题目内容

串联单个常开触点使用指令。

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PLC运行时总是ON的特殊标志位是。

下列（）属于双子寻址。

A. QW1
B. V10
C. I0.0
D. VD28

Which of the following is not a correct response to “Excuse me”?

A. Don’t mention it.
B. It doesn’t matter.
C. Never mind.
D. It’snothing.

The English-speaking people would feel _______ when being greeting with “干啥去啊？（what are you going to do?）by the Chinese.

A. normal

B. natural

C. indifferent

D. unhappy