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The factory is causing a lot of pollution.
There are some glasses and paper.
Some wastes can be recycled in this factory.
Know the fact of the environment.Step 4Listen and complete the sentences.
1. The factory is causing a lot of __________.
2. There should be some ________ to stop the pollution.
3. We can ________ waste products, such as ________ and paper in a recycling centre.Step 5Listen to the conversation and find out what polluted the environment.
Factories and cars polluted environment.Step 6Language points
1.pollution n. 污染；污染物
The air pollution has become a big problem.
Pollute v. 污染；弄脏
Don’t pollute our rivers with waste.
Polluted adj. 被污染的
Many rivers are polluted now.
2. be a danger to sb. / sth.: 对某人 / 某物有危害
Smoking is a serious danger to health.
be in danger: 处于危险中 out of danger: 脱离危险
3. oil: 石油；油；油画颜料
The price of oil has gone up.
cause: v. 引起；导致 n. 原因；起因
What caused his death? What’s the cause of his illness?
4. It’s no use / good doing sth. 做某事是没用的
It’s no use talking without doing.
It’s no use crying over spilt milk.
5. waste n. 废料；废弃物 Put all the waste in his bag.
It’s a waste of time / money doing sth. 做某事是浪费时间/ 金钱
It’s a waste of time talking to her.
waste time (in) doing sth.:浪费时间做某事
Don’t waste time (in) playing computer games.
waste time / money on sth.:在某事在浪费时间或金钱