It’ s very important that we all recycle (再利用).In nature,everything ___ 26 ___ again.For example ,when an animal dies,it becomes ___ 27 ____ a nimal’s food.Nothing is wasted.But humans ha ve created things like plastic bags ___ 28 ___ ca n’t be broken down by nature.Our rubbish kills animals and __ 29 ___ water and soil.___ 30 ___ we continue making too much rubbish,the prob lem will only get worse.If naturecan’t reuse the rubbish,we must recycle __ 31 __.We should cl ean up the rubbish we’ve made because nature can’t.Recycling is also the right thing to do for another reason.The earth is rich in natural mat erials like water and trees,__ 32 __ these materi als are not endless.We use up our natural mate rials much _ _33 __ than the earth is able to repr oduce them.For example,each year we cut __ 3 4 __ more that 6,000 square miles of forest.But it takes an average of 25 years for a new tree __ 35 __.Recycling can help us save the earth,so l et’s take action right now.26.A.use B.using C.is used D.used 27.A.another B.other C.others D.the other 28.A.who B.which C.how D.wher e 29.A.pollutes B.polluted C.polluting D.is pol luted 30.A.When B.Whether C.Why D.If 31.A.them B.their C.it D.itself 32.A.but B.so C.and D.or 33.A.fastly B.fast C.taster D.fastest 34.A.out B.down C.in D.up 35.A.grows B.for gro wing C.growing D.to grow
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