Question

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 on this tree, we can learn about the 9 for a hundred years. We can see 10 our climate is changing to day.

1. A. tell　　   B. ask　　　　 C. give　　　　  D. get　　　　 

2. A. not　　   B. too　　　　 C. to　　　　    D. also　　　　

3. A. cut down  B. climb up　　 C. walk past　　  D. look at　　  

4. A. many    B. every　　    C. the first　　   D. from　　　　

5. A. how big  B. how long　　 C. how old　　   D. how much　　

6. A. trees    B. leaves　　    C. people　　    D. rings　　　　

7. A. big　　 B. thin　　　　  C. small　　　　 D. thick　　　　

8. A. climate  B. trees　　　　 C. things　　    D. animal　　   

9. A. people   B. things　　   C. climate　　    D. life　　　　 

10. A. how　　 B. why　　    C. when　　　　  D. while

 

Answer 1

答案：C;D;A;B;C;D;B;A;C;A
解析：

1. 树木给予我们很多东西。 2. 也能告诉我们...。 3. 固定短语，砍断，砍倒。 4. 根据常识可知是每年。 5. 树的年龄。 6. 联系上文，选择年轮。 7. 联系下文，选B。 8. 本段主要在讲气候和年轮的关系，所以选择气候。 9. 气候。 10. 怎样。