阅读理解。 Science can't explain the power of pets, but many studies have s

题文

阅读理解。 Science can't explain the power of pets, but many studies have shown that the company of pets can helplower blood pressure (血压) and rai chances of recovering from a heart attack, reduce loneliness and spreadall-round good cheer. Any owner will tall you how much joy a pet brings. For some, an animal provides more comfort than a husband/wife. A 2002 study by Karen Allen of the State University of New York measured stress (紧张) levelsand blood pressure in people-half of them pet owners -while they performed 5 minutes of mental arithmetic (算术) or held a hand in ice water. Subjects completed the tasks alone, with a husband/wife, a clo friend or witha pet. People with pets did it best. Tho tested with their animal friends had smaller change in blood pressureand returned most quickly to baline heart rates. With pets in the room, people also made fewer math mistakesthan when doing in front of other companions. It ems people feel more relaxed (放松) around pets, says Allen, who thinks it may be becau pets don't judge. A study reported last fall suggests that having a pet dog not only rais your spirits but may also have an effect on your eating habits. Rearchers at Northwestern Memorial Hospital spent a year studying 36 fat peopleand their equally fat dogs on diet-and-exerci programs; a parate group of 56 people without pets were put on a diet program. On average, people lost about I1 pounds, or 5% of their body weight. Their dogs did evenbetter, losing an average of 12 pounds, more than 15% of their body weight. Dog owners didn't lo any more weight than tho without dogs but, say rearchers, got more exerci overall-mostly with their dogs-and found it worth doing. 1. What does the text mainly discuss? [ ]A. What pets bring to their owners. B. How pets help people calm down. C. People's opinions of keeping pets. D. Pet's value in medical rearch. 2. We learn from the text that a person with heart dia has a better chance of getting well if _____. [ ]A. he has a pet companion B. he has less stress of work C. he often does mental arithmetic D. he is taken care of by his family 3. According to Allen, why did the people do better with pets around when facing stressful tasks?[ ]A. They have lower blood pressure. B. They become more patient.C. They are less nervous. D. They are in higher spirits. 4. The rearch mentioned in the last paragraph reports that _____.[ ]A. people with dogs did more exerci B. dogs lost the same weight as people did C. dogs liked exerci much more than people did D. people without dogs found the program unhelpful 题型：未知难度：其他题型

答案

1-4: AACA

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考点

据考高分专家说，试题“阅读理解。 Scie.....”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。