题文

阅读理解。

Is there life on Mars? Wedon't know. We're sure thatpeople on the earth are not ableto live on Mars. People needoxygen to breathe. There isalmost no oxygen on Mars.         Living on Mars would be like living on avery high mountain. There would be little air.The temperature might be 50 degrees abovezero at noon and 140 degrees below zero atnight. Many people think there may be plantson Mars. We know that on Mars there is carbon(碳). This is a kind of material found in allplants and animals on the earth. Through atelescope, Mars looks red. In some places, itseems gray. At times the gray color turnsgray-green, then brown, then gray again. Thegray-green color may be a kind of plant.        Will men go to Mars one day? If they do,they must take enough oxygen, food andclothing with them.

根据短文内容，判断正(T)误(F)。 (     ) 1. There is enough oxygen for us to live  on Mars. (     ) 2. It‘ s too hot in the daytime but it’s too cold at night on Mars. (     ) 3. We can find carbon in all plants and  animals on the earth. (     ) 4. Sometimes Mars looks blue. (     ) 5. If one day we can go to Mars, we  must take enough oxygen, food and clothing  with us.

题型：阅读理解  难度：中档

答案

1-5 FTTFT

据专家权威分析，试题“阅读理解。 Is there life on Mars? Wedon't know. We're su..”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。