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【单选题】
在线切割加工中,加工穿丝的目的是( )。A.
保障零件的完整性
B.
减小零件在切割中的变形
C.
容易找到加工起点
D.
提高加工速度
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反馈参考答案：
举一反三
【简答题】tin; wad; pile a ______ of assorted biscuits
【单选题】流动比率，也称营运资金比率，计算公式为( )。
A.
流动比率=流动资产÷流动负债
B.
流动比率=流动负债÷流动资产
C.
流动比率=流动资产÷总资产
D.
流动比率=速动资产÷流动负债
【单选题】He had been getting better, but during the night his condition deteriorated. What might the underlined word mean?
A.
getting better
B.
getting worse
C.
remaining the same
D.
none of the above
【简答题】tin; wad; pile He pulled a ______ of 10 notes out of his pocket.
【单选题】He had been getting better but during the night his condition deteriorated .
A.
became better
B.
got worse
C.
stayed the same
D.
did not change
【单选题】He had been getting better but during the night his condition deteriorated .
A.
变好
B.
恶化
C.
改变
D.
上升
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