B：I．．．I just can’t stand that terrible driver. He is so．．．
A：      小题1:      Oh, would you like something to drink, coffee or cola?
B：Neither. A cup of water is OK.
A：Here you are. (one minute later)       小题2:      
B：Yeah, much better.
A：So what exactly happened to you?
B：Just now I was riding my bike along the road. A car passed me quickly and suddenly stopped one meter away from me. At the same time there was another car coming in the other direction(方向), I had to brake(刹车)hard and then I hit the person on another bike.
A：      小题3:       
B：Luckily no. But we both fell off our bike.
A：       小题4:       
B：No, no. I got angry just because the driver drove off without saying anything.
A：      小题5:        

A: What’s wrong ? B: Please be calm and take it easy. C: That’s really rude. D: I am sorry to hear that. E: That’s why you are so angry. F: Are you better now? G: Did anybody get hurt?