求英语大神做阅读(急）

求英语大神做阅读(急）1.Hundredsofyearsago,lifewasmuchharderthanitistodaybecause__________.A.therewerenotanymodernmachinesB.therewasnomodernmedicineC.bothAandBD.therewerenotmanypeople2._________________isoneofthebiggestproblemsintoday’slifeA.WaterpollutionB.AirpollutionC.NoiseD.Noneoftheabove3.Fromthepassage,wecanlearnthatcleanair\sveryimportantto_____________.A.someofthethingsB.animalsonlyC.allthethingsD.everylivingthing4.Inordertopreventpollution,_______________________.A.factoriesmustmakethewastewatercleanbeforetheyarethrownawayB.factoriesmustmakethesmokecleanbeforeitissentintoairC.wemustthrowwastethingsonlyinoneplaceD.wemustn'tthrowanywasteaway5.Fromthepassagewecaninferthatifwewanttopreventpollutioninbigcities______.A.wemusttakenocarsoutB.wecanonlytakebuseswhenwegooutC.busesshouldcomefirstD.bigcarsaremoreimportantthanbuses