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能提出一些保护环境的措施。
板书设计：
Unit6 Keep our city clean
Enivroment（环境） cause（原因） Mesure（措施）
The air is dirty. smoke take the bus and the metro...
The streets are dirty and messy rubbish walk to ...
The river is dirty. move the factories away from...
The fish are dead. put the rubbish in the bin
plant more trees
教学过程：
Step1 Warm up
Greetings
Free talk
T：What do you usually do at the weekend?
What did you do last weekend?
S:...
T: Last weekend , I went to many interesting places in Changshu. I took some photos.
Now let me show you.
Step 2 Presentation
承上，出示一些常熟的一些风景照片。
T：Do you like our city？
S：Yes, we do.
T：Why？
Ss：Because it’s beautiful and clean.
T：Yes，the air and the river are clean.
新授air，river
PPT出示Su Yang上课的图片，放大黑板上的四副照片。
T：Look at Su Yang’s City? Is it clean?
Ss: No.
T: It’s dirty and messy.