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When people talk about air pollution, they are usually thinking about outdoor air
1 . But do you know
that there is also air pollution inside homes, offices, hotels and other buildings? The air in your home can be
2 to 100 times more polluted than the air outdoors! In fact, some American doctors say that 50% of illnesses
have
2 to do with polluted indoor air.
A lot of pollution comes from indoor activities
3 smoking and cooking. As most people
4 about 80-90%
of their time inside buildings, it is important to take indoor air pollution seriously, too.
Air pollution influences our health
5 . When the air is polluted, not only young children and old people
suffer from (遭受) it,
6 people with health problems suffer as well. Indoor air pollution can
7 people's eyes,
noses and throats. Air pollution, both indoor and outdoor, can also lead to lung cancer (肺癌) and heart disease!
In the great London fog in 1952, 4,000 people died in a few days
8 the pollution! It is said that half a million
young children and women die each year in India because of indoor air pollution!
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