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本课中四会及三会单词的正确读音。
能运用所学词句复述或表演课文章节。
教学过程：
Step 1 Greetings
Step 2 Pre-reading
T: Which city do the birds like?A or B？
Show some pictures of CityA and City B.
T:Do you like this city? Why ?
S:Because it’s beautiful and clean.
T:Me too.
T:Do you like this city? Why?
S:Because it’s not clean。
T:It’s messy and dirty.
T: What about our city Jingjiang?Look at the weather forecast.
How is the air today?
Ss: It’s dirty.
T: Yes, the air in Jingjiang is dirty. Why? Boys and girls, I took some photos of our city.
Let’s have a look. (课件播放有关靖江环境问题的照片）
We don’t like the dirty city.So we should keep our city clean.
呈现标题——Keep our city clean.
Ask for Volunteers.
T:Now Jingjiang is establishing National Civilized City.(创建全国文明城市) Would you like to be a volunteer? To be a volunteer, you have three tasks:
Step 3 While-reading
1.Task1: What makes our city dirty?
(1) Watch and choose. 学习rubbish.
(2) Read and finish.(阅读P58，划出导致城市脏乱的句子。)
（3）Ask and answer.
(4) T: If the air and water in our city are dirty, our daily life will be influenced .
We will have no fresh air to breath, no green vegetables to eat, no clean water to drink...
Task 2: What can we do to keep our city clean?