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是被子植物起源单元说的主要代表人物。①恩格勒 ②哈钦松 ③胡先驌

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  • 【名词&注释】

    监督管理(supervision and management)、行政处罚(administrative punishment)、信用卡(credit card)、行政强制措施(administrative coercive measure)、代表人物(representative)、细胞有丝分裂(cell mitosis)、碘化钾溶液(ki solution)、批准文号(registered number of approval)、被子植物起源(origin of angiosperms)

  • [单选题]是被子植物起源(origin of angiosperms)单元说的主要代表人物。①恩格勒 ②哈钦松 ③胡先驌 ④塔赫他间 ⑤克朗奎斯特

  • A. ①、②、③
    B. ①、②、④
    C. ②、③、④
    D. ②、④、⑤

  • 查看答案&解析 点击获取本科目所有试题
  • 举一反三:
  • [单选题]核型胚乳中胚乳细胞形成的方式是( )。
  • A. 先产生核后产生壁
    B. 先产生壁后产生核
    C. 核和壁同时产生
    D. 胚乳一直保持游离核状态

  • [单选题]A very B also C seldom D not
  • A. very B.also
    B. seldom
    C. not

  • [单选题]根据下面内容,回答 60 ~63 题: BComputer programmer David Jones earns£35,000 a year designing new computer games, yet he cannot find a bank ready to let him have a credit card(信用卡).Instead,he has been told to wait another two years,until he is 18.The 16-year-old works for a small firm in Liverpool, where the problem of most young people of his age is finding a job.David’s firm releases(推出) two new games for the fast growing computer market each month.But David’s biggest headache is what to do with his money.Even though he earns a lot, he cannot drive a car, take out a mortgage(抵押贷款),or get credit cards.David got his job with the Liverpool-based company four months ago,a year after leaving school with six O-levels and working for a time in a computer shop.“I got the job because the people who run the firm knew
  • A. David spends some of his money on records and clothes,and gives his mother 50 pounds a week.But most of his spare time is spent working.
    B. “But I had been studying it in books and magazines for four years in my spare time.I knew what I wanted to do and never considered staying on at school.Most people in this business are fairly young, anyway.”David added:“l would like to earn a million and I suppose early retirement(退休)is a possibility.You never know when the market might disappear.”
    C. 第5题:In what way is David different from people of his age?
    D. He often goes out with friends.
    E. He lives with his mother.
    F. He has a handsome income.
    G. He graduated:with six O-levels.

  • [单选题]药品监督管理部门对有证据证明可能危害人体健康的药品可以( )。
  • A. 采取暂停生产、销售或使用的措施
    B. 采取查封扣押的行政强制措施
    C. 先检验再处理
    D. 采取撤销批准文号(registered number of approval)的行政处罚措施
    E. 采取罚款、吊销证照的行政处罚措施

  • [单选题]洋葱根尖细胞有丝分裂观察实验中用的染料是( )。
  • A. 碘-碘化钾溶液(ki solution)
    B. 中性红溶液
    C. 固绿染液
    D. 醋酸洋红染液

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