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water pollution 水污染
noise pollution 噪音污染
air pollution 空气污染
waste pollution 废品污染
The a______ is polluted by waste gas.
Factories produce a lot of w____ gas.
Cars produce waste gas as well.
H______ also makes waste gas.
ir
uman
aste
The earth is polluted by p_____ and m_____.
People t______ away plastic bags, mobile phones and cars.
lastic
etal
hrow
Many people like going shopping with plastic bags(塑料袋）. What’s more, they throw them away everywhere.
It is called white pollution.（白色污染）
It is bad for our health and destroy our soil（泥土）.
The r______ is polluted by dirty water.
Factories p_______ the river, so the fish died.
Because of pollution, our e__________ is becoming worse and worse.
So e_____________ problem is very serious now.
olluted
nvironment
nvironmental
Oil polluted the o______ , so the bird died.
cean
iver
What do you often have for meals?