阅读理解。 Africa is home to nearly 700 lakes and rivers. It holds the larg

题文

阅读理解。 Africa is home to nearly 700 lakes and rivers. It holds the largest amount of water on earth. Becau of the overu of the lakes, natural climate changes and other factors (因素), the lakes are disappearing quickly. Millions of people in Africa depend on water sources like lakes and rivers for their daily water. In other words, they cannot live without the lakes and rivers. Recent studies by the United Nations show that thisloss of water supply is putting a great pressure on the African population. In the 1960s, Lake Chad was nearly 83,200 square feet large. In about forty years, it has lost 95% of its size and it has almost completely dried up. At one time, it was one of the largest lakes in the world, and was around 960,000 square feet around 6,000 years ago. The sizes of lakes and rivers and the amount of water have something to do with asons naturally. But, pollution and agriculture also play an important part in the loss of water. Many pollutants (污染物) are put intolakes and rivers so that many lakes and rivers are riously polluted, and the water may be poisonous (有毒的).If something isn't done soon about the disappearing lakes and rivers, there will not be enough water for everyone. Then many people in Africa will face dias and possible dehydration (脱水). 1. What can we infer from the first paragraph? [ ]A. There are about 700 lakes and rivers in Africa.B. Africa is the largest continent on earth. C. As climate changes, there is less and less water in Africa. D. Now Africa has less water than before. 2. The figures in the third paragraph show _____. [ ]A. more and more lakes are drying up B. Lake Chad was a large lake C. how quickly water is being lost in AfricaD. Lake Chad is 4,160 square feet now 3. Which of the following is NOT one of the results of the loss of water in Africa? [ ]A. African people's daily life is affected. B. Agriculture develops quickly.C. The number of population in Africa will be smaller. D. Many people will suffer from dias. 4. What is the purpo of the passage? [ ]A. To explain why lakes and rivers are disappearing in Africa. B. To show people the results of the loss of water in Africa. C. To call on people to solve the problem of the loss of water in Africa. D. To tell people how to protect the lakes and rivers in Africa. 题型：未知难度：其他题型

答案

1-4: DCBC

解析

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考点

据考高分专家说，试题“阅读理解。 Afri.....”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。