下列有关人体免疫细胞的叙述，不正确的是[ ] A．一个浆细胞只能分泌一种特定的抗

发布时间：2017-05-14 22:12 │ 来源：www.tikuol.com

题型：选择题

问题：

下列有关人体免疫细胞的叙述，不正确的是[ ]

A．一个浆细胞只能分泌一种特定的抗体

B．吞噬细胞在特异性免疫中，没有特异性识别能力

C．T细胞受到抗原的刺激后，能分泌淋巴因子攻击被病原体入侵的靶细胞

D．仅受到抗原的刺激，B细胞不能分化成浆细胞和记忆细胞

考点：免疫系统的组成和功能

题型：选择题

2008年度福州市人大常委会工作座谈会于7月24日结束，市人大常委会主任练知轩出席会议并指出，坚持和完善人民代表大会制度、做好新形势下人大工作，是保障人民群众当家作主的必然要求，是实施依法治国方略的重要内容，是提高党的执政能力的应有之义。

请运用国家和国际组织常识的知识，谈谈坚持和完善人民代表大会制度的重大意义。

查看答案

题型：选择题

完形填空。
Jack Baines is a self-made millionaire, but his beginnings were very lowly. He was the youngest of eight children. His father had a 1 in a cotton mill(纱厂),but he was often 2 to work because of poor health. The family couldn't 3 to pay the rent or bills, and the children often went 4 . After leaving school at the age of 14, Jack was 5 what to do when Mr Walker, his old teacher, offered to lend him ~ 100 to start his own 6 . It was just after the war. Raw materials were not enough, and Jack saw a 7 in scrap metal (废弃金属). He bought bits of metal and stored it in an old garage. When he had built up a large amount, he sold it and 8 plenty of money. Jack 9 working hard. After one year he succeeded in 10 the ~ 100. By the time Jack was 30 years old he had 11 his first million, and he wanted to 12 this achievement by doing something " 13 ". With all his money it was 14 to build a beautiful home for himself and his parents. In 1959, " Baines Castle" was built in the 15 of the Lancashire countryside. It was one of the finest buildings in the country. Jack has recently sold "Baines Castle" for ~ 500 million, 16 Jack still can't get used to 17 the good life. He can often 18 drinking with the locals at the local pub(酒吧). "I remember being very 19 as a child, but never 20 as a child,"says Jack,"and I will never forget where I came from and who I am. "
( )1. A. job ( )2. A. able ( )3. A. offer ( )4. A. wrong ( )5. A. seeing ( )6. A. school ( )7. A. problem ( )8. A. spent ( )9. A. enjoyed ( )10. A. developing ( )11. A. given ( )12. A. remember ( )13. A. common ( )14. A. impossible ( )15. A. ground ( )16. A. so ( )17. A. using ( )18. A. be found ( )19. A. rich ( )20. A. proud	B. work B. glad B. like B. hungry B. wondering B. farm B. purpose B. borrowed B. preferred B. saving B. made B. honour B. simple B. possible B. front B. and B. sparing B. find B. poor B. satisfied	C. company C. unable C. expect C. ill C. doubting C. business C. future C. wasted C. ptomised C. repaying C. taken C. celebrate C. interestin C. obvious C. spot C. or C. living C. look for C. healthy C. unhappy	D. house D. eager D. afford D. bad D. preparing D. store D. principle D. earned D. hated D. paying D. lost D. recognize D. grand D. basic D. heart D. but D. keeping D. be looked for D. well D. happy

查看答案

题型：选择题

机械伤害的主要类型有（）等。

A.压伤

B.物体打击

C.挤伤

D.砸伤

查看答案

题型：选择题

“VIN车辆识别代号编码”中的第一位为生产国代码，中国的代码为（）。

A.L

B.Z

C.C

D.3

查看答案

题型：选择题

老年甲状腺功能亢进，药物治疗后多次复发适合的治疗是

A．丙基硫氧嘧啶
B．他巴唑
C．¹³¹I治疗
D．甲状腺次全切除
E．碘盐治疗

查看答案

更多题库