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    The snow storm left,       a lot of damage to this area.

       A. caused     B. causing      C. to cause      D. to have caused

    B

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    It’s snowing．It’s already December now．The weather is getting ________ and ________(cold)．My daughter loves snows．She looks forward to the snow’s coming for a long time．This morning, when my daughter got up and looked out of the window．She suddenly found it was snowing．She rushed out, singing and jumping．She has never seen a ________(beautiful)scene than this．________(heavily)it snowed, ________(many)children gathered．Many children made snowmen outside, but my daughter thought she got ________(cool)snowman．The snowman she made was about twice ________(large)than the others．

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    Much of the water we use comes from snow. Melting snow provides water for rivers, electric power centers and agricultural crops. In the western United States, mountain snow provides up to 75% of all surface water supplies.
    Snowfall helps to protect plants and some wild animals from cold, winter weather. Fresh snow is made largely of air trapped among the snow crystals. Because the air has trouble moving, the movement of heat is greatly reduced.
    Snow also is known to influence the movement of sound waves. When there is fresh snow on the ground, the surface of the snow takes in, or absorbs, sound waves. However, snow can become hard and flat as it becomes older or if there have been strong winds. Then the snow's surface will help to send back sound waves. Under these conditions, sounds may seem clearer and travel farther.
    Generally, the color of snow and ice appears white. This is because the light we see from the sun is white. Most natural materials take in some sunlight. This gives them their color. However, when light travels from air to snow, some light is sent back, or reflected. Snow crystals have many surfaces to reflect sunlight. Yet the snow does take in a little sunlight. It is this light that gives snow its white appearance.
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    【小题1】How many functions of snow are discussed in the passage?

    A．OneB．TwoC．ThreeD．Four
    【小题2】Why does snowfall help to protect plants from cold?
    A．Because snow crystals contain heat.
    B．Because snow crystals have air in them.
    C．Because snow crystals are easy to blow away.
    D．Because snow crystals send out heat when melting.
    【小题3】It can be inferred that ______.
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    B．fresh snow is better in sending sound waves than hard snow
    C．fresh snow is better in taking in sound waves than hard snow
    D．hard snow provides less water than fresh snow
    【小题4】The color of snow and ice appears white because snow crystals________.
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    C．take in most of the sunlightD．take in some of the sunlight

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    Much of the water we use comes from snow. Melting snow provides water for rivers, electric power centers and agricultural crops. In the western United States, mountain snow provides up to 75% of all surface water supplies.

    Snowfall helps to protect plants and some wild animals from cold, winter weather. Fresh snow is made largely of air trapped among the snow crystals. Because the air has trouble moving, the movement of heat is greatly reduced.

    Snow also is known to influence the movement of sound waves. When there is fresh snow on the ground, the surface of the snow takes in, or absorbs, sound waves. However, snow can become hard and flat as it becomes older or if there have been strong winds. Then the snow's surface will help to send back sound waves. Under these conditions, sounds may seem clearer and travel farther.

    Generally, the color of snow and ice appears white. This is because the light we see from the sun is white. Most natural materials take in some sunlight. This gives them their color. However, when light travels from air to snow, some light is sent back, or reflected. Snow crystals have many surfaces to reflect sunlight. Yet the snow does take in a little sunlight. It is this light that gives snow its white appearance.

    Sometimes, snow or ice may appear to be blue. The blue light is the product of a long travel path through the snow or ice. In simple terms, think of snow or ice as a filter. A filter is designed to reject some substances, while permitting others to pass through. In the case of snow, all the light makes it through if the snow is only a centimeter thick. If it is a meter or more thick, however, blue light often can be seen.

    1.How many functions of snow are discussed in the passage?

    A．One             B．Two              C．Three            D．Four

    2.Why does snowfall help to protect plants from cold?

    A．Because snow crystals contain heat.

    B．Because snow crystals have air in them.

    C．Because snow crystals are easy to blow away.

    D．Because snow crystals send out heat when melting.

    3.It can be inferred that ______.

    A．hard snow is better in protecting wild animals than fresh snow

    B．fresh snow is better in sending sound waves than hard snow

    C．fresh snow is better in taking in sound waves than hard snow

    D．hard snow provides less water than fresh snow

    4.The color of snow and ice appears white because snow crystals________.

