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【简答题】
每次试验的成功率为 p (0< p <1), 则在 3 次重复试验中至少失败一次的概率为( ) (A) (1 - p ) 3 (B) 1 - p 3 (C) 3(1 - p ) (D) (1 - p ) 3 + p (1 - p ) 2 + p 2 (1 - p )
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【简答题】老子的代表作是什么？
【单选题】---Youshould have prepared your speech for the meeting, Mr. Smith. ---Yes, I know. But how could I _____ the meeting date fixed so soon.
A.
while
B.
as
C.
after
D.
with
【简答题】You have heard of Webster Toys. Webster has made good, safe, interesting toys for more than 100 years. Now we sell them, and children play with them, in countries from New Zealand to Norway, and from ...
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