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cut down the trees
plant trees
spit in public
pick flowers
v. 吐痰
Listen to 1a, answer the question
What’s the article about?
Air pollution..
2
3
4
1
5
1b Listen to 1a and number the following pictures.
Listen to 1a again and complete the table.
Should do
Shouldn’t do
1._________ wild animals
2.plant_______
3.do________we can
1.________rubbish here and there
2.________ anywhere in public
3.________ on grass
4.pick_______
care for
more trees
everything
leave
spit
walk