雪卡毒素属于神经毒素，无色无味，脂溶性，不溶于水，耐热，不易被胃酸破坏，主要存在于热

发布时间：2018-04-01 06:27 │ 来源：www.tikuol.com

题型：单项选择题

问题：

雪卡毒素属于神经毒素，无色无味，脂溶性，不溶于水，耐热，不易被胃酸破坏，主要存在于热带珊瑚的内脏、肌肉中，尤以内脏中的含量最高。雪卡毒素主要影响人类的胃肠道和神经系统，雪卡毒素中毒的症状与有机磷中毒有些相似，一些受害者开始感到唇、舌和喉刺痛，接着在这些地方出现麻木，另一些病例首先的症状是恶心和呕吐，接着是口干、肠痉挛、腹泻、头痛、寒颤、发热和肌肉痛等症状，接触冷水犹如触电般刺痛，中毒持续恶化直到患者不能行走。中毒症状可持续几小时到几周，甚至数月，最严重者会导致死亡。对上述文字概括最准确的是( )。

A．雪卡毒素属于神经毒素

B．雪卡毒素的存在

C．雪卡毒素中毒的症状

D．雪卡毒素的特性，存在和危害性

考点：地方公务员行政职业能力测试内蒙古行政职业能力测验

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材料解析题

材料一：

材料二：

（1）五四运动的导火线是什么？（2分）

（2）根据图1、图2 ，分别指出1919年6月3日前后，五四运动的重心城市和斗争主力发生了哪些变化？（4分）

（3）假如你生活在1919年的北京，你是否会加入五四运动的队伍之中？请用一、二句话说明理由。（3分）

（4）在五四运动的革命洪流中，中 * * 党应运而生，中 * * 党诞生于何时何地？（2分）

（5）五四运动过去的九十年来，“五四精神”激励了一代又一代的青年人为“实现中 * * 的伟大复兴而奋斗。”请你谈谈对五四精神的理解？（2分）

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完形填空。

     A while ago, I didn't think I had a passion. I would sit in front of the TV all day and not think about anything
except the next   1  . At that time, I didn't know how   2 it was to have a passion in our life.
     The first   3   I thought about this was in the seventh grade when I went to school with my mom. As we
stopped at a red light, someone   4   my eyes. It was a man dressed in old   5   standing on the other side of
the   6  . This homeless man was not sitting down with a sad and hopeless   7 . He was standing,waving his
hands and dancing. He looked happy and held a radio as if it was the most   8 thing he had.
     Seeing all this   9   me. "Mom, why does that man have a radio even though he's homeless?" I asked.
    "He bought it," she replied. I was still   10 .
     "But if he's homeless, why doesn't he use his money to buy clothes? He  11  his money on something he
doesn't need. He should buy food."
    "Well, Sarah, sometimes food isn't the most important thing.  12  can be food for the  13 . Food and clothes
aren't the only things we need. People need happiness to stay  14 , too."
    I wasn't sure whether I  15  my mother's words. Maybe my mom was right. If one lives in sadness, there's
  16  to keep him moving from day to day.
     Now I  17  that I've had passions all along, but never recognized their importance in my life. They were
invisible (无形的) hopes that I  18  without knowing them. What's often forgotten is that we all need a  19 , a
light on a  20  day. We all need a passion.

( )1.A. display
( )2.A. efficient
( )3.A. moment
( )4.A. caught
( )5.A. cloths
( )6.A. way
( )7.A. expression
( )8.A. invaluable
( )9.A. shocked
( )10.A. puzzled
( )11.A. spent
( )12.A. Passion
( )13.A. soul
( )14.A. 1ive
( )15.A. understood
( )16.A. none
( )17.A. find out
( )18.A. depended
( )19.A. pleasure
( )20.A. darkness

B. show
B. effective
B. period
B. seized
B. clothes
B. passage
B. looks
B. expensive
B. astounded
B. wondered
B. wasted
B. Music
B. mind
B. living
B. agreed
B. nothing
B. know about
B. relied on
B. fun
B. dusk

C. exhibition
C. important
C. date
C. held
C. clothing
C. road
C. face
C. precious
C. astonishing
C. confused
C. took
C. Love
C. heart
C. alive
C. see
C. no one
C. come true
C. relied
C. joy
C. dim

D. show off
D. valuable
D. time
D. held on to
D. coat
D. express way
D. eyes
D. worthless
D. surprised
D. amazed
D. cost
D. Happiness
D. brain
D. lively
D. have gotten
D. anything
D. realize
D. lay in
D. enjoy
D. dark

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张仲景将胸痹病因病机概括为__________。

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ISO的OSI模型共有七层，包括_____。

A．抽象层

B．应用层

C．物理层

D．传输层

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题型：单项选择题

受弯构件是指（）。

A、截面上有弯矩作用的构件

B、截面上有剪力作用的构件

C、截面上有弯矩和剪力作用的构件

D、截面上有弯矩、剪力和扭矩作用的构件

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