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【多选题】
评价中心的特点有哪些?A.
情景模拟性
B.
预测性
C.
综合性
D.
可靠性
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举一反三
【单选题】It can be inferred from the passage that it is of vital importance that ______.
A.
one makes money by selling his personal data
B.
one conceals his identity when using the Internet
C.
one keeps his personal information at the office
D.
one goes online as often as he can
【简答题】11.设随机变量 X 服从指数分布，其概率密度为 ，求：(1) λ ；(2) P { X ≥4}；(3) P {0< X ≤8}；(4) X 的分布函数 F ( x )。
【单选题】It is vital that he___to the new environment as soon as possible.
A.
adapt
B.
adapts
C.
must adapt
D.
adopts
【简答题】听力原文：The trouble is that when things seem to go wrong, it may be too late to fix them, because you actually built the problem in from the start. It's vital that each member of the team knows exactly w...
【简答题】It is vital that he _______(go) immediately.
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