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问题
单项选择题
型钢轧制生产中，上一道次有耳子存在，下一道次就会（）。
A.裂纹
B.扭转
C.折叠
答案
参考答案：C
选择题
— What did the teacher say? I didn't quite follow her.
— She asked us whether we _____ to America the next year.
A. went
B. had been
C. will go
D. would go
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判断题
在信用证支付条件下，可采用对开信用证收取加工费。( )
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