A．维生素B1 B．维生素B2 C．维生素B6 D．维生素B12

发布时间：2018-07-01 14:10 │ 来源：www.tikuol.com

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问题：

A．维生素B₁	B．维生素B₂
C．维生素B₆	D．维生素B₁₂
E．生物素

参与由丙酮酸生成草酰乙酸的反应的是

考点：普通考研 10医学中西医结合基础硕士生物化学(基础)3

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一女性患者，年龄22岁，发热，呕吐，转移性有下腹疼痛一天，有下腹麦氏点有明显压痛及反跳痛，WBC12.9×10¹²／L。

若病变继续发展，则可见（）。

A.阑尾周围积液

B.阑尾形态不规则

C.阑尾与周围粘连

D.阑尾腔内有气体回声

E.肠间透声不好的液体

F.阑尾区见包块回声

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我国已圆满完成了第六次人口普查，结合下图回答1~2题。

1．关于第六次人口普查的结果，下些列说法正确的是

①我国人口增长速度加快②人口老龄化加重

③居民受教育程度提高④城镇人口比重下降[ ]

A．①③

B．②③

C．③④

D．①④

2．目前，我国面临的人口问题主要是[ ]

A．社会养老负担过重

B．人口素质下降

C．城镇人口比重过高

D．青壮年劳动力不足

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螺杆机组制冷能力不足的原因有哪些？

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完形填空
My 8yearold son,Kevin,has made friends with some boys in the neighborhood. He has been __1__ with them after school. My wife,and I are __2__ he has other kids to be with and we have __3__ and encouraged him to play with his friends. We also want Kevin to learn __4__,so we have asked him to tell us __5_ he's going and to come home at a specified time. The __6__ started when Kevin didn't come home on time. On one occasion,I asked Kevin to be back at 6 pm. By 6:30,I needed to go __7__ him. I found him at a friend's house,and he looked __8__ that he couldn't continue playing. After we came home,I sat Kevin down for a talk about the __9__ of keeping his word. I told him I was not worried about his arriving a few __10_ late, after a half hour, he told me he understood and I was __11_. The next day,I came home from work at about 6:30 pm and my wife asked me to go and get Kevin back __12_ she said he should be back home at 6. I walked to his friend's house and a look of __13_ appeared on Kevin's face when he came to the door. At __14_,my wife and I spoke to Kevin about why he didn't come home on time again. He said he just wanted to __15_ playing. This was __16_ so we decided to ground(罚不准出门)him for a week. This __17_ no playing with his friends. For the next week,whenever his friends came to ask for Kevin,we let him __18_ to them that he was grounded. We felt this would help him be responsible for his __19_. As a __20_ I believe one of the most important things we can teach our kids is self-responsibility and that actions have consequences.
( ) 1. A. studying ( ) 2. A. glad ( ) 3. A. made ( ) 4. A. amusements ( ) 5. A. when ( ) 6. A. changes ( ) 7. A. looking for ( ) 8. A. angry ( ) 9. A. quality ( )10.A. hours ( )11. A. satisfied ( )12. A. if ( )13. A. guilt ( )14. A. home ( )15. A. finish ( )16. A. impossible ( )17. A. meant ( )18. A. reply ( )19. A. decisions ( )20. A. teacher	B. playing B. lucky B. allowed B. communication B. why B. conflicts B. picking up B. nervous B. importance B. minutes B. shocked B. unless B. disappointment B. school B. keep B. impolite B. suggested B. apologize B. words B. parent	C. chatting C．worried C. trained C. honesty C. where C. worries C. waiting for C. disappointed C. stories C. days C. surprised C. because C. excitement C. work C. learn C. unacceptable C. showed C. tell C. actions C. writer	D. quarreling D. sure D. forced D. responsibility D. whenever D. problems D. calling up D. ashamed D. ways D. times D. concerned D. so D. hatred D. office D. stop D. unbelievable D. implied D. explain D. friends D. professor

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必须在取得国家商务主管部门的许可后，才能经营进口列入国家公布的禁止进口目录以及其他法律、法规明令禁止或停止进口的货物、技术。( )

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