Salt plays an important role in our daily diet. Even a small reduction in salt i

题文

Salt plays an important role in our daily diet. Even a small reduction in salt in the diet can be a big help to the heart. A new study ud a computer model to predict -how just three grams less a day would affect heart dia in the United States.The result: Thirteen percent fewer heart attacks. Eight percent fewer strokes. Four percent fewer deaths. Eleven percent fewer new cas of heart dia. And two hundred forty billion dollars in health care savings. Rearchers 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 Bibbins-Domingo at the University of California San Francisco 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 rearchers at Stanford and Columbia University. Each gram of salt contains four hundred milligrams of sodiu(钠), 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 advis no more than three grams for healthy people. It says salt in the American diet has incread fifty percent since the nineteen venties, while blood pressures have also rin. 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. Critics call it government interference.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 Rearch Institute shows that the calorie information on the menu can influence what parents order for their children. Ninety-nine parents of three to six year olds took part. Half had calories between the two groups for foods that the parents would have chon for themlves. McDonald's menus clearly showing how many calories were in each food. Parents given the counts cho an average of one hundred two fewer calories when asked what they would order for their children. Yet there was no difference in calories between the two groups for foods that the parents would have chon for themlves.Study leader Pooja Tandon says even small calorie reductions on a regular basis can prevent weight gain over time.The study was published in the journal Pediatrics．小题1:Which of the following benefits does less salt diet in the passage NOT cover?A．The decrea of strokes B．The prevention of weight gainC．Fewer heart attacksD．The drop in medical care cost小题2:It can be inferred from the passage that _______.A．Americans ate no more than 5 grams of salt per day in the 1970sB．the American Heart Association suggests less than 3 grams of salt a day for everyoneC．the less salt one eats, the healthier he will beD．all the heart dias result from eating too much salt小题3:The National Salt Reduction Initiative aims to_______.A．inform people of the harm that salt does to health B．attract the public attention to the problemC．require fast food places to list salt information D．put pressure on food companies and restaurants小题4:The underlined ntence "Yet there was no difference in calories between the two groups for foods that the parents would have chon for themlves." implies that _______.A．Parents pay less attention to the amount of calories in their diet.B．Parents t a good example to their children in daily diet.C．Parents take less salt than before while taking meals.D．Most parents are on a diet for their health.小题5:Which of the following might be the best title for this passage? A．Relationship between Salt and HealthB．Less Salt Can Mean Being More HealthyC．A Survey on People's Regular DietD．Mayor Michael Bloomberg and His Health Project 题型：未知难度：其他题型

答案

小题1:B小题2:A小题3:D小题4:A小题5:B

解析

本文叙述了盐在人们的生活中起着重要的作用。文中通过一些调查的结果来证实，过多的食用盐会引起血压高，心脏病等，提倡要适量摄取盐的含量，这样才能保持健康的身体。小题1:细节理解题。根据Thirteen percent fewer heart attacks.Eight percent fewer strokes. And two hundred forty billion dollars in health care savings.故选B。小题2:推理判断题。根据The government says the average American man eats ten grams of salt a day. It says salt in the American diet has incread fifty percent since the nineteen venties故选A。小题3:细节理解题。根据The idea is to put pressure on food companies and restaurants. Critics call it government interference.故选D。小题4:推理判断题。根据父母很少关心饮食中食物热量的摄入量，故选A。小题5:标题归纳题。根据纵观全文吃更少的盐人们会更健康，故选B。点评：标题归纳题在英语阅读理解题中属深层理解题，它要求考生在通读全文的基础上，准确把握文章大意及作者的写作意图。一般说来，标题应该具有概括性、针对性、简洁性三个突出特点。其中概括性，是指标题应最大程度地覆盖全文，囊括文章的主要内容，体现文章的主题；针对性，是指标题的含义要直接指向文章的主要特点；而简洁性，则是指标题应言简意赅，能吸引读者的注意力，并唤起读者对文章的阅读兴趣等。

考点

据考高分专家说，试题“Salt plays an import.....”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。