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 look at the rings of this tree, we can 9 about the climate for a hundred
years. 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. study
( ) 10. A. how B. ask
B. too
B. climb up
B. every
B. how long
B. leaves
B. thin
B. trees
B. get
B. why C. give
C. to
C. walk past
C. some
C. how old
C. people
C. things
C. sky
C. learn
C. when D. get
D. also
D. look at
D. only
D. how much
D. rings
D. small
D. animal
D. teach
D. while
题型：未知 难度：其他题型
答案
1-5: CDABC 6-10: DBACA
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解析
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考点
据考高分专家说，试题“完形填空。 We k.....”主要考查你对 [科教类阅读 ]考点的理解。
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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。
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