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【单选题】
进行n次独立试验，每次试验的成功率为p(0p1)，令X为n次独立试验成功的次数，则P{X=0}=()A.
p^n
B.
(1-p)^n
C.
1-(1-p)^n
D.
1-p^n
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举一反三
【单选题】What do they talk about?
A.
Daniel's financial problems
B.
Daniel's career
C.
Daniel's last vacation
【单选题】A: Some people are pretty dubious about the proposals.
A.
I know. We're going to have to find a way to convince them.
B.
Maybe we shouldn't talk about it.
C.
Yes, that's great.
【简答题】大众健美操的基本步伐根据人体运动时对地面的冲击力分为哪几种?
【单选题】John: ______ talk about at the meeting?
A.
What do they
B.
What will they
C.
What did they
【单选题】What was her nightmare about?
A.
jumping off a tall building
B.
climbing a tall building
C.
falling off a tall building
【简答题】MPEG-4 departs from its predecessors in adopting a new __________ coding: offering higher __________, and MPEG-4 videos can be composed and manipulated by operations on the visual objects.
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