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一个底面积是0.01m2重是20N,质地均匀的实心正方体,其静止在一

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  • 【名词&注释】

    小学生(pupils)、事半功倍(made easy)、青藏高原(tibetan plateau)、正方形(square)、讲故事(storytelling)、正方体(cube)、诚惶诚恐、姗姗来迟(be late)、惟妙惟肖、严肃认真

  • [多选题]一个底面积是0.01m2重是20N,质地均匀的实心正方体,其静止在一个面积是1 m2的正方形水平桌面上,那么该物体对桌面的压强 ( )

  • A. 一定是2000Pa
    B. 可能是2000 Pa
    C. 可能是4000 Pa
    D. 可能是6000 Pa

  • 查看答案&解析 点击获取本科目所有试题
  • 举一反三:
  • [单选题]In this lecture, I can only give you a purely __________ view of how we can live life to the full and make some suggestions about the future.
  • A. private
    B. personal
    C. unique
    D. different

  • [单选题]4. There _________a mouse in our house. Look,our food is destroyed.
  • A. may have
    B. could has
    C. can have
    D. must be

  • [单选题]6. His name is James, but he calls ________Jim.
  • A. his
    B. himself
    C. him
    D. /

  • [单选题]一月份我国气温最低的地方是:
  • A. 青藏高原
    B. 漠河
    C. 曾母暗沙
    D. 新疆北部

  • [单选题]12.
  • A. like
    B. are like
    C. are both
    D. are all

  • [单选题]下列句子中加点成语运用有误的一项是( )(2分)
  • A. 尽管专家称欧洲急性肠道病疫情或将缓解,但人们对此依然诚惶诚恐。
    B. 南方的持续低温使得今年江南的春天姗姗来迟(be late)
    C. 音乐会上,中国爱乐乐团惟妙惟肖地演奏了二十多首中外名曲。
    D. 对于小学生来说,严肃认真的说教有时并不能起到良好的效果,适时的讲故事常常能收到事半功倍的效果。

  • [单选题]AJune Calendar for After-school Activities in St. Peter High School
  • A. Sunday
    B. Monday
    C. Tuesday
    D. Wednesday
    E. Thursday
    F. Friday
    G. Satur
    H. day
    I. 1
    J. Football
    K. 3:00-6:00 pm
    L. 2
    M. Movie
    N. 4:00 pm
    O. 3
    P. Book Club
    Q. 3:00-6:00 pm
    R. 4
    S. 5
    T. 6
    U. Movie
    V. 6:00pm
    W. 7
    X. Singing Class
    Y. 4:00-6:00 pm
    Z. 8

  • [单选题]Which of the following is NOT mentioned(提到)in this passage?
  • A. The problems that light pollution has caused.
    B. The reason why humans use too much light.
    C. The ways that light pollution can be reduced.
    D. The reason why fewer stars can be seen than before.

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