No air means death. There is air around us 36we can’t see it. Air is everywhere and it giv

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.
【小题1】A. because B. though C. so
【小题2】A. life B. name 　 C. pleasure
【小题3】A. with B. without C. below
【小题4】A. quiet B. tall 　 C. healthy
【小题5】A. dogs B. trains 　 C. cars
【小题6】A. breathe B. draw 　 C. bring
【小题7】A. animals B. people C. factories
【小题8】A. usually 　　 B. never 　 C. seldom
【小题9】A. helpful 　　 B. dangerous C. necessary
【小题10】A. office 　 B. city C. CountrysideB

(答案→)B 解析：【小题1】此题考查连词，尽管，用though表示【小题2】此题考查名词，give life表示给于生命。【小题3】此题考查介词，表示没有故用without。【小题4】此题考查形容词，根据语境可知keep sb +adj表示让某人保持某种状态，由上文可知选择healthy.【小题5】此题考查名词，在公路上奔跑的是汽车，故用cars 【小题6】此题考查动词，breathe it in and breathe out表示吸进去然后呼出来。【小题7】此题考查名词，根据下文可知说的是工厂。故用factories。【小题8】此题考查副词，表示经常的，用always。【小题9】此题考查固定短语be dangerous to sb表示对某人有危险。【小题10】此题考查名词，表示乡村故用countryside。

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