【文章內(nèi)容簡介】 ( )42. A “decibel” is a machine that makes loud noise. ( )43. Loud noise can help people sleep better. ( )44. Not all people think that rock music is a noise. ( ) can infer (推斷 ) from the passage that noise is a serious problem. B 閱讀下面的短文，并根據(jù)短文內(nèi)容回答問題。 （ 10 分） The students were having their chemistry class. Miss Li was telling the children what water was like. After that, she asked her students,“ What39。s water?” No one spoke for a few minutes. Miss Li asked again, Why don39。t you answer my question? Didn’t I tell you what water is like?” Just then a boy put up his hand and said, “ Miss Li, you told us that water has no color and no smell. But where to find such kind of water? The water in the river behind my house is always black and it has bad smell.” Most of the children agreed with him. “ I39。m sorry, children.” said the teacher,“ Our water is getting dirtier and dirtier. That’s a serious problem.” 46. Did the teacher tell the students what water is like? 47. What did the teacher tell the students water is like in chemistry class? 48. Why does the water in the river have color and smell? 49. Do you think the boy who answered the teacher’s question is stupid? 50. What did other students think of the boy? C 閱讀短文，從每題所給的 A、 B、 C 三個選項中，選出最佳選項。（ 10 分） A kind of little cars may take the place of today’s big ones many years later. If everyone drives such cars in the future, there will be less pollution in the air. There will also be more space for parking in cities, and the streets will be less crowded. The little cars of the future will cost less. Driving will be safer, too, since these little cars can go only 65 kilometers an hour. The cars of the future will be fine for going around a city, but they will not be useful for a long way. Little cars will go 450 kilometers before they need to stop for more gasoline (汽油 ). If big cars are still used with the small ones, two kinds of roads will be needed in the future. Some roads will be needed for the big, faster cars and other roads will be needed for the small, slower ones. ( )51. There is much pollution in the air today because _____. A. people drive big cars B. people drive little cars C. small cars will go 450 kilometers before they need to stop for more gasoline ( )52. The usual size of cars today is _____. A. much smaller than the future one B. bigger than the future ones C. as small as the future ones ( ) of the following statements (陳述 ) is NOT true? A. Big cars cost more. B. Big cars are not useful for a long way. C. The cars of the future will be smaller than today’s cars. ( )54. The streets will be less crowded because _____. A. there will be fewer cars in the future B. there will be fewer people in the streets C. future cars will be smaller ( )55. Two kinds of roads will be needed in the future because _____. A. there will be too many cars in the future B. more and more people will go