Which one(s) of the following questions is (are) taboo(s) for Westerners in their conversations?
A. How are you doing?
B. How much do you make for a living?
C. How old are you?
D. Are you married?
E. What is your religion?
F. Who are you going to vote for?
G. How much do you weigh?
H. What's your name?
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26、调节电桥平衡时,若检流计指针向标有“-”的方向偏转时,说明( )。
A. 通过检流计电流大、应增大比较臂的电阻
B. 通过检流计电流小、应增大比较臂的电阻
C. 通过检流计电流小、应减小比较臂的电阻
D. 通过检流计电流大、应减小比较臂的电阻
23、一般三端集成稳压电路工作时,要求输入电压比输出电压至少高( )V。
A. 2
B. 3
C. 4
D. 1.5
27、熔断器的额定分段能力必须大于电路中可能出现的最大( )。
A. 短路电流
B. 工作电流
C. 过载电流
D. 启动电流
24、把垂直穿过磁场中某一截面的磁力线条叫做( )。
A. 磁通或磁通量
B. 磁感应强度
C. 磁导率
D. 磁场强度
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