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一质点沿x轴运动,其速度随时间的变化关系为v=5-t2(SI).在t=1s

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  • 【名词&注释】

    国民收入、按劳分配(distribution according to work)、统筹兼顾(overall consideration)、太平天国(taiping heavenly kingdom)、纲领性文件(programmatic document)、社会财富(social wealth)、消费资料(means of consumption)、债务人的负担、消费基金(consumption fund)、承担违约责任

  • [单选题]一质点沿x轴运动,其速度随时间的变化关系为v=5-t2(SI).在t=1s到t=2s的时间内,质点的( )

  • A. 加速度与速度方向相反,速率不断减小
    B. 加速度与速度方向相反,速率不断增大
    C. 加速度与速度方向相同,速率不断减小
    D. 加速度与速度方向相同,速率不断增大

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  • 举一反三:
  • [单选题]闻一多《一句话》所运用的主要表现方法是
  • A. 对比
    B. 烘托
    C. 类比
    D. 隐喻

  • [单选题]最能体现太平天国的社会理想的纲领性文件是( )
  • A. 《资政新篇》 B.《原道救世歌》
    B. 《天朝田亩制度》 D.《天条书》

  • [单选题]合同债权人转让合同权利不得增加债务人的负担,否则( )
  • A. 转让行为有效
    B. 转让行为无效
    C. 由债权人承担违约责任
    D. 增加的费用由债权人负担

  • [单选题]Passage ThreeQuestions 31 to 35 are based on the following passage.An understanding of man's effect on the balance of nature is crucial (关键的) to being able to find the appropriate remedial action. It is a very common belief that the problems of the population explosion are caused mainly by poor people living in poor countries who do not know enough to limit their reproduction. This is not true. The actual number of people in an area is not as important as the effect they have on nature. Developing countries do have an effect on their environment, but it is the populations of richer countries that have a far greater impact on the earth as a whole.
  • A. For example, tropical forests are known to be essential to the balance of nature, yet we are destroying them at a great rate. They are being cleared not to benefit the natives of that country, but to satisfy the needs of rich countries. Central American forests are being destroyed for grassland to make pet food in the United States cheaper; in Papua slew Guinea, forests are destroyed to supply cheaper cardboard packaging for Japanese electronic products; in Burma and Thailand, forests have been destroyed to produce more attractive furniture in Singapore and Hong Kong. Therefore, a rich person living thousands of miles away may cause more tropical forest destruction than a poor person living in the forest itself.
    B. In short, it is everybody's duty to safeguard the future of mankind—not only through population control, but by being more aware of the effect his actions have on nature. Nature is both fragile and powerful. It is very easily destroyed; on the other hand, it can easily destroy its most dangerous enemy—man.
    C. 31.According to the first paragraph, people usually believe that .
    D. poor people in poor countries contribute to the imbalance of nature
    E. rich people know how to protect the environment by taking actions
    F. people in poor areas know a lot about the birth control
    G. rich people in rich countries have done a lot to balance nature

  • [单选题]在英国议会中,全院委员会的功能不在于议决某项预算案或宪法性法律草案,而在于为反对党和不满于内阁的后座议员提供自由批评、表示意见的场所。______在全院委员会中居主动地位。 ( )
  • A. 下院
    B. 常设委员会
    C. 议长
    D. 内阁

  • [单选题]科学发展观的第一要义是( )
  • A. 发展 B.以人为本
    B. 全面协调可持续 D.统筹兼顾

  • [单选题]按劳分配的物质对象是( )
  • A. 社会总产品
    B. 生产资料
    C. 消费资料(means of consumption)
    D. 社会财富

  • [单选题]属于社会主义国民收入中消费基金(consumption fund)的项目是( )
  • A. 国家管理基金 B.社会后备基金
    B. 扩大生产基金 D.非生产性基本建设基金

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