Disposingofthegarbageweproduceeverydayisamajorproblemincitiesaroundtheworld.IntheUnitedStatesover160milliontonsofgarbageisproducedeveryyear.Tenpercentisrecycledtenpercentisburnedandtherestisputi

　　Disposingofthegarbageweproduceeverydayisamajorproblemincitiesaroundtheworld.IntheUnitedStatesover160milliontonsofgarbageisproducedeveryyear.Tenpercentisrecycledtenpercentisburnedandtherestisputinlandfills.Butfindinglandfornewlandfillsisbecomingmoredifficult.

　　AcitythathassolvedthisprobleminanunusualwayisMachidainTokyo.Theyhavedevelopedatotallynewwayofdealingwithgarbage.Thekeytotheoperationisthatpeopleshouldworktogether.Familiesmustdividetheirgarbageintosixgroups:

　　1.garbagethatcanbeeasilyburnedsuchaskitchenandgardentrash

　　2.garbagethatdoesn’tburneasilysuchasplastictoolsandplastictoys

　　3.productsthatarepoisonousorthatcausepollutionsuchasbatteries

　　4.bottlesandglasscontainersthatcanberecycled

　　5.metalcontainersthatcanberecycled

　　6.largeitemssuchasfurnitureandbicycles

　　TheitemsinGroups1to5arecollectedondifferentdays.Largeitemsareonlycollecteduponrequest.Thenthegarbageistakentoacentrethatlookslikeacleannewofficebuildingorhospital.Insidethecentrespecialequipmentisusedtosortanddealwithgarbage.Almosteverythingcanbereused:gardenorkitchentrashbecomesfertilizer;garbagethatcanburnisburnedtoproduceelectricity;metalcontainersandbottlesarerecycled;andoldfurnitureclothingandotherusefulitemsarecleanedrepairedandresoldcheaplyorgivenaway.Theworkprovidesemploymentforthedisabledandgivesthemachancetolearnnewskills.

　　NowadaysofficialsfromcitiesaroundtheworldvisitMachidatoseewhethertheycanusesomeoftheseideasandtechniquestosolvetheirowngarbageproblems.

　　小题1:EachyearpeopleintheU.S.A.havetofindplacestoputin_______milliontonsofgarbage.

　　A.160 B.128 C.16 D.32

　　小题2:George’sfamilyhasthefollowinggarbage:woodenchairsemptytinsandbranches.Intowhichgroupshouldheputthegarbage?A．Group6Group5Group1.B．Group1Group3Group2.C．Group6Group5Group2.D．Group6Group4Group1.小题3:Fromthetextweknowthat