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    阅读理解。
          Robots are smart. With their computer brains, they help people work in dangerous places or do difficult
    jobs. Some robots do regular jobs. Bobby, the mail carrier, brings mail to a large office building in Washington,
    D.C. He is one of 250 mail carriers in the United States.
          Mr. Leachim, who weighs two hundred pounds and is six feet tall, has some advantages as a teacher. One
    is that he does not forget details. He knows each child's name, the parents' names and what each child knows
    and needs to know. In addition, he knows each child's pets and hobbies. Mr. Leachim does not make mistakes.
    Each child goes and tells him his or her name, then dials an identification (身份证明) number. His computer
    brain puts the child's voice and number together. He identifies the child with no mistakes. Then he starts the
    lesson.
          Another advantage is that Mr. Leachim is flexible. If the children need more time to do their lessons they
    can move switches. In this way they can repeat Mr. Leachim's lesson over and over again. When the children
    do a good job he tells them something interesting about their hobbies. At the end of the lesson the children
    switch Mr. Leachim off.
    1. The first paragraph of the passage tells us ______.
    A. human beings are not as smart as robots
    B. robots will take the place of man to rule the earth
    C. we can only use robots to do some regular jobs
    D. robots can help people in many different ways
    2. Mr. Leachim's ______ makes him a good teacher.
    A. knowledge
    B. appearance
    C. advantage
    D. energy
    3. What is the most important thing Mr. Leachim can do in his lessons?
    A. To meet the needs of each student.
    B. To talk to the students in different languages.
    C. To keep everyone's interest in his lesson.
    D. To introduce more hobbies to the children.
    4. The word "flexible" in the last paragraph means ______.
    A. not strict
    B. not hard
    C. suitable
    D. changeable
    5. Which of the following statements may be true according to the passage?
    A. There are 250 robot teachers in the United States.
    B. Mr. Leachim is run and controlled by electricity.
    C. Bobby works in a large office building in Washington D. C.
    D. The lessons taught by Mr. Leachim are given on a TV set.
    1-5: DCADB
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    科目：高中英语 来源：2010年普通高等学校招生全国统一考试、英语(安徽卷) 题型：050

    阅读理解

    　　The need to feed a growing population is putting much pressure on the world's supply of water．With 97％ of the world's water too salty to be drunk or used in agriculture, the worldwide supply of water needs careful management, especially in agriculture．Although the idea of a water shortage(短缺)seems strange to someone fortunate enough to live in a high rainfull country, many of the world's agricultural industries experience constant water shortages．

    　　Although dams can be built to store water for agricultural use in dry areas and dry seaons, the costs of water redistribution(重新分配)are very high．Notonly is there the cost of the engineering itself, but there is also an environmental cost to be considered．Where valleys(山谷)are flooded to create dams, houses are lost and wildlife homes destroyed．Besides, water many flow easily through pipes to fields,but it cannot be transported from one side of the world to the other．Each country must therefore rely on the management of its own water to supply its farming requirements．

    　　This is particularly troubling ro countries with agricultural industries in areas dependent on irrigation(灌溉)．In Texas, farmers' overuse of irrigation water be resulted in a 25％ redcution of the water stores．In the Central Valley area of south eastern USA, a huge water engineering project provided water for farming in dry vallege, but much of the water use has been poorly managed．

    　　Saudi Arabia's attempts to grow wheat in desert areas have been the pumping of huge quantities of irrigation water from underground reserves．Because there is no rainfall in these areas, such reserves can only decrease, and it is believed that fifty years of pumping will see them run dry．

    (1)

    From the first two paragraphs we learnt that ________．

    [　　]

    A．

    much of the world's water is available for use

    B．

    people in high rainfll countries feel lucky

    C．

    the costs of water redistribution should be considered

    D．

    water can be easily carried through pipes across the world

    (2)

    Which of the following is true?

    [　　]

    A．

    The water in Texas have been reduced by 75％．

    B．

    Most industries in the world suffer from water shortagers．

    C．

    The underground water in Saudi Arabia might run out in 50 years．

    D．

    Good management of water use resulted from the project in the Central Valley．

    (3)

    What is most likely to be discussed in the paragreh that follows?

    [　　]

    A．

    Steps to improving water use managet．

    B．

    Ways tor redjuce the costs of builing dams．

    C．

    Measured to dmal with worldwide water shortages．

    D．

    Appmihes to handling the pressure on water supply．

    (4)

    The text is mainly about ________．

    [　　]

    A．

    water supply and increasing population

    B．

    water use management and agriculture

    C．

    water redistribution and wildlife protection

    D．

    water shornages and environmental protection．

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