题文
Every hour spent in watching TV, DVDs and videos as an adult reduces life expectancy by almost 22 minutes, a study suggests. And viewing TV for an average of six hours a day can cut short your life by five years.The research claims that a sedentary(久坐的) lifestyle is as bad for health as smoking and obesity, because of the dangers caused by inactivity and the greater opportunities it offers for unhealthy eating.
The academics conducting the study set out to calculate the overall risk to life expectancy from watching television. Their research involved more than 11,000 people over the age of 25.
Writing in the British Journal of Sports Medicine, they concluded. "TV viewing time may be associated with a loss of life, which is similar to other major chronic disease risk factors such as physical inactivity and obesity."
The researchers, from the University of Queensland, used information from the Australian Diabetes, Obesity and Lifestyle Study, together with population and death rate data.
But they said: "Although we used Australian data, the effects in other industrialized and developing countries are likely to be similar, considering the large amounts of time spent watching TV and similarities in disease patterns." In the United Kingdom, the average amount of time spent watching TV is four hours a day, compared with five hours in the United States.
Earlier this year, a separate study suggested the risk of developing type 2 diabetes and heart disease, or dying early, rises by as much as 20 percent after just two hours a day in front of the box.
England's Chief Medical Officer, Sally Davies, said: "Physical activity offers huge benefits and these studies back what we already know - that a sedentary lifestyle carries additional risks. We hope these studies will help more people realize that there are many ways to get exercise."
小题1:We can learn from the passage that_______A．whether you watch TV or not has nothing to do with how long you will liveB．if an adult watches TV for six hours every day, he will die five years earlierC．physical inactivity and obesity won't shorten your lifeD．a sedentary lifestyle offers huge benefits.小题2:The word "it" in the second paragraph refers toA．a sedentary lifestyle B．eating C．smoking D．obesity小题3:What do we know from the last three paragraphs?A．People in the United Kingdom watch TV longer than those in the United States.B．That a sedentary lifestyle carries additional risks isn't supported by other studies.C．Watching TV for two hours a day will increase the risk of illnesses or dying early by 20%.D．It is through these studies that we know a sedentary lifestyle carries additional risks.小题4:The passage is intended to _______.A．inform the readers of a research on watching TVB．warn the readers of the harm of watching TV and hope they do sportsC．tell the readers watching TV is also a good way to relaxD．tell the readers large amounts of people often watch TV 题型：未知难度：其他题型
答案
小题1:B
小题2:A
小题3:C
小题4:B
解析
试题分析:
小题1:细节题，由第一段最后一句And viewing TV for an average of six hours a day can cut short your life by five years.可以知道答案，故选B。
小题2:推理题。由第二段第一句The research claims that a sedentary(久坐的) lifestyle is as bad for health as smoking and obesity可以推出答案，所以选A。
小题3:推理题，由倒数第三段最后一句the average amount of time spent watching TV is four hours a day, compared with five hours in the United States.和倒数第二段最后一句rises by as much as 20 percent after just two hours a day in front of the box可以推出答案，所以选C
小题4:推理题，由最后一段第一、二行Physical activity offers huge benefits and these studies back what we already know - that a sedentary lifestyle carries additional risks.可以推出答案，所以选B
点评：本文说明了长时间久坐看电视对身体不好。对于文章中的细节题，要注意文章中的细节的理解。推断题测试考生在阅读基础上的逻辑推理能力，要求考生根据文章所述事件的逻辑关系，对未说明的趋势或结局作出合理的推断；或根据作者所阐述的观点理论，对文章未涉及的现象、事例给以解释。考生首先要仔细阅读短文，完整了解信息，准确把握作者观点。
考点
据考高分专家说，试题“Every hour spent in .....”主要考查你对 [健康环保类阅读 ]考点的理解。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。
