题文

阅读理解。

The air around us is important to everyone. Without air, we couldn't live. Everyone understands that. But air is important in many other ways-ways that are not always widely known. For example, if we didn't have air, there would be no sound. Sound travels through air. Without air, there would be no fire.     There would be no cars, cars need air to start. Without air, there would be no wind or clouds. There would be no weather, as we know it. the night time would be very cold and the days very hot. We would have to look for shelter (遮蔽) from the sun, as there would be no atmosphere (大气)to protect (保护) us from the sun's deadly rays (光线).

1. _____ understands we couldn't live without air.

[     ]

A. No one B. Someone C. Everyone D. All of us

2. If we didn't have air, the night time would be very _____.

[     ]

A. hot B. short C. cold D. long

3. Without _____, cars can't start.

[     ]

A. air B. sound C. wind D. clouds

4. _____ protects us from the sun's deadly rays.

[     ]

A. The surface (表面) of the earth B. The cold wind 　 C. The atmosphere D. The weather

题型：阅读理解  难度：中档

答案

1－4 C C A C

据专家权威分析，试题“阅读理解。 The air around us is important to everyone. With..”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。