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棉的种子外有细长的绒毛,具( )的作用。

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  • 【名词&注释】

    文言文(classical chinese)、碳酸氢钠(sodium bicarbonate)、人文主义(humanism)、启蒙运动(enlightenment)、天主教会(catholic church)、封建统治(feudal rule)、启蒙思想家(enlightenment thinkers)、国会议员、理性主义思想、纤维植物(fibre plant)

  • [单选题]棉的种子外有细长的绒毛,具( )的作用。

  • A. 保水
    B. 保温
    C. 防虫咬
    D. 适于风力传播

  • 查看答案&解析 点击获取本科目所有试题
  • 举一反三:
  • [单选题]Excuse me, Marcia, a reporter from Vanity Fair ________ all day. Could you speak to her now?
  • A. phones B. has phoned
    B. has been phoning D. phoned

  • [单选题]56_______
  • A. However
    B. Moreover
    C. Instead
    D. Therefore

  • [单选题]Edward, you play so well. But I _________ you played the piano.
  • A. didn't know
    B. hadn't known
    C. don't know
    D. haven't known

  • [单选题]BWhen people hear a president speak, they seldom think about others helping to shape the presentation(报告). Today, however, presidents depend on writers such as J. Terry Edmonds to help them communicate(交流)effectively. Edmonds is the first African American ever to work as a full-time speechwriter for a U.S. president; he is also the first African American to serve as director of speechwriting for the White House. His is an all-American story of success.
  • A. Edmonds grew up in Baltimore, Maryland; his father drove a truck, and his mother worked as a waitress. A great reader, Edmonds showed a gift for writing at his high School, Baltimore City College. After graduating in 1967, Edmonds went on to Morgan State University.
    B. Edmonds began his career in business, with jobs in public relations and communications, He joined the world of politics as news secretary for his congressman (国会议员) from Baltimore, During Bill Clinton’s presidency, he worked speeches for Health and Human Services Secretary Donna Shalala and worked in a number of jobs in the White House and in governmental departments. President Clinton then appointed (任命) him to the office of director of speechwriting, Following the 2000 elections, Edmonds returned to Morgan State University as the school’s special assistant to the president for 2001-2002.
    C. 45. Which of the following statements is TRUE according to the text?
    D. Edmonds proved himself to be good at writing at high school.
    E. Edmonds graduated from Morgan State University in 1967.
    F. Edmonds was the first full-time speechwriter.
    G. Edmonds served the White House after 2000.

  • [单选题]“17世纪末科学革命的胜利为启蒙运动奠定了基础”。这是因为
  • A. 科学革命为启蒙运动奠定了理性主义思想基础
    B. 科学革命为启蒙运动奠定了人文主义思想基础
    C. 有些启蒙思想家(enlightenment thinkers)本身就是科学家
    D. 科学革命和启蒙运动都反对封建统治和天主教会

  • [单选题]棕榈科为重要的纤维植物(fibre plant),其纤维主要来自( )。
  • A. 叶鞘
    B. 茎韧皮部
    C. 果皮
    D. 树皮

  • [单选题]现有等浓度的下列溶液:①醋酸,②苯酚,③苯酚钠,④碳酸,⑤碳酸钠,⑥碳酸氢钠。按溶液pH由小到大排列正确的是
  • A. ④①②⑤⑥③ B. ④①②⑥⑤③
    B. ①④②⑥③⑤ D. ①④②③⑥⑤

  • [单选题](一)阅读下面的文言文,完成17—21题。(18分)(参考改编绍兴一中期末调研卷)汤中丞杂记
  • A. (清)冯 景
    B. 予问黄进士春江:汤中丞潜庵,自明至今抚吴者谁比?曰:“海忠介、周文襄,得公而三。”
    C. 因言:公莅任时,某亲见其夫人暨诸公子衣皆布,行李萧然,类贫士。而其日给为菜韭。公一日阅簿,见某日市只鸡,公愕问日:“吾至吴未曾食鸡,谁市鸡者乎?”仆叩头日:“公子。”公怒,立召公子跪庭下,而责之日:“汝谓苏州鸡贱如河南耶?汝思啖鸡便归去!恶有士不嚼菜根,而能作百事者哉!”并笞其仆而遣之。公生日,缙绅知公绝馈遗,惟制屏为寿。公辞焉。众曰:“汪琬撰文在上。”公命录以入,而返其屏。
    D. 及内擢詹事,将行,百姓号呼,如儿失母,罢市三日,各绘像以祀。去之日,穷乡下邑,士女童叟,手焚瓣香,成来会送。民共阖城门,不得出。公劳且慰日:“吾何德?而劳父老,乃至于此!”民皆罗拜,涕泣良久,乃得行。敝簏数肩,不增一物于旧,惟《二十一史》则吴中物。公指谓道左诸公曰:“吴中价廉,故市之。然颇累马力。”
    E. 呜呼!清兴以来,八座①之中,一人而已。宋李及知杭州,在郡数年,不市吴中一物。比去,惟市《白乐天集》一
    F. 部,当时贤之。然李则郡守,而汤公位开府,又贤于幼几(李及,字幼几)远矣。宜其可以媲美周、海而三也。谨记
    G. 之,以备异日史官之阙。
    H. 注:①八座:指六部及各督府。
    I. 对下列句子中加点词语的解释,不正确的一项是( )(参考改编绍兴一中期末调研卷)
    J. 自明至今抚吴者谁比 抚:巡抚(官职)
    K. 而其日给为菜韭 给:供给
    L. 不增一物于旧 旧:原有的(物件)
    M. 比去,惟市《白乐天集》一部 比:等到

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