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【简答题】
分别求下列各周期信号的周期T:
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参考答案:
参考解析:
知识点:
.
..
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举一反三
【多选题】若月利率为1%,每月计息一次,则年名义利率为 [填空(1)] ,年实际利率为 [填空(2)] 。
A.
12%
B.
12.7%
【单选题】若年名义利率为12%,每月计息一次,则计息周期有效利率为( )。 背景材料中,该项目材料甲的材料费为( )元。
A.
215130.6
B.
200000
C.
209130.6
D.
202950.6
【单选题】How can people improve their spoken English?
A.
Keep a list of English expressions.
B.
Share their English learning experience.
C.
Join English clubs to make many friends.
D.
Sing American songs and read the words.
【单选题】How many people are going to join in the next Buy Nothing Day.
A.
More than one million  people in at least 65 countries.
B.
Ten million people in America.
C.
Less than one million people around the world
【单选题】若年名义利率为12%,每月计息一次,则年有效利率为( )。
A.
1%
B.
3%
C.
12%
D.
12.68%
【单选题】How can people improve their spoken English?
A.
Keep a list of English expressions.
B.
Share their English learning experience.
C.
Sing American songs and read the words.
D.
Join English clubs to make many friends.
【单选题】若年名义利率为12%, 每月计息一次,则计息周期有效利率为( )。
A.
1%
B.
3%
C.
12%
D.
12.68%
【单选题】下列不属于队列研究与实验性研究的相同点的是
A.
均需给予人为的干预措施
B.
均需设立对照组
C.
均是由因及果的研究方法
D.
均可能产生失访偏倚
E.
花费较大
【单选题】How can people improve their spoken English?
A.
Keep a list of English expressions.
B.
Share their English learning experience.
C.
Join English clubs to make many friends.
D.
Sing American songs and read the words.
【单选题】Q: How many people are likely to join this year’s City Marathon?
A.
215
B.
250
C.
430
D.
500.
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