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【简答题】
一枚硬币连续掷 2 次,求: ( 1 )写出它的基本事件空间; ( 2 )有一次正面的概率是多少?
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反馈参考答案：
举一反三
【单选题】What great achievements have been made since mid 1970s?
A.
Many activists have established lots of local groups to help the beaten women.
B.
Plenty of temporary homes for the victims and their children have been set up.
C.
The police and the courts now treat this problem with more serious attitude.
D.
All of the above.
【简答题】【T16】 A. TEND TO B. CONSIDERED C. ARISE D. THINK OF A. IT MY BE【T13】______ FOOLISH B. MISUNDERSTANDINGS【T14】______ BETWEEN PEOPLE FROM CULTURES C. NO ONE WOULD【T15】______ KEEPING A BUSINESS FRIEND D. ...
【单选题】It ______ my mind that the store would be closed at five o'clock.
A.
Bear
B.
brought
C.
changed
D.
cross
E.
keep
F.
put
G.
set
H.
speak
I.
take
J.
made up
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