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【单选题】
对于一面增益为15dBd的天线,其增益折算成单位dBi时,为( )dBi。A.
13.15
B.
15.15
C.
17.15
D.
19.15
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【简答题】员享有哪些权利？
【单选题】We know from Paragraph 2 that Facebook didn’t gain in stant popularity in Japan because of_______．
A.
fierce competition from business rivals
B.
Japanese sticking to old internet norms
C.
legal concerns over privacy protection
D.
a tradition of using internet anonymously
【单选题】如果两个人的Holland兴趣代码相同,说明:
A.
这两个人有相似的行为倾向
B.
要根据其它因素再做分析
C.
说明测评工具区分度低
D.
就无法参考Holland代码了
【简答题】L-R-C串联电路如图所示。假设作用在输入端的电压为e i (t)=E i sinωt。试求通过电阻R的稳态电流i(t)。
【简答题】使结构产生内力或变形的原因成为“作用”,作用分为直接作用和( )。
【单选题】How did the police gain access to Melvin Colons Facebook profile?
A.
He himself carelessly made his online information public.
B.
One of his Facebook friends cooperated with the police.
C.
The judge granted warrant of using his private information.
D.
Facebook made a deal with the police about its users' privacy level.
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