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【多选题】
变量数列中，( )。A.
各组频率大于0
B.
各组频率大于1
C.
各组频率之和等于1
D.
总次数一定时频数与频率成正比
E.
总次数一定时频数与频率成反比
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反馈参考答案：
举一反三
【多选题】出纳签字必须完成下面哪些设置( )?
A.
在“基础设置/会计科目”窗口打开后，银行科目的明细科目辅助设置中要勾选“日记账”与“银行帐”
B.
在“基础设置/会计科目”窗口打开后，要对银行科目的明细科目，执行“编辑”指定“库存现金”科目及“银行存款”科目
C.
在“总账/选项”设置时要授予“出纳签字”权限
D.
在系统管理中指定出纳操作员权限，即勾选“凭证”权限中的“出纳签字”权限及“出纳”权限
【单选题】Where was ____you met with the famous scientist?
A.
it that
B.
it
C.
the place
D.
there
【单选题】It can be inferred from the passage that ______.
A.
Puritan settlers witnessed the witchcraft of American Indians.
B.
frontier refugees couldn't admit their own defeat.
C.
the early European settlers lacked the sense of security.
D.
hundreds of American Indians died of the witchcraft accusation.
【简答题】Settlers found a (plenty) ______ supply of fruit and in the nearby forests.
【简答题】A．residents B．builders C．emigrants D．settlers
【单选题】Everything was placed exactly ______ he wanted it for the graduation ceremony.
A.
while
B.
when
C.
where
D.
though
【单选题】Everything was placed _______ where he wanted it for the party, with which he was very satisfied.
A.
gradually
B.
entirely
C.
officially
D.
exactly
【简答题】Jame's favorite sport is ____________.
【简答题】Where was it placed?
【简答题】The 18-meter-tall Rubber Duck arrived in Beijing on Friday. It was placed on waters in the International Garden Expo Park, where the Yongding River passes through. The Rubber Duck exhibition was desig...
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