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师梦圆初中英语教材同步科普版九年级上册Section B下载详情
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内容预览

what kinds of pollution do you know around us?

........

There are many kinds of pollution around us,

air pollution

light pollution

litter

water pollution

soil pollution

noise pollution

Who made these pollution?

Humans

How do humans made these pollution?

cut down trees

throw away litter

kill animals

pruduce waste gas

Pour waste water into rivers

Use disposable(一次性的) plastic products

Waste resource

...........and so on

Pollution has caused too many problems for us.

Such as :

disease

greenhouse effect

endangered animanls

Land desertification(荒漠化)

acid rain

So how to protect our environment?

Do you want to be a greener person?

1b Listen to 1a and choose the correct answers.

教材