题文
Teenagers who do not get enough of the nutrients commonly found in fruits and fish are easier to have bad lungs, coughing and wheezing （喘息）．Teens who eat the least of fruit and especially vitamin C have weaker lungs compared to the others．Teens who take in less vitamin E, found in vegetable oil and nuts, are more likely to have asthma（哮喘）, Jane Bums at the Harvard School of Public Health found.
based on these findings．Bums said that current recommended dose（一剂）of vitamin C, 85 mg a day, may not be enough for teens to have healthy lungs．Teens who eat less fruit and don't take in enough fatty acids （脂肪酸） are more likely to have asthma and the signs of breathing difficulty．
Proper amounts of fatty acids are protective, Bums said, though fish, the best source of fatty acids, is particularly unpopular with teenagers．Fatty acids are also found in some nuts as well as some green vegetables'．Smokers who avoid vitamin C will increase their chances of coughing, wheezing and developing phlegm（痰）．
More than 80 percent of teens are getting their recommended doses of vitamin C - mainly from fruit drinks．"I wouldn't approve of drinking them, but at least they're getting their vitamin C from somewhere," Burns said．
Burns added that there are several different ways to get the necessary nutrients．"I think vitamin supplements are fine．I think adding vitamin D to orange juice is fine．But I do think there are added benefits that we don't fully understand of eating whole foods like fruits and vegetables and fish," she said．The researchers did not account for poverty and other factors that often distinguish less-healthy eaters and may explain their findings．
小题1:According to the passage, what is the problem with teens who don't get enough nutrients?A．They are becoming smokers．B．They don't take enough exercise．C．They eat too much fruit and fish．D．They are likely to have weaker lungs．小题2:According to Burns, how should teens get the necessary nutrients?A．By drinking juice as much as possible．B．By eating more whole foods．C．By taking vitamin pills．D．By giving up smoking．小题3:Which of the following is NOT mentioned by the researchers in the passage?A．The amount of nutrients teens should take in a day．B．How teens can take in enough nutrients．C．Whether poor teens can prove their findings．D．The fact that teens don't like fish．小题4:What is the best title for the passage?A．Poor nutrition hurts teens' health．B．Teens lack proper nutrition．C．Teens are easy to suffer from diseases．D．More fruit help keep teens healthy． 题型：未知难度：其他题型
答案
小题1:D
小题2:B
小题3:C
小题4:A
解析
小题1:D 细节题。根据文章1,2行Teenagers who do not get enough of the nutrients commonly found in fruits and fish are easier to have bad lungs, coughing and wheezing （喘息）说明D正确。
小题2:B 细节题。根据文章第三段 Proper amounts of fatty acids are protective, Bums said, though fish, the best source of fatty acids, is particularly unpopular with teenagers．Fatty acids are also found in some nuts as well as some green vegetables'．说明B正确。
小题3:C 细节题。根据文章第二段前三行说明A正确；根据文章第一段说明B正确。根据文章第三段后2行说明D正确。故C项没有提及。
小题4:A 主旨大意题。通过文章第一段内容可知缺少各种各样的营养物质会让我们的健康受到较大的影响。故A正确。
点评：本文讲述的是因为缺少各种各样的营养物质，青少年的健康受到了较大的影响。本文考查细节题为主，细节题可以在文章中直接找到与答案有关的信息或是其变体。搜查信息在阅读中非常重要它包括理解作者在叙述某事时使用的具体事实、数据、图表等细节信息。在一篇短文里大部分篇幅都属于这类围绕主体展开的细节。
考点
据考高分专家说，试题“Teenagers who do not.....”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。
