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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 2 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 3 to do with polluted indoor air.
A lot of pollution comes from indoor activities 4 smoking and cooking. As most people 5 about 80-90% of their time inside buildings, it is important to take indoor air pollution seriously, too.
Air pollution influences our health 6 . When the air is polluted, not only young children and old people suffer from it, 7 people with health problems suffer as well. Indoor air pollution can 8 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 9 the pollution! 10 is said that half a million young children and women die each year in India because of indoor air pollution!
1. A.pollution B.sadness C.illness D.business
2. A.too B.none C.also D.neither
3. A.nothing B.everything C.something D.anything
4. A.as well as B.such as C.instead of D.for example
5. A.take B.cost C.give D.spend
6. A.in many ways B.in many things C.in many houses D.by the way
7. A.and B.but C.or D.until
8. A.hit B.hurt C.polluted D.destroyed
9. A.because of B.thanks to C.related to D.or
10. A.This B.That C.What D.It
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The poor countries have some difficult problems. Sometimes the land is too poor to grow 32 on. People there have 33 rich land nor enough water. The land 34 be made better, but a lot of things must be done. The people must be taught and water must 35 .
But rich countries have problems, too. There are not always good places to 36 . Sometimes the air is not clean and the rivers are too 37 to swim in or to drink. The roads and streets are full of people and cars. Cars and buses have to move 38 . Noise is too much. Some people have no houses to live in. Something must be done about these problems. The air and the rivers must be cleaned and be 39 clean. More houses have to be built. 40 these things cannot be done easily.
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Smiling is the most attractive human behavior. The power of smiling can work out many wonders. I love to take a walk around the small neighborhood where I live. Whoever I meet on the way, they always give me a friendly greeting with a nice smile as soon as our eyes contact 1 . I smile back. This kind of smiling exchange represents the most 2 part of my jogging experience in the States.
My daughter's smile is just like sunlight, which warms me inside the same way 3 the sun warms my body. It can clear away any clouds and unpleasant feelings. The smile of my wife, however, makes me enjoy the 4 of an elegant woman, it can sometimes relax me quite a lot.
Julia Robert's 5 is nothing but roaring like an earthquake. Americans may have 6 opinions in many things, but they all agree that Julia is America's sweetheart. Her laugh plays a very good part in her acting. Once I tried some candy in a store, the owner asked me how sweet the candy is, I said sweeter than Julia Robert. 7 both of us broke into a kind of Julia's laugh. Yes, laugh is something we can not do without. Otherwise, our life would be too 8 .
Smiling does not belong to human alone. Once I stayed at an American home and he had a little dog named Mini. When I held her gently and asked her to give me a little smile, 9 just opened her mouth wide and half closed her eyes, looking like smiling.
Los Angles is not only the place where it has the most sunshine in a year, 10 where most people smile! That’s why so many people love to travel there all year round.
1. A.contact B.close C.change D.open
2. A.fashionable B.painful C.enjoyable D.educational
3. A.though B.like C.as D.from
4. A.pride B.courage C.success D.beauty
5. A.cry B.laugh C.smile D.performance
6. A.different B.similar C.same D.strange
7. A.All B.Both C.Neither D.None
8. A.lonely B.cool C.sunny D.sad
9. A.it B.she C.he D.I
10. A.even though B.as if C.so that D.but also
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The poor countries have some difficult problems. Sometimes the land is too poor to grow 32 on. People there have 33 rich land nor enough water. The land 34 be made better, but a lot of things must be done. The people must be taught and water must 35 .
But rich countries have problems, too. There are not always good places to 36 . Sometimes the air is not clean and the rivers are too 37 to swim in or to drink. The roads and streets are full of people and cars. Cars and buses have to move 38 . Noise is too much. Some people have no houses to live in. Something must be done about these problems. The air and the rivers must be cleaned and be 39 clean. More houses have to be built. 40 these things cannot be done easily.
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