问题
填空题
板带轧机工作辊边部磨损大的主要原因是轧件边部温度低、负荷在边部作用增强及（）。
答案
参考答案：轧件金属横移流动
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板带轧机工作辊边部磨损大的主要原因是轧件边部温度低、负荷在边部作用增强及（）。
参考答案：轧件金属横移流动
| 补全对话，从方框中选择最佳选项完成对话，有两项多余。 A: What's the date today, Sam? B: __1__ A: Oh, tomorrow is mom's birthday. Do you remember? B: I nearly forget it. __2__ Do you have any good ideas? A: __3__ B: Don't you remember we sent her one two years ago? A: Yes, Hmm. What about a wallet then? B: Great! __4__ Let's go shopping together after class. A: OK. I'll wait for you at the school gate at B: Sorry! __5__ Could you please make it half an hour later?
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