Unit 9 Saving the earth
I. Speaking
Task 1 Our earth is in danger!
Directions: Here are the major problems facing the earth. Work with your partner and figure out the causes and possible solutions.
Problems Causes Solutions
1.water pollution
2.Trash / garbage
3. Air pollution
4.Deforestation (采伐森林)
5. Desertification (沙漠化)
6. Hunger
7. Deadly diseases
8. _____________
Task 2 What's the biggest problem?
Directions: Among the problems listed above, which do you think is the biggest one? If you partner disagrees, then you'll have to persuade him/her.
Task 3 Polar bears' problem.
Directions: Go through the following passage and finish off the tasks.
1. Complete the text with the phrases: A. on average; B. wait for; C.
下载：
010416_4c5b6d8b2e943.doc(134.5 KB, 下载次数: 79)
发表于 2016-7-12 13:47:05
