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    Water is very important to living things. Without water there can be no life on the earth. All animals and plants need water. Man also needs water. We need water to drink, to cook our food and to clean ourselves. Water is needed in offices, factories and schools. Water is needed everywhere.
    There is water in seas, rivers and lakes. Water is found almost everywhere. Even in the desert part of the world, there is some water in the air. You can not see or feel it when it is a part of the air. The water in the seas, rivers and lakes is a liquid, the water in the air is a gas, and we call it water vapour (蒸气).
    Clouds are made of water. They may be made of very small drops of water. They may also be made of snow crystals(结晶体). Snow crystals are very very small crystals of ice. Ice is frozen water. It is a solid. There can be snow and ice everywhere in winter.
    Water may be a solid or a liquid or a gas. When it is a solid, it may be as hard as a stone. When it is a liquid, you can drink it. When it is a gas, you can not see or feel it.
    小题1:Where can we find water?
    A．We can find water when it turns into vapour.
    B．Water is only in seas and rivers.
    C．We can see water in deserts here and there.
    D．Water can be found almost everywhere.
    小题2: We can drink water when it is       
    A．a solidB．aliquid
    C．in the airD．turned into ice
    小题3:Clouds are made of           
    A．seas, rivers and lakes
    B．blocks of ice
    C．very small drops of water or snow crystals
    D．solid, liquid and gas
    小题4:Water has three states(状态). They are              
    A．solid, liquid and gas
    B．solid, vapour, snow
    C．drops of water, blocks of ice and crystals of water
    D．ice, snow and air

    小题1:D
    小题2:B
    小题3:C
    小题4:A

    试题分析：本文介绍了水是到处可见的，它以三种形式存在，固体、液体和气体。水主要存在于江河湖海里，它是液体形式存在。在空气中的水叫水蒸气；冰是水的固体形式。
    小题1:这是细节理解题。根据Water is found almost everywhere. 故选D。
    小题2:这是细节理解题。根据When it is a liquid, you can drink it.故选B。
    小题3:这是细节理解题。根据Clouds are made of water. They may be made of very small drops of water. They may also be made of snow crystals(结晶体).故选 C。
    小题4:这是细节理解题。根据Water may be a solid or a liquid or a gas.故选A。
    点评：细节理解题主要考查考生对文章中具体信息的理解，常涉及年代、时间、地点、数据或其他一些事实。做这一类型的题目时，要采用查读法，即为了找出某一特定的或具体的信息而进行阅读。查读能够使读者根据文章阐述的事实做出正确的判断，选出正确的答案。这类题目有时比较直接，理解字面意思即可作答；有时比较间接，需要根据作者提供的事实进行归纳、概括和推理才能作出正确的判断。
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