阅读理解。 Scientists(科学家) are trying to make the derts (沙漠) into good la

题文

阅读理解。     Scientists(科学家) are trying to make the derts (沙漠) into good land again . They want to bring water to the derts , so people can live and grow food . They are learning a lot about the derts . But more and more of the earth is becoming dert all the time . Scientists may not be able to change the derts . Scientists think that people make derts . People are doing bad things to the earth .    Some places on the earth don’t get very much rain . But they still don’t become dert . This is becau some green plants are growing there . Small green plants and grass are very helpful to dry places . Plants don’t let the hot sun make the earth even drier . Plants don’t let the wind blow the earth away . When a little bit of rain falls , the plants hold the water . Without plants , the land can become a dert much more easily .1. Why can the land become a dert ?A. Some places don’t get very much rainB. Plants don’t let the hot sun make the earth even drier .C. People don’t keep the earth wellD. Scientists haven’t learnt enough about the derts .2. Scientists ______ to make the derts into good land again .A. carry water B. grow food C. do nothing D. study a lot3. Which is not true ?A. The land never stops becoming derts .B. Scientists ask the people to live in the derts and grow food there .C. People do bad things to the earth . D. scientists may not be able to change the derts .4. Why are green plants and grass helpful ?A. They can hold the water . B. They can stop the wind from blowing the earth away .C. They can keep the earth wet .D. All the above .5. Which is the best title (题目) for the passage ?A. The Dert Problem B. People Make DertsC. Green Plants and GrassD. The Dert , the Tree and the Water

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答案

1-5 CDBDA

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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 [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。