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No air means death. There is air around us 36 we can’t see it. Air is everywhere and it gives 37 to every living thing. We can’t live 38 it. Bad air makes people ill. We must have fresh air to keep us 39 .
In the city there are a lot of people and there are too many 40 running on the road. The gas which the car sends out is made up of(组成) bad gases. Every day we 41 it in and out. This makes us feel sick. There are many 42 , too. From the chimneys(烟囱) of these factories, we 43 get the smoke in black color. This kind of smoke is 44 to our health. So in order to keep us healthy, we have to go out to the 45 to breathe more fresh air. Or we can go up hills to get more fresh air.
1.A. because B. though C. so
2.A. life B. name C. pleasure
3.A. with B. without C. below
4.A. quiet B. tall C. healthy
5.A. dogs B. trains C. cars
6.A. breathe B. draw C. bring
7.A. animals B. people C. factories
8.A. usually B. never C. seldom
9.A. helpful B. dangerous C. necessary
10.A. office B. city C. Countryside
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Miss Wang is twenty-three years 41 . She likes children and her 42 work. From Monday to Friday she stays at 43 and gives the children classes. She has much work 44 , but she often plays sports 45 her students after school. The children like 46 very much.
47 Saturday she drives her car to her father’s house and 48 with her father and mother. Sometimes she goes to see her friends on Sunday. She drives back 49 school on Monday morning.
She 50 singing and swimming. She’s a nice girl.
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