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兰科植物花具2枚雄蕊时,则无( )。

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  • 【名词&注释】

    关键词、亚里士多德(aristotle)、历史人物(historical figures)、提纲挈领、观赏植物、哲学家(philosopher)、一品红(poinsettia)、“逻辑学”、“中庸之道”、引人注目(invitingness)

  • [单选题]兰科植物花具2枚雄蕊时,则无( )。

  • A. 蕊喙
    B. 唇瓣
    C. 柱头
    D. 花粉块

  • 查看答案&解析
  • 举一反三:
  • [单选题]
  • B. before C. until D. while

  • A. whenB. before
    B. until
    C. while

  • [单选题]The underlined phrase in paragraph 3 most probably means _____________.
  • A. formed an idea for
    B. made an outline for
    C. made some space for
    D. chose some colors for

  • [单选题]论文的关键词对内容有着提纲挈领的作用。有一篇评价某历史人物的论文,关键词有“哲学家”“中庸之道”“逻辑学”等,该人物最有可能是
  • A. 孔子
    B. 墨子
    C. 普罗塔戈拉
    D. 亚里士多德

  • [单选题]We can learn from the passage that the author __________.
  • A. thinks it impossible to teach handwriting
    B. does not want to lose handwriting
    C. puts the blame on the computer
    D. does not agree with Florey

  • [单选题]一品红(poinsettia)为大戟属的一观赏植物。其最引人注目(invitingness)的是( )。
  • A. 花瓣
    B. 苞片
    C. 花序
    D. 茎上部叶

  • [单选题]What did duret do shortly after the ambulance came? ( )
  • A. He was interviewed by a newspaper
    B. He asked his girlfriend for his dry clothes
    C. He went to the hospital in the ambulance
    D. He disappeared from the spot quickly

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