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【单选题】
若描述某年某地呈正态分布的5岁儿童尿铅值的平均水平,最适宜的指标是( )A.
平均数
B.
算术均数
C.
几何均数
D.
中位数
E.
百分位数
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反馈参考答案：
举一反三
【单选题】3 3 ．关于所有者权益，下列说法错误的是( ) 。
A.
．所有者权益是指企业资产扣除负债后由所有者享有的剩余权益
B.
．直接计入资本公积的利得和损失属于所有者权益
C.
．所有者权益应当单独计量，不取决于资产和负债的计量
D.
．所有者权益应当计入资产负债表
【简答题】为了预防和减少仓库火灾,对仓库防火工作必须( ),严格要求,( )。
【单选题】–What do you think of the TV play? --Wonderful. It is worth __ a second time.
A.
watching
B.
watched
C.
seen
D.
seeing
【单选题】Read the following paragraph, and decide what this paragraph is mainly about.I learned that the rewards of my visit to the nursing home are a two-way street. You will be surprised by how much you will...
A.
The author’s dream of working in a nursing home to help others
B.
The author’s specific experience of visiting a nursing home
C.
The author’s reflection on the visit to the nursing home
D.
/
【简答题】为了预防和减少仓库火灾,对( )工作必须高度重视,严格要求,加强管理。
【简答题】已知互感电路如图所示，R 1 =4Ω，R 2 =6Ω，ωL 1 =5.5Ω，ωL 2 =8.5Ω，ωM=3Ω， ，试求电流 。
【简答题】When you receive a job offer, it’s important to take the time to carefully 1) ___________the offer so you are a sensible decision to accept or to reject it. Consider the entire 2) ___________ p...
【单选题】Can we run a tab? 我们可以开单吗?
A.
Sure, I’ll start one for you.
B.
That’ll be 50 yuan, please.
C.
No, we don’t have one.
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