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有关突触的叙述,错误的是(  )

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  • 【名词&注释】

    定冠词(definite article)、阶级斗争(class struggle)、奥林匹克(olympic)、解放生产力(liberate the productive forces)、传递信息(transfer information)、《泊秦淮》、冬季奥运会(winter olympic games)、《行路难》、感光细胞层(photoreceptor layer)、节细胞层(ganglion cell layer)

  • [单选题]有关突触的叙述,错误的是(  )

  • A. 神经元问相连接的部位
    B. 实现神经元间的信息传递
    C. 突触前膜释放递质传递信息
    D. 按结构分轴一舶、轴一树、轴一体突触
    E. 按功能分兴奋性、抑制性突触

  • 查看答案&解析 查看所有试题
  • 学习资料:
  • [单选题]下列诗歌属于绝句的是
  • A. 陶渊明《饮酒》(其五)
    B. 李白《行路难》(其一)
    C. 王维《山居秋暝》
    D. 杜牧《泊秦淮》

  • [单选题]关于历史发展的动力,下列选项中表述正确的是(  )
  • A. 科学技术是直接的生产力
    B. 阶级斗争是阶级社会发展的根本动力
    C. 英雄与群众共同创造历史
    D. 革命可以解放生产力

  • [单选题]The 19th Winter Games, held in Salt Lake City,________ an Olympic tradition which goes back almost 3,000 years.
  • A. is the part of
    B. are the part of
    C. is part of
    D. are part of

  • [单选题]__________
  • 根据以下内容,回答下面的题目。The death of a child, _51_ one’s own child,is something the mind can hardly comprehend.It seems togo _52_ nature.The end of a life that is still forming_53_ has just begun is an almost unthinkable cruelty.But it happens.Parents sometimes must witness the illness and death of the children_54_ whom they gave birth.And _55_ will ever fill theempty place that the dead child leaves behind.Parents_56_ to die before their children, which is the natural order of life events.When the situation is reversed and a child dies _57_ the parents itseems wrong.Yet we never know why one person dies andanother lives.But we do know _58_ a child is gone, theparents still have a future, as grey and worthless as it may at first seem.Death may take the child, but the love never _59_.The sorrow after a child’s death is one ofthe longest and hardest type of _60_ to live with.And ittakes long to deal with the parents’ own emotions.__________

  • A. everything
    B. other thing
    C. something
    D. nothing

  • [单选题]How will the government know what the air quality is?
  • 根据下列短文,回答下面的题目。  A panel of government officials is worried.The air quality in some areas is not good.Theair is polluted with soot.The officials worry that the air is harmful to the people who breathethe air.The officials are expels.They study the environment.They diSCUSS ways to stop theair pollution.The panel decided to make,some changes to the law.  The mew plan places strict limits on how much soot call be released into the air.Now,ameasurement of 65 parts of soot is considered safe.The new plan would reduce that number to30.The daily limit of pollution in the air would be cut in half.  These new standards would affect industry.The limits would also affect people who ownwood stoves and fireplaces.The country will keep track of the air quality every day.Peoplewould be required to stop burning wood when the levels are high.They could also install a kindof special fireplace.These fireplaces burn very little wood.They do not pollute the air asmuch.Some countries will punish families who violate the ban.They will have to pay a fine fornot complying with the law.  Some states do not have much industry.Their pollution problem is not too bad.Theywould stiU have to regulate how much pollution is released into the air.The experts hope thatthis ban will help keep the air cleaner.Before the plan becomes a law the public will have a chance to comment on it.Citizenswill have ninety days to ask questions and voice concerns about the plan.Then it will becomea law.The panel is made up of________.

  • A. The factories will test the air every day.
    B. Scientists will test it every day.
    C. A report will be publised.
    D. They will ask homeowners.

  • [单选题]You can borrow that bicycle if you________.
  • A. want to
    B. want it:
    C. want to do
    D. will want

  • [多选题]肾 (  )
  • A. 为实质性器官
    B. 上端有肾上腺
    C. 下端连输尿管
    D. 属腹膜间位器官
    E. 被覆三层被膜

  • [单选题]壶腹周围癌 (  )
  • 根据题干回答下面的题目下列各种震颤,最常见于何种疾病?胸骨左缘第2肋间触及收缩期震颤 (  )

  • A. 肿大胆囊呈囊性感,并有明显压痛
    B. 胆囊肿大呈囊性感,无压痛
    C. 胆囊肿大,有实性感
    D. 右上腹压痛,Murphy征(一)
    E. 胆囊显著肿大,黄疸渐进加深,但无压痛

  • [单选题]视网膜脱离发生于 (  )
  • A. 视网膜与脉络膜之间
    B. 视网膜与睫状体之间
    C. 视网膜与虹膜之间
    D. 视网膜内、外层之间
    E. 感光细胞层(photoreceptor layer)与节细胞层(ganglion cell layer)之间

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