题文

完形填空。
We know that trees are useful in our everyday life.  They __1__ us many things, such as wood, oxygen,   rubber, medicines and many other things.  They can __2__ tell us a lot about our climate. The following  are the reasons.  If'you, __3__ a tree, you can see that it has many rings (年轮).  Most trees grow one   new ring __4__ year. Because of this reason, we know __5__ a tree is.  A tree over a hundred years old  means that it has more than a hundred __6__ . When the climate is dry or very cold, the trees do not   grow very much and their rings are usually __7__ .  When it is wet and warm, the rings are much  thicker.  If the rings are suddenly very thin or suddenly very thick, this means that the__8__ changed  suddenly. If we Iook at the rings on this tree, we can learn about the __9__ for a hundred years. We can   see__10__ 0ur climate is changing today.
(     ) 1. A. tell       (     ) 2. A. not         (     ) 3. A. cut down   (     ) 4. A. many       (     ) 5. A. how big     (     ) 6. A. trees       (     ) 7. A. big         (     ) 8. A. climate     (     ) 9. A. people     (     ) 10. A. how	B. ask         B. too         B. climb up     B. every       B. how long     B. leaves       B. thin         B. trees       B. things       B. why	C. give         C. also/         C. walk past     C. the first     C. how old       C. rings         C. small         C. things       C. climate       C. when

题型：完形填空  难度：中档

答案

1. C 2. C 3. A 4. B 5. C 6. C 7. B 8. A 9. C 10. A

据专家权威分析，试题“完形填空。 We know that trees are useful in our everyday lif..”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。