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【判断题】
所有的离散信号都是数字信号A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】听力原文：M: You know, if you stayed on a few extra days, you'd see the grand festival. W: Oh, yes, that's well worth seeing. Some friends of ours saw it last year. Q: What does the man mean? (17)
A.
The festival is not worth seeing.
B.
He would stay on to see the festival.
C.
Some of his friends missed the festival last year.
D.
The woman will miss the festival unless she stays on.
【简答题】丝锥是加工的（）工具，有手用丝锥和机用丝锥。
【简答题】C语言提供的三种逻辑运算符是 &&、||、! ,其中优先级最高的为【1】。
【简答题】我们所用WORD、EXCEL均属于 软件。
【简答题】A: Where didi you go on vocation? B: Is it a girl or a boy? C: Did your parents go there with you? D: What does she look like? E: What are you doing? A: Hi, Julia!_____6___________ B: Hi, Tom!I a...
【简答题】_______2._______3._______4.________5.________6.________7._______8._______9._________10._________ 1)A. Work in New York B. become a teacher. C. go back to school D. m...
【单选题】Which one is used as an expression in the pre-closing part in an e-mail?
A.
Yours sincerely
B.
I look forward to hearing from you.
C.
We would like to place a trial order.
D.
Dear Tom
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