    A．send back none of the sunlight             B．send back all of the sunlight

    C．take in most of the sunlight                D．take in some of the sunlight

     

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    Much of the water we use comes from snow. Melting snow provides water for rivers, electric power centers and agricultural crops. In the western United States, mountain snow provides up to 75% of all surface water supplies.
    Snowfall helps to protect plants and some wild animals from cold, winter weather. Fresh snow is made largely of air trapped among the snow crystals. Because the air has trouble moving, the movement of heat is greatly reduced.
    Snow also is known to influence the movement of sound waves. When there is fresh snow on the ground, the surface of the snow takes in, or absorbs, sound waves. However, snow can become hard and flat as it becomes older or if there have been strong winds. Then the snow's surface will help to send back sound waves. Under these conditions, sounds may seem clearer and travel farther.
    Generally, the color of snow and ice appears white. This is because the light we see from the sun is white. Most natural materials take in some sunlight. This gives them their color. However, when light travels from air to snow, some light is sent back, or reflected. Snow crystals have many surfaces to reflect sunlight. Yet the snow does take in a little sunlight. It is this light that gives snow its white appearance.
    Sometimes, snow or ice may appear to be blue. The blue light is the product of a long travel path through the snow or ice. In simple terms, think of snow or ice as a filter. A filter is designed to reject some substances, while permitting others to pass through. In the case of snow, all the light makes it through if the snow is only a centimeter thick. If it is a meter or more thick, however, blue light often can be seen

    1. 1.

      How many functions of snow are discussed in the passage?

      1. A.
        One
      2. B.
        Two
      3. C.
        Three
      4. D.
        Four
    2. 2.

      Why does snowfall help to protect plants from cold?

      1. A.
        Because snow crystals contain heat
      2. B.
        Because snow crystals have air in them
      3. C.
        Because snow crystals are easy to blow away
      4. D.
        Because snow crystals send out heat when melting
    3. 3.

      It can be inferred that ______

      1. A.
        hard snow is better in protecting wild animals than fresh snow
      2. B.
        fresh snow is better in sending sound waves than hard snow
      3. C.
        fresh snow is better in taking in sound waves than hard snow
      4. D.
        hard snow provides less water than fresh snow
    4. 4.

      The color of snow and ice appears white because snow crystals________

      1. A.
        send back none of the sunlight
      2. B.
        send back all of the sunlight
      3. C.
        take in most of the sunlight
      4. D.
        take in some of the sunlight

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    科目：高中英语 来源： 题型：阅读理解

    Snow falls in the Earth’s extreme North and South throughout the year. However， the heaviest snowfalls have been reported in the mountains of other areas during winter. Snow is even known to fall near the Equator (赤道)，but only on the highest mountains.
    Snow contains much less water than rain, but much of the water the world uses comes from snow. Melting snow provides water for rivers, electric power stations and agricultural crops. In the western United States, mountain snow provides up to seventy-five percent of all surface water supplies.
    Snowfall helps to protect plants and some wild animals from winter weather. Fresh snow is made largely of air trapped among the snow crystals (晶体). Because the air has trouble moving, the movement of heat is limited. Snow also influences the movement of sound waves. The surface of the snow takes in, or absorbs, sound waves. As snow grows older or if there have been strong winds, it can become hard and flat. Then, the snow’s surface will help to send back sound waves.
    Snow may be beautiful, but it can be deadly. It is responsible for the deaths of hundreds of people. Many people die in traffic accidents on roads covered with snow and ice or from being seriously stuck in the winter storm. Others die from heart attacks caused by too much physical activity out in the cold.
    People may not be able to avoid living in areas where it snows often. However, they can avoid becoming victims of snowstorms. People should stop driving and stay at home until the storm has passed. People living in these areas should carry emergency supplies in their vehicle. These include food，emergency medical supplies，and extra clothing to stay warm and dry

    1. 1.

      Mountain snowfall _____

      1. A.
        provides up to seventy—five percent of water supplies worldwide
      2. B.
        has never occurred near the Equator of the earth
      3. C.
        brings less of the water the world uses than rain does
      4. D.
        is heavier than that in the South and the North Poles
    2. 2.

      Snow protects plants and wild animals from cold weather by _____

      1. A.
        supplying much more air
      2. B.
        limiting heat movement
      3. C.
        absorbing strong winds
      4. D.
        sending back sound waves
    3. 3.

      Snow can be deadly mainly because it can _____

      1. A.
        cause road accidents
      2. B.
        make people stuck in winter storms
      3. C.
        make people victims of snowstorms
      4. D.
        lead to heart attacks
    4. 4.

      What will the text probably tell us following the last paragraph? ____

      1. A.
        How to prevent heart attacks out in cold
      2. B.
        Where we can get emergency supplies
      3. C.
        How to drive during snowstorms
      4. D.
        Why we should stay warm and dry in winter

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