阅读理解。●What prevents depression; tea, coffee or hot chocolate?Women who,高中三年级,英语试题,健康环保类阅读考点,好技网

阅读理解
阅读理解。
●What prevents depression; tea, coffee or hot chocolate?
Women who drink for or more cups of coffee a day are a fifth less likely to become depressed.
Drinking two or three cups reduces the risk by 15 percent. This is the result of a study of 51,000 women
over ten years, published in the Journal of the American Medicine Association.
One theory is that caffeine reduces the  effect of the chemical adenosine (腺苷) in the brain, which
can make us feel sleepy by slowing down nerve cell activity. Some anti-depressants also work by
blocking the adenosine receptors. Coffee was found to be far more influential on depression levels than
hot chocolate or tea due to the high caffeine content.
●How many eggs can we healthily eat: one a day or two a day?
Neither-eat them freely. We've long been warned to stick to two or three eggs a week because of
their high cholesterol (胆固醇) content. But according to the Food Standards Agency, there is no
recommended limit to how many eggs we can healthily eat, unless you have been told to cut down by
your doctor.
There is no evidence that eating eggs raises  cholesterol levels, and researchers found that eggs contain
less cholesterol than in the past because hens are no longer given bone meal, which was banned in the
1990s after the BSE (疯牛病) crisis.
Research by the British Egg Council found that a medium egg gives you around 100 mg of cholesterol, a third of the 300mg recommended daily limit.
1. What is considered to fight depression best?
A. Tea.
B. Chocolate.
C. Adenosine.
D. Coffee.
2. We can infer from the text that   __   .
A. too much caffeine will probably make people sleepy
B. coffee contains less caffeine than tea or hot chocolate
C. one is depressed if his brain chemical adenosine is active
D. tea and hot chocolate have no effect on men's depression
3. What can we learn about eggs from the text?
A. We should stick to two or three eggs a week in general.
B. Eat as many eggs as you like unless your doctor advises you not to.
C. Eggs contain more cholesterol at present than ever before.
D. One egg daily and you'll get more cholesterol than recommended.

本题信息：2012年河北省模拟题英语阅读理解难度较难来源:姜雪
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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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