5、自然保护区_____________________　 6、帮助某人解决问题_____________________

3、人造建筑　 _____________________　 4、越来越糟　 _____________________

1、大熊猫 _____________________　　 2、10平方公里_____________________

　　 What disasters do you know? Write an article for your friends. Use at least two comparisons. (Words: at least 80 words)

Unit5--A

　 We sometimes say the lion is “the king of the jungle” because it is stronger and ___1___ 　than the other animals. It can run faster than 　__2 ___ other animals and it can hunt the 　__3 __ . The lion is the　 　___4__ 　animal in the land food chain. In the sea, the shark is at the top of the food chain. What is at the top of the world’s food chain? People are! We are not the biggest of fastest , but we are the 　___5__ 　.We could not fight　 　__6___ 　than a lion, so we invented guns. Now we can hunt the best.

　 People’s inventions are clever, but they can　 ___ 7___ 　, too. For example, many years ago in Inner Mongolia, people　 　__8 ___ guns to kill a lot of wild wolves. Then the number of wild rabbits is becoming　 　__9 __　 because there is no wolf eating them. The wild rabbits competed for the grass with the sheep and cows. Much of the grassland became desert because it was seriously　 __ 10 __ by the rabbits.

　 Remember that we are a part of the food chain, so we are in danger, too! If　 we protect　 animals, we are protecting ourselves.

1.(　 )A. dangerous　　 B. dangerouser　　　 C. less dangerous　　 D. more dangerous

2.(　 )A. less　　　　　 B. least　　　　　　 C. most　　　　　　 D. more

3.(　 )A. better　　　　 B. bad　　　　　　　 C. best　　　　　　 D. worse

4.(　 )A. high　　　　 B. tall　　　　　　　 C. tallest　　　　　 D. highest

5.(　 )A. cleverest　　　 B . cleverer　　　　 C. clever　　　　　 D. foolish

6.(　 )A. better　　　　 B. good　　　　　　 C. bad　　　　　 　D. worse

7.(　 )A. dangerous　　 B. more dangerous　　 C. be dangerous　　 D. is dangerous

8.(　 )A. uses　　　　　 B. used　　　　　　 C. using　　　　　 D. use

9.(　 )A. smaller and smaller　　　　　 B. biger and biger

C. big and big　　　　　　　　 D. bigger and bigger

10.(　 )A. destroyed　　　 B. destroyed　　　　 C. destroy　　　 D. destroying

5.这些极其高的山脉吸引着全世界的登山者。

These __________ high mountains _________　 _________from all over the world.

4. 珠穆朗玛峰的高度是8，844米。

　The___________ of Qomolangma is 8,844 ________　 _______.

3. 在世界上没有像长城一样大的人造建筑。

　 There are no __________　 __________　 _________big as the Great Wall.

2. 猎豹每小时能跑100公里。

The cheetah can _______100 kilometers _________　 _______.