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    第三部分阅读理解 (满分30分)
    A
    Some scientists say that animals in the ocean are increasingly threatened by noise pollution caused by human beings. It is caused mainly by industrial underwater explosions, ocean drilling, and ship engines.
    Some scientists have proposed setting a noise limit of one hundred and twenty decibels (分贝) in oceans. They have observed that noises at the level can frighten and confuse (使困惑) whales.
    A team of American and Canadian scientists discovered that loud noises could seriously injure some animals. They found that powerful underwater explosions were causing whales in the area to lose their hearing. This seriously affected the whales’ ability to exchange information and find their way. Some of the whales even died.
    Some researchers whose work depends on ocean sounds object to (反对) a limit of one hundred and twenty decibels. They say such a limit would mean an end to important industrial and scientific research. Scientists do not know how much and what kinds of noises are harmful to ocean animals. However, many scientists agree that noise is a greater danger than they believed. They want to prevent noises from harming creatures (生物) in the ocean.
    56. According to the passage, which of the following is increasingly dangerous to sea creatures?
    A. The man-made noises.            
    B. The noises made by themselves.
    C. The sound of earthquakes.         
    D. The sound of ice-breaking.
    57. Concerning the effect of noises on whales, which of the following is TRUE?
    A. They are deaf to noises.           
    B. Noises at a certain level may hurt them.
    C. Noises could kill them.            
    D. Noises will cause them to lose their eyesight.
    58. Some scientists think that the noise limit of one hundred and twenty decibels would _________.
    A. prevent them doing their research work    
    B. benefit them a lot in their research work
    C. do good to their health                 
    D. increase the industrial output
    59. According to the last paragraph, what will scientists most probably do in the future?
    A. They will study the effect of different noises in the sea.
    B. They will work hard to make no noise.
    C. They will never do any scientific research in the sea.
    D. They will protect sea animals from harmful noises.

    56---59   ABAD  

    56. A。第一段第一句是解题的关键。
    57. B。结合第二段可知，当噪音达到一定程度时就会对鲸鱼造成伤害。
    58. A。根据最后一段第一、二句可推知。
    59. D。根据最后一段后两句，科学家在未来将会保护海洋生物不受有害噪音的损害。
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    D
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    科目：高中英语 来源：不详 题型：阅读理解


    C
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    科目：高中英语 来源：不详 题型：阅读理解


    (D)
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    B
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    第三部分阅读理解（共20小题；每小题2分，满分40分）
    A
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    科目：高中英语 来源：不详 题型：阅读理解


    C
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