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【多选题】
机床运行时,下面哪种行为不正确( )A.
用手触摸工件
B.
用手拉扯铁屑
C.
测量工件尺寸
D.
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反馈参考答案：
举一反三
【简答题】按要求做题。 1. I saw him when I came here. He was watching the flowers. (合并为一句) I ______ _______ ________ the flowers when I came here. 2. We haven't decided how we should deal with it. (改为简单句) We haven't ...
【简答题】Do you think grammar is important in English learning?
【简答题】请上传华尔兹单人铜牌组合第1 - 8个三拍的学习视频
【单选题】用高压蒸汽灭菌器进行灭菌,需要达到的温度和时间是 ?
A.
100.3℃，15～30 min
B.
121.3℃，15～30 min
C.
160℃，2小时
D.
221.3℃，15～30 min
【简答题】阅读理解。 The car you buy in the future may be very different from your parents' car. Their car has four wheels, but your car may have two wings (翅膀). New Scientists Magazine says American Aviation Compan...
【单选题】The car manufacturer has ______ 1,000 workers because of the drop in sales.
A.
picked out
B.
gave up
C.
dealt with
D.
laid off
【单选题】What do we know from the talk?
A.
The man has washed the car.
B.
The woman has to wash the car.
C.
The children are washing the car.
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