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【简答题】
一台电动机的铭牌数据如下: 三相异步电动机 型号 Y3-112M-4 联接Y/ △ 功率 4.0kW 电流 8.8A/15.24A 电压 380V/220V 转速 1440r/min 解释铭牌数据。
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反馈参考答案：
举一反三
【简答题】劳动供给曲线为什么向后弯曲?
【简答题】无差异曲线是由左至右向下弯曲的曲线。 （ ）
【单选题】---I hear you’ve won a holiday to New York. ---Yes. And I ________ my daughter.
A.
am taking
B.
take
C.
took
D.
have taken
【简答题】. Singles Day falls on every November 11th, and as the name indicates, this relatively new holiday is one specially for people who are still living the single life. I was a bit surprised when I google...
【单选题】下列域名中表示教育机构的是( )
A.
www.hat.net.cn
B.
www.hit.edu.cn
C.
www.hat.ac.cn
D.
www.hat.com.cn
【简答题】劳动供给曲线为什么向后弯曲?
【单选题】— New Year is at hand. Are you going home for the holiday? — I haven’t made up my mind. I ______go home, but it all depends
A.
must
B.
need
C.
may
D.
will
【单选题】. I’ve got three days’ holiday _______New Year’s Day.
A.
included
B.
includes
C.
include
D.
including
【单选题】I've got three days' holiday, New Year's Day _____ . [ ]
A.
including
B.
included
C.
includes
D.
is included
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