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【判断题】
采样函数f*(t)的Z变换F(z)与采样点上的采样值有关，当知道F(z)时，便可以求得时间序列 f(kT)，或者，当知道时间序列 f(kT), k=0,1,2,…时，便可求得F(z)。A.
正确
B.
错误
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A.
a news release
B.
lobbying
C.
a press conference
【单选题】听力原文： Publicity is any promotional communication about an organization or its products that is presented by the media but is not paid for by the organization. Publicity usually takes the form. of a ne...
A.
a news release
B.
lobbying
C.
a press conference
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A.
reality
B.
philosophy
C.
creation
D.
method
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【单选题】下列关于发展战略的说法中错误的是（ ）。
A.
企业应当根据发展目标制定战略规划
B.
企业应当在董事会下设立战略委员会，或指定相关机构负责发展战略管理工作，履行相应职责
C.
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D.
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