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【多选题】
如下各种说法中，哪几项是正确的？（）A.
离心分离因数可以表示离心分离设备的分离能力
B.
离心分离因数是流体的圆周运动速度与直线运动速度之比
C.
离心分离因数是离心沉降速度与重力沉降速度之比
D.
离心分离因数是离心加速度与重力加速度之比
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【单选题】Which of the following is not the purpose of a conclusion in an essay?
A.
Provide more and new information.
B.
Restate the main idea.
C.
Offer a solution, suggest a further study or predict an outcome.
D.
Make a strong lasting impression.
【单选题】Which of the listed functions is the purpose of a gas scrubber in an inert gas generation system ________．
A.
Cools the inert gas
B.
Maintains the oxygen content at 5% by volume
C.
Drains off static electricity in the inert gas
D.
Maintains the water seal on the gas main
【多选题】在采用逐步结转分步法计算产品成本的情况下,各步骤(除第一步骤)某期累计生产耗费总额应包括( )。
A.
上步完工半成品成本
B.
本步完工半成品成本
C.
期末在产品成本
D.
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E.
本期上步骤转入的半成品成本
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A.
lessen the livestock population
B.
give thanks to God
C.
ask God for something
D.
Pay the consequence of sin and in so doing, cleanse the person/people making them right with God.
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