Hundredsofyearsago,lifewasmuchharderthanitistoday.Peopledidn’thavemodernmachines.Therewasnomodernmedicine,either.Lifetodayhasbroughtnewproblems.Thebiggestoneispollution.Waterpollutionhasmadeourriversandlakesdirty.Itkillsourfishandpollutesourdrinkingwater.Noisepollutionmakesustalklouderandbecomeangrymoreeasily.Airpollutionisthemostseriouskindofpollution.It’sbadtoalllivingthingsintheworld.
Cars,planesandfactoriesallpolluteouraireveryday.Sometimesthepolluteairissothickthatitislikeaquiltoveracity.Thiskindofquiltiscalledsmog.Manycountriesaremakingrulestofightpollution.Factoriesmustnowcleantheirwaterbeforeitisthrownaway,theymustn’tblowdirtysmokeintotheair.Weneedtodomanyotherthings.Wecanputwastethingsinthedustbinandnotthrowthemontheground.Wecangotoworkbybusorwithourfriendsinthesamecar.Iftherearefewerpeopledriving,therewillbelesspollution.
()1.Hundredsofyearsago,lifewasmuchharderthanitistodaybecause_____.
A.therewerenotanymodernmachinesB.therewasnomodernmedicine
C.bothAandBD.therewerenotmanypeople
()2.Whatisthebiggestproblemintoday’slife?
A.Pollution.B.AirpollutionC.NoiseD.Waterpollution
()3.Themostseriouskindofpollutionis______.
A.noisepollutionB.airpollutionC.WaterpollutionD.A,BandC
()4.Factoriesmustcleantheirwater______.
A.beforetheyarethrownawayB.whentheyarethrownaway
C.afteritisthrownawayD.beforeitisthrownaway
()5.Fromthispassageweknowthat______.
A.afewyearsagotherewasnosmokeattall
B.todaypeopledon’thavetotalktoeachotherloudly
C.wecandrinkwaterfromthepollutedriversandlakes
D.peoplearemakingrulestofightpollution