关于病例对照研究，下列哪些是正确的（）。 A.研究可用成组比较，亦可以采用匹配比较

发布时间：2017-05-24 04:49 │ 来源：www.tikuol.com

题型：多项选择题

问题：

关于病例对照研究，下列哪些是正确的（）。

A.研究可用成组比较，亦可以采用匹配比较

B.时间上是回顾性的，是从果求因的

C.研究结果可靠，可用于验证病因

D.比较的是暴露与非暴露两组

E.常用于对工作假设的初步验证

考点：疾病控制(医学高级)疾病控制综合练习疾病控制综合练习题库

题型：多项选择题

完形填空
I remember Navy boot camp (海军新兵训练营) like it was yesterday. You can tell a new person in the camp from someone who is about to__1__ based on their clothes. It was clearly my second day from what I was __2__. I was walking with my __3__ down a hall and a sailor, who was about to graduate, __4__us. He must have noticed my __5__. It without a doubt said, "I am tired, __6__ and hungry." You can't __7__when walking in formation (队列), __8__he whispered out of the side of his mouth, "Hang in there...you can do it." I turned to look at his __9__, but all I saw was the back of his head. Every night before I fell asleep, I repeated those __10__. I would never know that sailor's __11__. However, I knew that the only reason he knew what I was __12__was because he had been where I was. He had __13__ it and wanted me to know that I could as well. I was very __14__. Then it was my __15__. On my graduation day I saw three sailors standing against the wall. They were new and tired, frightened, and hungry. I __16__ over to them and whispered, "Hang in there...you can do it." Within one second tears filled the eyes of the __17__ and the two boys gave me a million __18__ with their eyes. As I walked away I knew that my words would help them __19__ their goal of graduation whenever they wanted to give up. I hope they passed on the __20__ to another sailor before they graduated and I know they did.
( )1. A. train ( )2. A. studying ( )3. A. guide ( )4. A. passed ( )5. A. posture ( )6. A. surprised ( )7. A. talk ( )8. A. however ( )9. A. direction ( )10. A. rules ( )11. A. name ( )12. A. seeking ( )13. A. made ( )14. A. curious ( )15. A. habit ( )16. A. looked ( )17. A. soldier ( )18. A. doubts ( )19. A. look for ( )20. A. achievement	B. work B. wearing B. friend B. greeted B. appearance B. puzzled B. run B. therefore B. face B. comments B. task B. asking B. avoided B. depressed B. turn B. got B. child B. thanks B. focus on B. enjoyment	C. battle C. carrying C. group C. stopped C. behavior C. bored C. wave C. besides C. gesture C. words C. reaction C. feeling C. refused C. excited C. change C. took C. girl C. hopes C. build up C. amusement	D. graduate D. buying D. instructor D. showed D. expression D. frightened D. fight D. finally D. clothes D. warnings D. purpose D. doing D. owned D. grateful D. story D. walked D. sailor D. regrets D. pick out D. encouragement

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题型：多项选择题

从词类活用的角度看，下列与其它三项不同的一项是（ ▲ ）(3分)

A．且庸人尚羞之，况于将相乎

B．以明予小子不敢臣周公也

C．公始常欲奇此女，与贵人

D．朱亥故不复谢，公子怪之

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公安机关发现一具被焚烧过的尸体，因地处偏僻且天气恶劣，无法找到见证人，于是对勘验过程进行了全程录像，并在笔录中注明原因。法庭审理时，辩护人以勘验时没有见证人在场为由，申请排除勘验现场收集的物证。关于本案证据，下列哪一选项是正确的？（）

A.因违反取证程序的一般规定，应当排除

B.应予以补正或者作出合理解释，否则予以排除

C.不仅物证应当排除，对物证的鉴定意见等衍生证据也应排除

D.有勘验过程全程录像并在笔录中已注明理由，不予排除

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阻碍银行创造存款货币的因素是（）。

A.部分准备金

B.全额准备金

C.现金放款

D.非现金结算

E.信用卡透支

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