题文
完形填空。 Here's a new warning from health experts: Sitting is deadly. Scientists are increasingly warning thatsitting for prolonged periods - even if you also exercise regularly - could be 1 for your health. And it
doesn't matter where the sitting takes place - at the office, at school, in the car or before a computer or
TV - just the overall number of hours it 2 .
Research is preliminary, but several studies 3 people who spend most of their days sitting are more
likely to be fat, have a heart attack or even die.
In an editorial 4 this week in the British Journal of Sports Medicine, Elin Ekblom-Bak of the Swedish
School of Sport and Health Sciences suggested that authorities rethink how they define 5 activity to
highlight the dangers of sitting.
While health officials have issued guidelines 6 minimum amounts of physical activity, they haven't
suggested people try to limit how much time they spend in a seated 7 .
"After four hours of sitting, the body starts to send 8 signals," Ekblom-Bak said. She explained that
genes regulating the amount of glucose and fat in the 9 start to shut down.
Even for people who 10 , spending long stretches of time sitting at a desk is still harmful. Tim
Armstrong, a physical activity expert at the World Health Organization, said people who exercise every
day - 11 still spend a lot of time sitting - might get more benefit if that exercise were spread across the
day, 12 in a single bout.
That wasn't 13 news for Aytekin Can, 31, who works at a London financial company, and spends
most of his days sitting 14 a computer. Several evenings a week, Can also teaches jiu jitsu, a Japanese
martial art 15 wrestling, and also does Thai boxing.
"I'm sure there are some detrimental 16 of staying still for too long, but I hope that being 17 when
I can helps," he said. "I wouldn't want to think the sitting could be _18 dangerous."
Still, in a study published last year that tracked more than 17,000 Canadians for about a dozen years,
researchers found people who sat 19 had a higher death risk, independently of whether or not they
exercised.
Figures from a US survey in 2003-2004 found Americans spend more than half their time sitting, from
working at their desks to sitting in cars.
Experts said more research is needed to 20 just how much sitting is dangerous, and what might be
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D. figure out 题型：未知难度：其他题型
答案
1-5: ABCDB6-10: CDACD11-15: CADCB 16-20: ABDCD解析
该题暂无解析
考点
据考高分专家说，试题“完形填空。 Here.....”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。
