Hundreds of years ago, life was much harder than it is today. People didn’t have modern machine..

Hundredsofyearsago,lifewasmuchharderthanitistoday.Peopledidn’thavemodernmachines.Ther... Hundreds of years ago, life was much harder than it is today. People didn’t have modern machines. There was no modern medicine, either.Life today has brought new problems. One of the biggest is pollution. Water pollution has made our rivers and lakes dirty. It kills our fish and pollutes our drinking water. Noise pollution makes us talk louder and become angry more easily. Air pollution is the most serious kind of pollution. It’s bad to all living things in the world.Cars, planes and factories all pollute our air every day. Sometimes the polluted air is so thick that it is like a quilt over a city. This kind of quilt is called smog.Many countries are making rules to flight pollution. Factories must now clean their water before it is thrown away, and they mustn’t blow dirty smoke into the air.We need to do many other things. We can put waste things in the dustbin and do not throw them on the ground, there will be less pollution.Rules are not enough. Every person must help to fight pollution.小题1:Hundreds of years ago, life was much harder than it is today because ______. A.there were not any modern machines B.there was no modern medicine C.both A and B D.there were not many people 小题2:What is the biggest problem in today’s life? A.Water pollution B.Air pollution C.Noise D.Pollution 小题3:The most serious kind of pollution is ______. A.noise pollution B.air pollution C.water pollution D.A, B and C 小题4:Factories must clean their water ______. A.before they are thrown away B.when they are thrown away C.after it is thrown away D.before it is thrown away 小题5:From the passage we know that ______. A.a few years ago, there was no smog at all B.today people don’t have to talk to each other in a loud voice C.we can drink water from the polluted rivers and lakes D.people are making rules in order to fight pollution 展开
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2014-10-20 · TA获得超过595个赞
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小题1:C
小题2:D
小题3:B
小题4:D
小题5:D

文章介绍了污染问题。
小题1:C 细节题。根据第一段life was much harder than it is today. People didn’t have modern machines. There was no modern medicine, either.可知C正确。
小题2:D 细节题。根据文章第二段One of the biggest is pollution。可知D正确。
小题3:B 细节题。根据第二段第3行Air    pollution is the most serious kind of pollution.可知B正确。
小题4:D细节题。根据文章第四段Factories must now clean their water before it is thrown away可知D正确。
小题5:D 细节题。根据文章第四段Many countries are making rules to flight pollution.可知D正确。
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