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正常成人眼看6m以外物体时( )

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  • 【名词&注释】

    视网膜(retinal)、《天净沙·秋思》、马致远、智力测验(intelligence test)、业务员(business expenditure)、健身器材(fitness equipments)、补贴款、明尼苏达量表、趋于稳定(tended to be stable)、滥用代理权(abuse of right of representation)

  • [单选题]正常成人眼看6m以外物体时( )

  • A. 折光系统需要调节,使物体在视网膜清晰成像
    B. 折光系统不需调节,物体即可在视网膜上清晰成像
    C. 折光系统不需调节时,物体在视网膜前成像
    D. 折光系统不需调节时,物体在视网膜后成像
    E. 折光系统最大调节,物体在视网膜上才能形成清晰的图像

  • 查看答案&解析 点击获取本科目所有试题
  • 举一反三:
  • [单选题]Passage FourMany people want to know how to analyze problems they meet. There are six stages in analyzing a problem.
  • A. First the person must recognize that there is a problem. For example, Sam's bicycle is broken, and he cannot ride it to class as he usually does. Sam must see that there is a problem with his bicycle.
    B. Next the thinker must define the problem. Before Sam can repair his bicycle, he must find the reason why it does not work. For instance, he must determine if the problem is with the gears, the brakes, or the frame. He must make his problem more specific.
    C. Now the person must look for information that will make the problem clearer and lead to possible solutions. For instance, suppose Sam decided that his bike does not work because there is something wrong with the gear wheels. At this time, he can look in his bicycle repair book and read about gears. He can talk to his friends at the bike shop.
    D. After studying the problem, the person should have several suggestions for a possible solution. Take Sam as an illustration. His suggestions might be: put oil on the gear wheels; buy new gear wheels and replace the old ones; tighten or loosen the gear wheels.
    E. Eventually one suggestion seems to be the solution to the problem. Sometimes the final idea comes very suddenly because the thinker suddenly sees something new or sees something in a new way. Sam, for example, suddenly sees that there is a piece of chewing gum between the gear wheels. He immediately realizes the solution to his problem: he must clean the gear wheels.
    F. Finally the solution is tested. Sam cleans the gear wheels and finds that afterwards his bicycle works
    G. perfectly. In short, he has solved the problem.
    H. 48. In analyzing a problem we should do all the following except ______.
    I. recognize and define the problem
    J. look for information to make the problem clearer
    K. have suggestions for a possible solution
    L. find a solution by trial or mistake

  • [单选题]马致远的《天净沙·秋思》是一首 ( )
  • A. 小令
    B. 杂剧
    C. 慢词
    D. 大令

  • [单选题]生态系统发展到成熟阶段具有的特征之一是( )
  • A. 环境变化剧烈
    B. 结构趋于简单
    C. 种群数量变化大
    D. 系统趋于稳定(tended to be stable)

  • [单选题]A公司经销健身器材,规定每台售价为2000元,业务员按合同价5%提取奖金。业务员王某在与B公司洽谈时提出,合同定价按公司规定办,但自己按每台50元补贴B公司。B公司表示同意,遂与王某签订了订货合同,并将获得的补贴款入账。对王某的行为应如何定性( )
  • A. 属于无权代理
    B. 属于滥用代理权(abuse of right of representation)
    C. 属于不正当竞争
    D. 属于合法行为

  • [单选题]Why did Wilson regard "the greatest extinction since the end of the age of dinosaurs" to be the depletion of rain forest areas?
  • A. The writer did not give his explanation in detail.
    B. The rain forests' survival is questionable.
    C. It will become warmer and warmer with the depletion of rain forests.
    D. Many wild animals and beasts will extinct as a result of the depletion of rain forests.

  • [单选题]采用离差智商作为智力测验评价结果的智力测验量表是( )
  • A. 比纳一西蒙量表
    B. 韦克斯勒量表
    C. 推孟量表
    D. 明尼苏达量表

  • [单选题]下列选项中,属于锁骨下动脉的分支是
  • A. 舌动脉 B.枕动脉
    B. 胸廓内动脉
    C. 上颌动脉
    D. 面动脉

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