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【判断题】
top executives with all of the above plus knowledge skills and experience of living and working in China is necessary.A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】A common character of the things used for money was that they________.
A.
were difficult to get
B.
had some practical use
C.
were considered valuable by all people
【单选题】一台额定功率为50MW的发电机带一个40MW负荷运转,发电机的调差系数为4%,负荷的单位调节功率为1.5,那么系统的单位调节功率为( )。
A.
32.75
B.
29.75
C.
26.5
D.
23.5
参考解析：
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