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（四）教学重点
让学生能够用下面句型表达环境保护问题：
The air is badly polluted.
Factories that burn coal pollute the air with a lot of black smoke.
There is also too much rubbish and waste.
...
（五）教学难点
根据所学目标语言，能够准确地完成听说训练。
二、教学目标
（一）知识与技能目标：
1、能掌握以下单词:pollution,rubbish,chopsticks等等
2、能掌握以下句型:
The air is badly polluted.
Because there are more cars on the road these days.
Factories that burn coal pollute the air with lots of black smoke.
There is also too much rubbish and waste.
People throw things every day.
People are also littering in public places like parks. This is turning beautiful places into ugly ones.等等
（二）过程与方法目标：
注重学生的学习的过程，启发学生思维思考问题。
（三）情感态度与价值观目标：
有环境危机意识，学会关注环境保护环境
三、教学过程
（一）环节一Leading-in
Show some pictures.for example, the clean air and the polluted
air;the clean water and dirty water;the beautiful park and a park
with rubbish.And talk about the kinds of pollution.. .
T: What can you see in the picture?
S: The blue sky...
T: What can you see in this picture?