资源看点：2009年通辽市中考英语试题，有听力部分和笔试部分，是中考考前练兵的好材料。

六、完形填空。（每小题1分，共10分）
阅读下面短文，从短文后所给各题的A、B、C、D四个选项中选出可以填入空白处的最佳答案，并将代表正确选项的字母填入题前括号内。
More and more scientists are interested in learning about dinosaurs(恐龙).They want to find the reasons    41   the dinosurs died out.
Most scientists think that millions of years 42 ， dinosaurs could live on the earth happily and safely because the 43 earth was warm and wet at that time. There were green 44 everywhere. Dinosaurs could easily find enough 45 . About 95 million years ago, most of the earth became cold and dry because a little planet hit the earth heavily. As a result, almost all the forests 46 . The dinosaurs couldn't find enough food. Most of them    47 .
But some scientists 48 think so. They think fighting between the animals is the main reason of the dinosaurs' 49 . They think about 95 million years ago, new kinds of animals came to the earth. Most of them had big brains (大脑)and they killed many dinosaurs .Besides, there were also many fights between the dinosaurs. Although these fights happened more than 100 million years ago, 50 we can tell by the animal's footprints (脚印)that fights did take pi ace.