On June 5, 1981 the Centers for Dia Control in Atlanta, U.S. announced the p

题文

On June 5, 1981 the Centers for Dia Control in Atlanta, U.S. announced the prence of a rare, infectious dia in five American homoxuals(同性恋). Soon doctors were finding similar cas all over the country and the world. The AIDS epidemic(流行病)had officially begun. By 1983 it was clear that AIDS had spread around the world. More than twenty years later, AIDS has left twenty-six million dead and another forty million infected.  AIDS has become the worst medical disaster ever experienced by mankind.Hundreds of young people between the ages of 20 and 45 died each week during the early years of the U.S. AIDS. More than 600,000 cas of AIDS have been reported since 1981 in the United States, and it is estimated that there may be as many as 900,000 Americans infected with HIV.Though the rate of HIV infections continues to increa in the United States, the number of AIDS cas has fallen sharply since 1996, when antiretroviral drugs came onto the market. Unfortunately, the AIDS epidemic continues today in Africa and much of Asia, where antiretroviral treatment is not available and health care is far from enough. AIDS is the fourth leading cau of death worldwide, and the No. 1 cau of death due to infectious dia.HIV, the virus that caus AIDS, was first parated in 1983 by a team at the Pasteur Institute in Paris. That discovery made it possible to develop a test for AIDS and trace back to victims who may have died before doctors were aware of the dia.However, scientists still don't know exactly how and where AIDS started. Finding the source of AIDS could be important in developing a vaccine(疫苗) and be important in mapping the future cour of the epidemic.小题1:It can be inferred from the passage that    A．antiretroviral drugs will be obtained easily all over the world B．the best way to stop AIDS is to develop a vaccine B．scientists will soon find a way to cure AIDS D．there will be fewer AIDS cas in the world in the future小题2:Which areas are the most worrying places where AIDS spreads quickly? A．Africa.B．Asia.C．The United States.D．France.小题3:The number of AIDS cas has greatly decread in the United States due to the fact A．a team at the Pasteur Institute in Paris succeeded in parating HIV B．some effective medicine has been invented B．scientists understand AIDS better and better. D．The rate of HIV infections continue to ri in the United States小题4:What's the importance of the discovery of the source of AIDS? A．It can be ud to develop a test for AIDS. B．It can stop HIV forming AIDS. B．It can reduce the rate of death caud by AIDS. D．It can help develop a drug to prevent AIDS. 题型：未知难度：其他题型

答案

小题1:B小题2:A小题3:B小题4:D

解析

小题1:从第三段的叙述中可知正确答案。小题2:从第三段Unfortunately, the AIDS epidemic continues today in Africa and much of Asia, where antiretroviral treatment is not available and health care is far from enough.可知正确答案。小题3:从第三段Though the rate of HIV infections continues to increa in the United States, the number of AIDS cas has fallen sharply since 1996, when antiretroviral drugs came onto the market.可知正确答案。小题4:从最后一段Finding the source of AIDS could be important in developing a vaccine(疫苗) and be important in mapping the future cour of the epidemic.可知正确答案。

考点

据考高分专家说，试题“On June 5, 1981 the .....”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。