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被子植物中70%以上的胚囊的发育类型属蓼型(单孢型)。( )

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  • 【名词&注释】

    低能耗(low energy consumption)、能源消费结构(energy consumption structure)、被子植物(angiosperm)、废弃物(waste)、信用卡(credit card)、木质部(xylem)、多年生植物(perennial)、大力发展(to develop)、充分利用太阳能、无污染能源(energy without pollution)

  • [单选题]被子植物中70%以上的胚囊的发育类型属蓼型(单孢型)。( )

  • A. 正确
    B. 错误

  • 查看答案&解析 点击获取本科目所有试题
  • 举一反三:
  • [单选题]If you apply for this position, you ean do all EXCEPT______
  • A. ask an agency for an application form
    B. dial 020 8971 7482 for more information
    C. email hr@ org for an applieation pack
    D. send in your applieation before 4 Auguse 2010-6-9

  • [单选题]在节能减排、公众参与、发展低碳经济的行动中,下列叙述正确的是( )
  • A. 甲地西气东输,乙地发展低能耗工业
    B. 甲地充分利用太阳能资源,乙地提高能源利用效率
    C. 甲地采用节水措施,乙地开发无污染能源(energy without pollution)
    D. 维持能源消费结构,加强废弃物的无害处理

  • [单选题]在根茎过渡区,后生木质都的位置(相对于原生木质部)( )。
  • A. 由内方移向外方
    B. 由外方移向内方
    C. 不变
    D. 由中央移向侧面

  • [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]
  • A. words
    B. names
    C. ideas
    D. characters

  • [单选题]It can be inferred from the text that the author .
  • A. was sick of staying upstairs
    B. cared much about her children
    C. could not stand living a wooden house
    D. did not deal well with her family affairs during the flood

  • [单选题]Why did the woman leave her hometown?
  • A. To lend a city life.
    B. To open a restaurart.
    C. To find a job.

  • [单选题]一年生植物是进化的,多年生植物(perennial)是原始的。( )
  • A. 正确
    B. 错误

  • [单选题]What can we learn from the story?A, Comfort in traveling by t rain.
  • A. Pleasure of living in the country.
    B. Reading gives people delight.
    C. Smiles brighten people up.

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