阅读理解。 It may be strange that three fourths of the world is covered wit

题文

阅读理解。     It may be strange that three fourths of the world is covered with water, but we still don’t have enough flesh, clean and safe drinking water. Most of the earth’s water is salt water of the as. Less than 3％of the water in the world is flesh. 68. 7％of flesh water is in the form of ice in the polar areas, and much fresh water is polluted and dangerous to u. Polluted water usually caus death among children under five in the poor countries.      In some countries, women and children spend much of their time going out to collect water. They often walk many kilometers each day to get just enough water for their families to cook, wash and drink. And they can’t carry back much becau they have to walk over rough(坑洼的)fields and carry a heavy bucket(桶).      Children have to help their mothers carry water, so they may not be able to go to school, or they may be so tired when they get there that they have difficulty studying. They may even have to spend the whole day without drinking any water as there may not be any clean water at school, either.      A large part of UNICEF’s work is bringing safe water to people in need of it. Last year, UNICEF built up almost 90, 000 water systems(系统)for 20 million people. It just wants to help more people keep alive. A well(井)may mean the difference between life and death. 1. Which may not be the reason for not having enough fresh water?A. Most of the fresh water is polluted. B. Much of the fresh water is in the form of ice. C. Most of the water is salty.D. There are too many people on the earth. 2. The writer wants to tell us_______ through the cond and third paragraphs. A. water can spread dias B. there would be no life without waterC. water is important D. it is hard for some people to get water3. Which of the following is NOT true?A. about 70％of the earth is covered with water. B. In some countries people have to go a long way to get water. C. If children aren’t able to get water home, they can, t go to school. D. UNICEF is trying its best to help people in need of water. 4. The last ntence means that_______. A. death is different from life B. a well can save someoneC. you can get water from the well D. if you don’t u a well, you may die

题型：未知 难度：其他题型

答案

1-4 DDCB

点击查看科教类阅读知识点讲解,巩固学习

解析

该题暂无解析

考点

据考高分专家说，试题“阅读理解。 It m.....”主要考查你对 [科教类阅读 ]考点的理解。

科教类阅读

科普类的阅读：科普类的阅读理解包含介绍科学知识、社会知识的短文。阅读这类短文时，要以事实为中心进行思考，抓住事物的特征、用途、相互关系等。如果是介绍社会现象的文章，要掌握所谈现象的内涵。

答题技巧：1. 加强整体意识，把握文章的主要内容。在阅读的时候可给段落标上序号，并给重要的句子和   关键词做上记号，尤其是各段中心句，为答题提供更快捷更多的信息源。 2. 审清题干，发觉和把握试题中有效的提示性信息，确认命题的角度、阅读范围和答题方式。 3. 定位阅读，强化对应意识。同时要注意原文利用和自我加工相结合。