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【单选题】
字母R、S、T表示FX系列PLC的输出形式,其中R表示( )。A.
继电器输出
B.
晶体管输出
C.
晶闸管输出
D.
接触器输出
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反馈参考答案：
举一反三
【单选题】Ma Dong didn't write out the right answer, _____. [ ]
A.
neither did I
B.
neither didn't I
C.
I'm too
D.
either I
【简答题】______________ 是相同类型的数据按顺序组成的一种复合数据类型。
【单选题】听力原文：M: Didn't I tell you? I retired on Friday. W: Really! I didn't think you'd be retiring for another five years or so. M: Well. I'll be seventy then, you know. W: Well. I never! I thought you were ...
A.
In his fifties.
B.
In his sixties.
C.
Seventy.
D.
Seventy-five.
【简答题】最安全,经济的营养补给途径是
【简答题】A．warnings B．clues C．symbols D．evidences
【单选题】— I plan to go out for a trip, but I'm afraid I don't know the ______. — A map is helpful, I think. [ ]
A.
price
B.
way
C.
time
【单选题】According to the (literature) in this field, expert (evidences) originally (appeared) in England, and later (got widen used) in the Commonwealth countries.
A.
literature
B.
evidences
C.
appeared
D.
got widen used
【简答题】_____是相同类型的数据按顺序组成的一种引用数据类型。
【单选题】—I’m sorry, but I didn’t mean ____ out your secret. —But you know, letting out secret means ____ one’s feelings.
A.
to let; to hurt
B.
letting; hurting
C.
to let; hurting
D.
letting; to hurt
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