阅读理解Whydoweneedtothrowlessaway?Therearetworeasons.Oneisthatsomeresources（资源）arenonrenewable（不可再生的）Thatmeansthereisonlyacertainamountofthatresourceintheworld.Oneexampleofthis

　　阅读理解

　　Whydoweneedtothrowlessaway?Therearetworeasons.Oneisthatsomeresources（资源）arenonrenewable（不可再生的）Thatmeansthereisonlyacertainamountofthatresourceintheworld.Oneexampleofthisisoil.Whenweuseupalltheoilintheworldtherewillbenomore.

　　Thereisanotherreasonforthrowinglessaway.Allofourtrashhastobeputsomewhere.Oftenitisputintogarbagedumps（垃圾场）.Muchofthattrashwillbethereforhundredsofyears.Thedumpswillbefilledupwithallthistrash.

　　Therearethreewaystocutdownontrash.

　　Onewayistorecycle.Whenyourecyclesomethingitmeansitismadeintoanothershapeandusedagain.Oldnewspapermaybecomepaperbags.Aglassjarcanbemelted（熔化）andmadeintoabottle.

　　Anotherwaytocutdownontrashistoreusethings.Youcanwashanduseagainabottlethatcanholdmustard（芥末酱）orsomethingelse.

　　Thethirdwaytocutdownontrashistoreducetheamountoftrashyoumakestopbuyingthingthatyoudon’tneedinthefirstplace.Thatreducetheamountoftheearth’sresourcesthatyouuse.

　　1.Howmanyreasonsdoweneedtothrowlessaway?

　　A.Three     B.five      C.two

　　2.Whenyoureusesomethingitmeans      .

　　A.itismadeintoanothershapeandusedagain

　　B.itisusedagain          

　　C.itisn’tusedanymore

　　3.Allthewaysofcuttingdownontrashinthepassageareto  .

　　A.recycleandreusethings   

　　B.recyclesandreducetheamountoftrashyoumake

　　C.reusethingsrecycleandreducetheamountoftrashyoumake

　　4.Ifabrokenplasticboxischangedintoaplasticrulerthewayisto    .

　　A.recycle     B.reuse     C.reduce

　　5.Theword“reduce”inthepassagemeans     .

　　A.还原         B.减少          C.增加