某地居民每两年检查身体一次,检查结果如下:有感染区:体检人数50人,新发生某病人数1

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问题:

某地居民每两年检查身体一次,检查结果如下:有感染区:体检人数50人,新发生某病人数10人;未感染区:体检人数200人,新发生某病人数10人,则有感染区该病年发病率为

A.20%

B.10%

C.5%

D.2.5%

E.1%

考点:卫生资格考试(中初级)全科医学主治医师医学统计方法(二)
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患者.女性,75岁,无牙颌,上颌弓明显大于下颌弓,上颌前突明显,上颌牙槽嵴丰满宽大,下颌牙槽嵴窄小。

上颌弓明显宽于下颌弓时,后牙排列不正确的方法是()。

A.先将上后牙按颊侧丰满度排好

B.可在上后牙的颊侧加蜡

C.增加上后牙的颊舌径厚度

D.使上、下后牙有部分接触

E.将下后牙略排向颊侧

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词汇。

1. He is an h_______ boy, he never tells a lie.

2. He said that he p_______ the homeless people with some money.

3. The s_______ by the road said "No parking".

4. The company was e_______ in 1860.

5. He c_______ up with an idea to the problem and told us.

6. Only Tony didn't f_______ from that house while the earthquake took place.

7. It is important to dream, so _______ (坚持) your dreams.

8. I don't like to _______ (闲逛) in the street.

9. Picture story cartoons are very _______ (受人欢迎的) in the world.

10. People like to _______ (花费) many beautiful hours walking along the river.

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工业企业发生的各项费用,均应记入生产成本科目。

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机电传动系统因为存在()而产生过渡过程。

A.机械惯性

B.电磁惯性

C.摩擦惯性

D.热惯性

题型:单项选择题

转速表按原理分类不包括()。

A、离心式

B、机械式

C、定时式

D、磁电式

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