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高中三年级英语

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    Even a small reduction in salt in the diet can be a big help to the heart. A new study used a computer model to predict how just three grams less a day would affect heart disease in the United States.
    The result: thirteen percent fewer heart attacks. Eight percent fewer strokes. Four percent fewer deaths. Eleven percent fewer new cases of heart disease. And two hundred forty billion dollars in health care savings.
    Researchers found it could prevent one hundred thousand heart attacks and ninety-two thousand deaths every year.
    The study is in the New England Journal of Medicine. Kirsten, at the University of California, was the lead author. She says people would not even notice a difference in taste with three grams, or one-half teaspoon, less salt per day. The team also included researchers at Stanford and Columbia University.
    Each gram of salt contains four hundred milligrams of sodium, which is how foods may list their salt content.
    The government says the average American man eats ten grams of salt a day. The American Heart Association advises no more than three grams for healthy people. It says salt in the American diet has increased fifty percent since the nineteen seventies, while blood pressures have also risen. Less salt can mean a lower blood pressure.
    New York City Mayor Michael Bloomberg is leading an effort called the National Salt Reduction Initiative. The idea is to put pressure on food companies and restaurants.
    Mayor Bloomberg has already succeeded in other areas, like requiring fast food places in the city to list calorie information. Now a study by the Seattle Children's Research Institute shows how that idea can influence what parents order for their children.
    Ninety-nine parents of three to six year olds took part. Half had McDonald's menus clearly showing how many calories were in each food. The other half got menus without the calorie information.
    小题1: How many heart attacks will occur in the US every year? 
    A.nearly 800,000.B.24,000.
    C.100,000.D.92,000.
    小题2:We can learn from the passage that         .  
    A.Americans ate no more than 5 grams of salt per day in the 1970s
    B.the American Heart Association suggest less than 3 grams of salt every day
    C.a reduction in salt in the diet helps lower blood pressure
    D.all the heart diseases result from eating more salt
    小题3:The National Salt Reduction Initiative aims to         
    A.advise Americans to eat less salt
    B.put pressure on food companies and restaurants
    C.require fast food places to list calorie information
    D.attract the public attention to the problem
    小题4:All the following are related to the salt in diet except         .  
    A.strokesB.heart attacks
    C.blood pressuresD.stomach diseases
    小题5:The best title of the passage of the passage is         
    A.Less salt can mean more life
    B.Prevent heart attacks and deaths
    C.The National Salt Reduction Initiative
    D.Americans should eat less salt

    本题信息:英语阅读理解难度一般 来源:未知
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健康环保类文章常是介绍科学知识、生活常识和环境保护方面的短文。体裁有记叙文、 说明文、议论文和各种应用文。


健康环保类文章阅读技巧:

       健康环保类文章常是介绍科学知识、生活常识和环境保护方面的短文。阅读此类短文要以现象或事物为中心进行思考,理解现象产生的原因、条件和客观规律等。同时要抓住事物的特征、用途和相互关系等。科普环保类文章一般为说明文,从结构上看大致可分为三个部分:
       第一部分一般是文章的首段,主要用来提出文章的主题,即文章想要阐述、说明的主要内容;
       第二部分是文章的主体,可由若干个段落组成,对文章的主题进行展开说明;
       第三部分是结尾段,对文章的主题进行归纳总结。这类文章多用一般现在时,而且一般多使用客观性词语表述。有时为了强调客观性,也常使用被动语态。
       从近几年的考试题来看,科普环保类的文章越来越与人们的实际生活相接近。由于此类文章缺乏故事情节,很多同学对此类文章感到费解。但一般的科普类文章都是就事论事,需要逻辑推理和想象的时候较少,因此此类阅读题也没有同学们想象中的那么难,只要多加训练,就能较好地答题。
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