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【简答题】
设随机变量X的概率密度是: ,且 ,则 =( )。
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【单选题】On no account ______ to anyone who works in the company.
A.
my name must be mentioned
B.
my name must mention
C.
must my name be mentioned
D.
must my name mention
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A.
应激的强烈程度
B.
应激的持续时间
C.
个体的遗传素质
D.
社会和家庭的支持
E.
个体的文化程度
【判断题】As the balance of payments account must be balanced, so must sub-accounts such as the capital account. ( )
A.
正确
B.
错误
【单选题】The seller in an open account must know that in some circumstances he can present open account receivable to a law institution for acceptance.
A.
Right
B.
Wrong
C.
Doesn't say
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