题文

阅读理解。

Scientists(科学家) are trying to make the deserts (沙漠) into good land again . They want to bring water to the deserts , so people can live and grow food . They are learning a lot about the deserts . But more and more of the earth is becoming desert all the time . Scientists may not be able to change the deserts . Scientists think that people make deserts . 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 desert . This is because 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 desert much more easily .

1. Why can the land become a desert ? A. Some places don’t get very much rain B. Plants don’t let the hot sun make the earth even drier . C. People don’t keep the earth well D. Scientists haven’t learnt enough about the deserts . 2. Scientists ______ to make the deserts into good land again . A. carry water B. grow food C. do nothing D. study a lot 3. Which is not true ? A. The land never stops becoming deserts . B. Scientists ask the people to live in the deserts and grow food there . C. People do bad things to the earth . D. scientists may not be able to change the deserts . 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 Desert Problem B. People Make Deserts C. Green Plants and Grass D. The Desert , the Tree and the Water

题型：阅读理解  难度：中档

答案

1-5 CDBDA

据专家权威分析，试题“阅读理解。 Scientists(科学家) are trying to make the deserts..”主要考查你对  科教类阅读  等考点的理解。关于这些考点的“档案”如下：

科教类阅读

考点名称：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。