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（3）Emotional aims:（环境知识） 让学生了解环境污染的严重性，树立环保意识。
A: Where have you been/traveled?
B: I have been/traveled to ...
Have you ever had a picnic（野餐）?
Kangkang, Jane, Maria and Michael are planning a picnic for Sunday.（正在计划周日去野餐）
They will go to the West Hill.
Listen to 1a and answer:
Where will they go ?
What can you see there?
We can see bees and butterflies dancing.
bee
butterfly
Is the West Hill beautiful?
a place with
beautiful flowers
many hills
green trees
What a shame/mess!
真是一团糟！
The flowers and grass have gone!
花草都没有了！
The flowers and grass have gone!
Oh, my goodness. What a mess!
Look! There are several chemical factories pouring waste water into the stream.
= have disappeared.
Is it beautiful now?
What has happened there?
P27 1a mp3
不见了
waste water