阅读理解Hundredsofyearsago,lifewasmuc

阅读理解 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 pollution1.Hundreds of years ago, life was much harder than it is today because ______A.there were not any modern machinesB.there was no modern medicineC.both A and BD.there were not many people2.What is the biggest problem in today’s life?A.Water pollutionB.Air pollutionC.NoiseD.Pollution3.The most serious kind of pollution is ______A.noise pollutionB.air pollutionC.water pollutionD.A, B and C4.Factories must clean their water ______A.before they are thrown awayB.when they are thrown awayC.after it is thrown awayD.before it is thrown away5.From the passage we know that ______A.a few years ago, there was no smog at allB.today people don’t have to talk to each other in a loud voiceC.we can drink water from the polluted rivers and lakesD.people are making rules in order to fight pollution

CDBDD解析文章介绍了污染问题。
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。
2.D 细节题。根据文章第二段One of the biggest is pollution。可知D正确。
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。
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。
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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