Besides so many cars ,there are many factories too .From the chimneys (烟囱)of these factories ,we get the smoke usually in black and grey colour .This kind of smoke ,when it mixes the air ,is dangerous to our health .It is because smoke contains many poisonous solids and gases .So in order to keep us healthy we have to go out to the countryside to breathe more fresh air .Or we can go up hills to get more fresh air .
60.Which of the following best explains that no air means death?
A.Air gives life to every living thing
B.Air can’t be seen anywhere around us
C.Bad air makes people sick
D.Fresh air keeps people healthy
61.According to the passage ,we know that
.
A.going up hills is very good to our health
B.smoke from chimneys is more serious than gas from cars
C.we shouldn’t go out of doors as much as possible
D.a great many people have to breathe air in again and again
62.The best title for the passage is
.
A.Fresh Air B.The Use of Air C.Breathing Air D.Bad Air
C
For years ,many people would not believe that one thing smoke could attack so many parts of the body in so many ways .Study shows ,however ,that tobacco isn’t one single thing .At least 60% of it is gas —20 different kinds of gas .And one of these is the deadly carbon monoxide(CO)(一氧化碳)
【高考英语总复习测试题-36】相关文章:
★ 2017届高考英语一轮总复习精选测试题北师大版选修八Unit 23 A卷
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