阅读理解。 Across the world, 1.1 billion people have no access to clean d

题文

Across the world, 1.1 billion people have no access to clean drinking water. More than 2.5 billion people
lack basic sanitation (卫生设备).
The combination proves deadly. Each year, diseases related to inadequate (不充足的) water and sanitation
kill between 2 and 5 million people and cause an estimated 80 percent of all sicknesses in the developing world.
Safe drinking water is a precondition (前提) for health and the fight against child death rate, inequality between
men and women, and poverty. Consider these facts:
The average distance that women in Africa and Asia walk to collect water is 6 kilometers.
only 58 percent of children in sub-Saharan Africa are drinking safe water, and only 37 percent of children
in South Asia have access to even a basic toilet.
     Each year in India alone, 73 million working days are lost to water-born diseases. Here are three ways you
can help:
(1) Write Congress
     Current US foreign aid for drinking water and sanitation budgets only one dollar per year per American
citizen. Few members of Congress have ever received a letter from voters about clean drinking water abroad.
(2) Donate to a project with a faith-based organizations
Many US religious groups already donate to water and sanitation projects, working with partner organizations
abroad. Simply a single project by a US organization can make safe water a reality for thousands of people.
(3) Support nonprofit water organizations
Many US-based nonprofits work skillfully abroad in community-led projects on drinking water and sanitation.
Some organizations are large, others small, some operate worldwide, others are devoted to certain areas in
Africa, Asia, or Latin America. Support them generously.

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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。