表示率的抽样误差大小的统计指标是A.标准差 B.标准化率 C.方差 D.变异系数 E

题型:单项选择题

问题:

表示率的抽样误差大小的统计指标是

A.标准差

B.标准化率

C.方差

D.变异系数

E.率的标准误

考点:公卫执业医师公卫执业医师54
题型:单项选择题

城市高架道路两侧的透明城墙是在______减弱噪声的方法.

题型:单项选择题

不属于城市规划术语的是()。

A.城市红线

B.城市绿线

C.城市紫线

D.城市黄线

题型:单项选择题

Zhang:  Hi, Amy. How are you?

Amy:   Hi, Zhang. I'm glad to see you.

Zhang:  Me too. My friend Mary said you had 小题1:___________ ill for a few days. Are you OK?

Amy:    I am feeling well now. Thanks. But today I was very upset.

Zhang: Why? What小题2:___________ to you?

Amy:    First of all, my alarm clock didn’t go off this morning. So I was late at the bus stop. The bus had already left 小题3:____________ I got there. Then I had to walk to school.

Zhang: That's a long walk.

Amy:    Yeah. And then it started 小题4:__          and I'd forgotten my umbrella.

Zhang: Oh no! Did you get wet?

Amy:    Yes, I was late and wet. You know we will have a physics test tomorrow but I missed the class.

Zhang: I am sorry to hear that. You did have a bad day. But I am sure you will get good

小题5:___________ in the physics test. You are always good at it.

Amy:    Thanks. I will try my best.

题型:单项选择题

小强买来8瓶饮料记作+8瓶,那么喝了5瓶可记作______.

题型:单项选择题

市人李某因在乙市一酒吧涉嫌故意伤害罪(轻伤)被乙市公安机关决定刑事拘留,公安机关发布通缉令后将其抓获,下列说法正确的有()

A、李某被抓获后,乙市公安机关对其变更强制措施为取保候审,并责令其不得进入酒吧

B、乙市公安局可以在自己的辖区内直接发布通缉令

C、李某对轻伤害的鉴定意见有异议,人民法院认为鉴定人有必要出庭的,鉴定人应当出庭作证

D、乙市公安机关通过全国公安机关跨区域办案协作平台请求甲市公安机关调取李某户籍证明的,应当在七日内办结并回复

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