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师梦圆初中英语教材同步人教版九年级全一册Section A 2a—2d下载详情
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A. land pollution

B. air pollution

C. noise pollution

D. water pollution

2a

2b

Listen and find out what caused the air pollution?

1. because there are __________ on the road

these days.

2. Factories that burn _____ also

_______the air with a lot of black_______.

3.

more cars

coal

pollute

Q: Why is the air badly polluted?

smoke

people often set off firecrackers

2b

Listen and find out what caused the land pollution?

1. People are_______________ things every day

2. People are also _______ in public places like parks.

3 people don't konw the importance of protecting the environment

throwing away

littering

Q: Why is there too much rubbish and waste?

2b

The air is badly polluted:

1. because there are __________ on the road

these days.

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