假期来了，大家是不是特别开心呀?但是小编提醒大家：我们还是个学生，主要任务还是学习哦!鉴于此，小编精心准备了这篇2014年初三英语寒假作业之完形填空，希望对您有所帮助!

When people talk about air pollution, they are usually thinking about outdoor air 21 . 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 22 to do with polluted indoor air.

A lot of pollution comes from indoor activities 23 smoking and cooking. As most people 24 about 80%-90% of their time inside buildings, it is important to take indoor air pollution seriously, too.

Air pollution influences our health 25 . When the air is polluted, not only young children and old people 26 from it, 27 people with health problems suffer as well. Indoor air pollution can 28 people’s eyes, noses and throats. Air pollution, both indoor and outdoor, can also 29 to lung cancer and heart disease! In the great London fog in 1952, 4, 000 people died in a few days 30 the pollution! It is said that half a million young children and women die each year in India because of indoor air pollution!

( )21.A.pollution B.pollute C.polluting D.polluted

( )22.A.nothing B.everything C.something D.anything

( )23.A.as well as B.such as C.instead of D.so as

( )24.A.take B.cost C.spend D.give

( )25.A.in many ways B.in many things C.in many houses D.in many years

( )26.A.endure B.bear C.stand D.suffer

( )27.A.and B.but C.or D.while

( )28.A.hit B.hurt C.pollut D.beat

( )29.A.cause B.get C.give D.lead

( )30.A.because of B.thanks to C.related to D.because

以上就是2014年初三英语寒假作业之完形填空的全部内容，希望你做完作业后可以对书本知识有新的体会，愿您学习愉快。

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