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《Unit Four People and the Environment Lesson 1 Population Problems》优秀公开课ppt课件（八年级下册）
waste paper
Waste water. 浪费水。
Don’t waste paper. 不要浪费纸。
waste
adj.
v.
There are several chemical
factories pouring waste water
into the stream.有几家化工厂正在往小溪里排放废水。
There be…doing sth…
……有……在做某事
e.g. There are some people waiting for the bus at the bus stop.
倒出；倾泻
pour… into… 把……倒入……
e.g. Pour red wine into the glass.
1. People _____ _____ _____ too many trees, so
I don’t have enough leaves to eat.
2. I live in trees but now many trees _____ _____.
3. I like leaves and grass, but now they _____
____________.
4. I _____ _____ hungry for months because of
less bamboo.
5. Human polluted the sea, so I _____ _____ _____.
6. The water _____ _____ many years ago. But it
_____ _____ _____ for me to live in now.