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【简答题】
三相四线制供电系统中，中性线的作用是什么？
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反馈参考答案：
举一反三
【判断题】The basic building block of any communications facility is thetransmission line.
A.
正确
B.
错误
【单选题】若定义变量double a;则正确的输入语句是( )。
A.
scanf("%f",&a);
B.
scanf("%lf",&a);
C.
scanf("%le",a);
D.
scanf("%lf",a);
【单选题】Modern computers are electronic and(66)devices. The basic building block of a modem computer is a(67).
A.
chemical
B.
digital
C.
phisical
D.
anal0g
【单选题】Operational Amplifiers, or Op-amps as they are more commonly called, are one of the basic building blocks of ( ).
A.
Digital Circuits
B.
Analogue Electronic Circuits
C.
Combinational Logic Circuit
D.
None of above
【简答题】行政责任和刑事责任,而侵权人的财产不足以支付的,应先承担( )A. 侵权责任 B 行政责任 C 刑事责任 D 经济责任
【单选题】Which of the following is considered to be the basic building block of social organizations in many of the Western societies?
A.
Folkways
B.
Individuals
C.
Groups
D.
Teams
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