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【单选题】
下面()情况下,会发生解调门限效应A.
SSB解调
B.
DSB同步检测
C.
FM信号的振幅鉴频解调
D.
VSB同步检测解调
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反馈参考答案：
举一反三
【多选题】11合同一经成立,双方当事人就应当严格遵守合同的约定,依法履行合同规定 的义务。合同履行的原则包括( )
A.
平等原则
B.
自愿原则
C.
全面履行原则
D.
诚实信用原则
E.
公平原则
【单选题】do you of the sports shows? ——They’re interesting.
A.
How; think
B.
How; about
C.
What; like
D.
What; think
【多选题】What serious social problems have been spotted in the text?
A.
education
B.
social welfare
C.
housing problem for the young
D.
women's social status
【单选题】Mr.Columbus was always ready to help others.________，he was liked by everyone.
A.
In conclusion
B.
In return
C.
In turn
D.
In particular
【单选题】Which of the following order of handshaking is true when superiors and females meet?
A.
In business, females are prior .
B.
In social life, rank position are prior
C.
In business, ages are prior
D.
In social life, females are prior
【简答题】Please describe the guide theory of optical fiber.
【简答题】Please tell the story according to the guide map.
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