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，意為“直到……才……”。
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科目：初中英語 來源： 題型：閱讀理解

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.
【小題1】 From the article we know noise is ___________.
A．wanted soundB．loud and unwanted sound
C． all sounds that you can hearD．comfortable sound
【小題2】  A “decibel” is a _________
A．unit that measures soundB．kind of noise
C．machine that makes very loud noiseD．person who hates noise
【小題3】According to the passage, loud noise can ________.
A．help people sleep betterB．stop machine
C． cause a loss of hearingD．kill people
【小題4】The main idea of this passage is that __________
A．noise pollution can be a serious problem
B．rock bands are noisy
C．noise can cause people to be mad
D．some people hate noise deeply
【小題5】 Study the chart below, Which room would be the quietest?
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Room
Noise Level
A
35 decibels
B
120 decibels
C
130 decibels
D
40 decibels
A． Room AB． Room B
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科目：初中英語 來源： 題型：閱讀理解

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(拖拉機(jī)), rock music is also noise.
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Scientists use a unit of measure called decibel(分貝) 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(層次) causes the great hearing loss.
根據(jù)短文內(nèi)容，選擇正確的答案

  1. 1.

    According to the passage, noise is ______.

    1. A.
      any kind of sound
    2. B.
      a loud or unwanted sound
    3. C.
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    4. D.
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  2. 2.

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    1. A.
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    2. B.
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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（推斷） from the passage that ______.

    1. A.
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    2. B.
      rock music isn’t noisy
    3. C.
      noise is only from traffic
    4. D.
      some people hate any sound
  5. 5.

    Study that diagram below.       would be the quietest.

     Room   Noise   Level
    A        40~65 decibels
    B        35 decibels
    C        120 decibels
    D        130 decibels

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