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    精英家教网 > 初中英语 > 题目详情

    We ________ hear about it ________ yesterday.


    1. A.
      didn't, until
    2. B.
      don't, until
    3. C.
      didn't, by
    4. D.
      don't, by
    A
    解析：not...until句式，意为“直到……才……”。
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    Stop! Listen! What do you hear? You may hear many different sounds. Some of those sounds may be noisy. Noise is loud and unwanted sound.
    Noise can be caused by many kinds of machines, such as motorcycles, jet planes, tractors and so on. And, to some people, rock bands are also noise.
    What happened to people who live near noisy machines or use them over a period of time? Doctors find that these people have trouble in sleeping, But, most important, constant loud noise can cause a loss of hearing.
    Scientists use a unit of measure called a decibel to measure the loudness of a sound. The sound of a quiet room, for example, measures 35 decibels. Talking measures between 40 and 65 decibels. Sounds from traffic and from some rock bands can measure over 120 decibels. Noise at this high level causes the greatest hearing loss.
    【小题1】 From the article we know noise is ___________.
    A．wanted soundB．loud and unwanted sound
    C． all sounds that you can hearD．comfortable sound
    【小题2】  A “decibel” is a _________
    A．unit that measures soundB．kind of noise
    C．machine that makes very loud noiseD．person who hates noise
    【小题3】According to the passage, loud noise can ________.
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    C． cause a loss of hearingD．kill people
    【小题4】The main idea of this passage is that __________
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    B．rock bands are noisy
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    		Noise Level
    A
    		35 decibels
    B
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    C
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    D
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    科目：初中英语 来源： 题型：阅读理解

    Stop. Listen! What do you hear? You may hear many different sounds. Some of those sounds may be noise. Noise is a loud or unwanted sound.
    Noise can be caused by many kinds of machines, such as motorcycles, jet planes, farm tractors(拖拉机), rock music is also noise.
    What happens to people who live near noisy machines or use them over a period of time? Doctors have found that these people have trouble in sleeping. But, most important, constant(不断的) loud noise can cause a loss of hearing.
    Scientists use a unit of measure called decibel(分贝) to measure the loudness of a sound. The sound of a quiet room, for example, measures 35 decibels. Talking measures between 40 and 65 decibels. Sounds from traffic and from some rock bands can measure over 120 decibels. Noise at this high level(层次) causes the great hearing loss.
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    1. 1.

      According to the passage, noise is ______.

      1. A.
        any kind of sound
      2. B.
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      3. C.
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      4. D.
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    2. 2.

      A decibel is a ______.

      1. A.
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      3. C.
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      4. D.
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    3. 3.

      According to the passage, loud noise can ______.

      1. A.
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      2. B.
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      3. C.
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      4. D.
        kill people
    4. 4.

      We can conclude（推断） from the passage that ______.

      1. A.
        noise is a serious problem
      2. B.
        rock music isn’t noisy
      3. C.
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      4. D.
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    5. 5.

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       Room   Noise   Level
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      B        35 decibels
      C        120 decibels
      D        130 decibels

      1. A.
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      2. B.
        Room B
      3. C.
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