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问题
单项选择题
运营主管可以兼任营业机构（）角色。
A.三级主管
B.二级主管
C.一级主管
D.柜员
答案
参考答案：A
选择题
____ in a traffic jam, students of a college in India answered their exam papers on the school bus.
A. Having caught
B. Be caught
C. Being caught
D. Caught
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多项选择题
轴流泵按主轴方向可分为( )。
A．横式泵
B．自吸泵
C．立式泵
D．斜式泵
E．卧式泵
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