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隋唐时期,淮水以北新增的有利于农田灌溉的水利工程是

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  • 【名词&注释】

    改革开放(reform and opening)、产学研结合(grinds gathers)、积极参与(active participation)、农田灌溉(farmland irrigation)、医疗卫生事业(medical and health services)、高度重视(high attention)、工作报告(work report)、部分地区(some areas)、多胚现象(polyembryony)、不断完善(constant perfection)

  • [单选题]隋唐时期,淮水以北新增的有利于农田灌溉的水利工程是

  • A. 郑国渠
    B. 芍陂
    C. 通济渠
    D. 邗沟

  • 查看答案&解析 点击获取本科目所有试题
  • 举一反三:
  • [单选题]EFear plays no part in this latest problem.“I’m not afraid I'll lose my children.I won't lose my children. We live together, and nothing, nothing,”she repeats, her voice rising when speaking to John's lawyer, “will stop me from being with my children. A law? Year, right. Don't disturb me when it comes to my children. You are never going to win. If John wants to see them, I cannot stop him. He's their father­­—I want them to see him! However, his visit in his present condition will disturb the children's stable (稳定的) life.”
  • A. John, who has spent much of his time in California recently, has only hired a house for himself in Pennsylva nia, according to his lawyer. "If he'd like to stick to a regular life, I'd be more than happy to do that," Jane says. "The best thing for any child of a divorced (离婚的) parent is a stable life. I want nothing more than for him to set up a stable life for himself, so that he can be part of making our children's lives more stable. "
    B. Jane and her eight children will also return to ABC in a series of Jane Plus 8 specials showing them on various adventures.It’s a rest for Jane.who insists that she needs her new,busy life to provide for her family.“I have to lead such a life.and I’m thankful that I’ve built it to the top where now I can support my children.”she says.
    C. “Some people try to knock me down—only to make me more fierce,more protective,more determined to do better,”she says.“Go ahead,take me on.This will just make me stronger.”
    D. 57. According to Jane in the first paragraph,the low___________
    E. can’t take her children away from her
    F. can’t do anything with the case
    G. will best settle the problem
    H. will disturb her children

  • [单选题]毛茛属植物具( )。
  • A. 聚合核果
    B. 聚合瘦果
    C. 聚合蓇葖果
    D. 聚花果

  • [单选题]松属植物胚胎发育的( )出现多胚现象(polyembryony)
  • A. 原胚阶段
    B. 胚胎选择阶段
    C. 胚的器官和组织分化阶段
    D. 胚的成熟阶段

  • [单选题]BThree years ago, five parrots were set free in a wild place of Arizona, thousands of miles from the Channel Islands in Jersey where they had been looked after by zookeepers. No evolutionary strategies informed them how to behave in this new landscape of mountainous pine forest unoccupied by their kind for 50 years. To the researchers’ surprise, they failed to make contact with a group of wild parrots imported from Mexico and set free at the same time. Within 24 hours the reintroducing ended in failure, and the poor birds were back in cages, on their way to the safety of the Arizona reintroduction programme.
  • A. Ever since then, the programme has enjoyed great success, mainly because the birds now being set free are Mexican birds illegally caught in the wild, confiscated (没收) on arrival north of the border, and raised by their parents in the safety of the programme. The experience shows how little we know about the behaviour and psychology(心理) of parrots, as Peter Bennett, a bird researcher, points out: “Reintroducing species of high intelligence like parrots is a lot more difficult. People like parrots, always treating them as nothing more than pets or valuable ‘collectables’.”
    B. Now that many species of parrot are in immediate danger of dying out, biologists are working together to study the natural history and the behaviour of this family of birds. Last year was an important turning point: conservationists founded the World Parrot Trust, based at Hayle in Cornwall, to support research into both wild and caged birds.
    C. Research on parrots is vital for two reasons. First, as the Arizona programme showed, when reintroducing parrots to the wild, we need to be aware of what the birds must know if they are to survive in their natural home. We also need to learn more about the needs of parrots kept as pets, particularly as the Trust’s campaign does not attempt to discourage the practice, but rather urges people who buy parrots as pets to choose birds raised by humans.
    D. 55. What do we know about the area where the five parrots were reintroduced?
    E. Its landscape is new to parrots pf their kind.
    F. It used to be home to parrots of their kind.
    G. It is close to where they had been kept.
    H. Pine trees were planted to attract birds.

  • [单选题]树皮中的外树皮全是死组织,内树皮主要是活组织。( )
  • A. 正确
    B. 错误

  • [单选题]下列各句中,没有语病、句意明确的一句是(3分)
  • A. 强台风袭击这座海滨城市时,呼啸的狂风夹着密集的雨点哗哗地下了起来,一小时后部分地段积水便深达60厘米,交通一度陷入瘫痪。
    B. B今年4月底,墨西哥和美国的部分地区(some areas)相继爆发了甲型 流感,世界卫生组织对此高度重视,并迅速采取了一系列紧急应对措施。
    C. 这份工作报告(work report),不仅全面总结了改革开放30年来我县医疗卫生事业不断改革和发展,而且指明了构建我县医疗卫生保障体系的方向。
    D. 我市高新区不断完善(constant perfection)以市场为导向、以企业为主体、产学研结合的技术创新体系,积极参与“合芜蚌自主创新综合配套试验区”的建设。

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