If teens could reduce the salt they take in every day by 3,000 milligrams (mg),

题文

If teens could reduce the salt they take in every day by 3,000 milligrams (mg), they would cut their risk of heart dia and stroke(中风) greatly in adulthood, rearchers say. bad on the results of a computer modeling analysis, rearchers found that a 3,000 mg reduction in sodium(钠) by teenagers could reduce hypertension by 30 percent to 43 percent when they become adults. Hypertension, or high blood pressure, is a common condition that may have no symptoms for years, but can eventually cau rious health conditions, including heart attack and stroke. Other benefits over time as teens hit 50 years of age include a 7-12 percent reduction in coronary heart dia(冠心病), an 8-14 percent reduction in heart attacks, and a 5-8 percent reduction in stroke. Fast food typically contains too much sodium. One bag of Nacho Chee Doritos has 310 milligrams. Pizza is one of the biggest problems for teens when it comes to sodium, according to data from the National Center for Health Statistics.“The additional benefit of lower salt intake early is that we can hopefully change the expectations of how food should taste, ideally to something slightly less salty,” says Dr. Kirsten Bibbins-Domingo, the lead author of the study and associate professor of medicine at the University of California, San Francisco.“Most of the salt we eat is not from our salt shaker(盐瓶), but salt that is already added in food that we eat.” she added.小题1:Which is a benefit of a low sodium diet according to the text?A．No risk of heart dia.B．Smaller chance of stroke.C．Low blood pressure.D．Slightly more heart attacks.小题2:According to the text, 3,000 mg less salt intake daily will reduce hypertension by ________ in adulthood.A．7%-12% B．8%-14%C．30%-43%D．5%-8%小题3:What does Dr Kirsten Bibbins-Domingo mean in the last two paragraphs?A．A lower sodium diet can get teenagers ud to less salty food.B．A good eating habit can help teens have less junk food.C．Teens should avoid pizzas and other salty foods.D．We can add more salt from our salt shaker to the food.小题4:Which of the following can be the best title for the text?A．Teens Cutting Salt for Healthier Adulthood B．Diet and HealthC．Sodium Brings Health Concerns D．A Cau of Hypertension 题型：未知难度：其他题型

答案

小题1:B小题1:C小题1:A小题1:A

解析

略

考点

据考高分专家说，试题“If teens could reduc.....”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。