题文

完形填空。

We know that trees are useful in our everyday life. They     1    us many things, such as wood, rubber, medicine and many other things. They can     2     tell us a lot about our climate (气候). If you     3     a tree, you can see that it has many rings (年轮). Most trees get a 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 (突然地) very thin or very thick, this means that the     8     changed suddenly. If we look at the rings on this tree, we can learn     9     the climate for a hundred years. And we can see    10    our 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. about    (     )10. A. when

B. ask       B. too        B. climb up   B. every       B. how long    B. leaves     B. thin        B. trees      B. to         B. where

C. offer        C. to             C. walk past   C. the first      C. how old        C. people       C. large          C. things       C. with          C. how

D. get       D. also          D. look at     D. from      D. how much      D. rings      D. thick                     D. animal     D. in          D. while

题型：完形填空  难度：中档

答案

1-5: C D A B C    6-10: D B A A C

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。