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【单选题】
加工中心按照主轴在加工时的空间位置分类，可分为（）和万能加工中心。A.
镗铣、钻削
B.
卧式加工中心
C.
钻削
D.
立式、卧式
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反馈参考答案：
举一反三
【判断题】If a welder knows nothing about stress and strain, his welding job would always fail.
A.
正确
B.
错误
【单选题】------ Who knows the meaning of the saying “ Time __________ will tell.” ------ __________ Tom knows.
A.
only, Alone
B.
alone, Only
C.
lonely, Merely
D.
alone, Alone
【单选题】. --- Could you fetch me my glasses from the kitchen? ---__________.
A.
It’s a pleasure
B.
At your service
C.
It doesn’t matter
D.
That’s my pleasure
【简答题】welder____
【单选题】—Could you fetch me my glasses from the study? — ________.
A.
Sure, no problem.
B.
I'm afraid not.
C.
That's impossible.
D.
It doesn't matter.
【单选题】—Could you fetch me my glasses from the study? — ▲ .
A.
I’m afraid not.
B.
Sure, no problem.
C.
It doesn’t matter.
D.
That’s impossible.
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