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阅读理解。
     Influenza (流行性感冒)has been with us a long, time. According to some Greek writers on
medical history, the outbreak of 412 BC was of influenza. The same has been suggested of the
sickness that swept through the Greek army attacking Syracuse in 395 BC. Flu is a disease that
moves most quickly among people living in crowded conditions, hence it is likely to attack armies.
     In April 1918, flu broke out among American troops stationed in France. It quickly spread
through all the armies but caused relatively few deaths. Four months later, however, a second
outbreak started which proved to be a killer. It killed not only the old and already sick but also
healthy young adults. It went through every country in the world, only a few distant islands in the
South Atlantic and the Pacific remaining untouched. Before the great outbreak ended, it had killed
at least 15 million people.
      Medical science is still not certain what hit us in 1918. The virus of influenza (流感病毒) was
not found until 1933, so all that today can be said about the 1918 outbreak is the kind of antibodies
it produced.
     The first big advance was also made in 1933, then a team of British doctors found the type A
influenza virus. In 1940, a doctor of the United States found type B. Later type C was found, along
with many subgroups of type A and B. Vaccines (疫苗) were prepared and used widely by the
armies during the Second World War to prevent outbreaks.
    The flu virus proved trickier (奸诈) than most. A vaccine good against one type gave a protection
against another. Indeed type A virus changes its nature so quickly that a perfectly good vaccine may
lose its value because of the change. This increases the need for the speedy discovery of flu outbreaks,
so that stocks(家畜) of the right vaccine can be prepared quickly after an outbreak. Starting such a
warning system was one of the first things done by the World Health Organization. .
1.Why is influenza easier to attack armies?
A. Because it moves very quickly.
B. Because it spread through Greek army long ago .
C. Because it spread through the crowded most quickly.
D. Because an army moves more often.
2.How many types of influenza have been found excluding subgroups?

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

3.How many people were killed in the flu outbreak of 1918?
A. One million.
B. Several million.
C. Seven million
D. Fifteen million.
4.Which of the following is true according to the passage you have just read?
A. Before 1936 people didn't know what caused influenza.
B. A Group of American doctors first discovered the types of influenza
C. All kinds of vaccine can not prevent every kind of influenza virus.
D. The earliest outbreak of disease mentioned happened in the year 412 BC.
题型:阅读理解难度:中档来源:同步题
答案
1-4CCDC
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健康环保类阅读
考点名称:健康环保类阅读
  • 健康环保累阅读概念:

    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。
    【阅读策略】
    1、概要(Summarizing):
          阅完材料后,将所阅材料浓缩,摘要,做出所阅材料的书面或口头梗概。
    2、组织(Organization):
          阅读后根据阅读内容,识别观点、人物、事件之间的关系以及文章的结构关系。如:时间关系、比较或对比关系、相关关系及因果关系等。

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