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【简答题】
描述数据集中趋势的常用测度值主要有________、________、________和________等,其中最重要的是________;描述数据离散程度的常用测度值主要有________、________、________、________ 等,其中最重要的是________、________。
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参考答案:
举一反三
【单选题】Tom likes doing things with his family. He’s learned much from ___ His family help him a lot.
A.
it
B.
them
C.
he
D.
they
【简答题】市场上,面值 100元的2年期和4年期的零息债券的市场价格分别为98元和86元。要求:(1)计算2年期零息债券的到期收益率;(2)如果按4:6比例将2年期和4年期的零息债券构建一组合,计算该组合的久期。
【单选题】原核生物催化填补复制和修复中出现空缺的酶是
A.
DNA-polⅠ
B.
DNA-polⅡ
C.
DNA-polⅢ
D.
DNA-polγ
E.
DNA-polδ
【简答题】短期绩效奖励计划有哪些类型?各自的基本内容和特点是什么?
【单选题】引起幼儿牙釉质发育不良并黄染的药物是
A.
红霉素
B.
林可霉素
C.
四环素
D.
青霉素
【单选题】可引起幼儿牙釉质发育不良并黄染的药物
A.
红霉素
B.
四环素
C.
青霉素
D.
林可霉素
E.
多粘菌素E
【单选题】His family all very kind and friendly, His family a happy one.
A.
are, is
B.
is, is
C.
are, are
D.
is, are
【单选题】A) He loses his family because he worked too hard. B) He loses his work because of his family. C) He is not regretful for what he did. D) He doesn’t get on well with his family because he worked too h...
A.
He loses his family because he worked too hard.
B.
He loses his work because of his family.
C.
He is not regretful for what he did.
D.
He doesn’t get on well with his family because he worked too hard.
【多选题】按目的划分的奖励旅游类型有哪些?
A.
参与型
B.
慰问型
C.
商务型
D.
团队建设型
【单选题】可引起幼儿牙釉质发育不良并黄染的药物
A.
红霉素
B.
四环素
C.
青霉素
D.
林可霉素
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