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【简答题】
模拟信号的基本特点是时间和幅值均(___),数字信号的基本特点是时间和幅值均(___)。
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反馈参考答案：
举一反三
【单选题】'What's in your hand?''It is a ______ bill.'
A.
two-thousand dollar
B.
two thousand dollars
C.
two-thousand-dollar
D.
two-thousand-dollars
【单选题】现在有一电子商务客户刚刚拿到风投欲构建信息化机房，目前计划采购1U服务器做前端接入层和2U服务器做中间件及应用层。采购规模在1000台左右，客户非常关心机房的电费支出，请你根据联想产品情况推荐合适的软件？（）
A.
SmartGrid
B.
FWupdater
C.
EasyStartup
D.
EasyManage
【单选题】- What do we need to buy? - _______.
A.
Two kilos of tomatoes and two packets of salts
B.
Two kilos of tomatoes and two packet of salt
C.
Two kiloes of tomatos and two packets of salt
D.
Two kilos of tomatoes and two packets of salt
【简答题】_______ puzzles me most is that I don’t know _______ the difference between those two lies. A．What; that B．It; that C．What; where D．It; where
【单选题】以下程序的输出结果为( )。 #include void main() { int a=30; printf("%d",(a/3>0)?a/10:a%3); }
A.
0
B.
1
C.
10
D.
3
【单选题】the example of Carr is used by the author to indicate that
A.
there are many stories to be told
B.
we are all historians in a sense
C.
history dominates us
D.
we should use our history to our advantage
【单选题】— 15 plus 7? —It's . [ ]
A.
what, twenty-two
B.
What's, twenty-two
C.
How is, twenty-two
【单选题】To know what is good and______________are two different things.
A.
doing what is right
B.
to do what is right
C.
did what was right
D.
to do what was right
【单选题】以下程序的输出结果为（ ）。#includevoid main(){ int a=30;printf("%d",(a/3>0)?a/10:a%3);}
A.
0
B.
1
C.
3
D.
10
【单选题】以下程序的输出结果为( )。 #include void main() { int a=30; printf("%d",(a/3>0)?a/10:a%3); }
A.
1
B.
0
C.
10
D.
3
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