中考英语提高训练：阅读理解题（19）

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1、中考英语提高训练：阅读理解题（19）　　WhentheAudetfamilyturnsonthelightsatBlueFarm,theyareusingelectricitythatcomesfromcows-cowmanure，tobespecific。　　Cowsproducealotofwastes.Onecowcancreate30gallonsofwasteseachday.Nowimaginetheoutputofover1,000cowsatBlueFarm.That’sreally

2、abigamount。　　Whenfarmerscleantheirbarns,theyputthewastesinabigheap,andspreadsomeofthemontheirfieldsforfertilizer。ButnowplaceslikeBlueSpruceFarmhaveanewwayofusingcowwastes.Theyusethemtoproduceelectricity。　　Here’showitworks:Abigmachinemovesbackandforthcl

3、eaningthebarnfloor.“Thecowsaren’tbothered,”saysMarieAudet.“Theyareanimalsofhabit;theygetusedtoit,andjustliftonefootandthenanothertoletitgoby.”　　Themachinepushesthemanureintoabig600-gallontanklikeasmallswimmingpool.Thetankiscalledadigesterbecausewhathap

4、pensthereisjustlikewhathappensinsideacow:Bacteriagettoworkandcontinuetodigestthemanure。　　Methanegasintheatmosphereisknownasa“greenhouse”gasbecauseitkeepsheatjustlikeagreenhousedoes,causingourplanettowarmup.That’sanenvironmentalconcern.Butthedigesterhas

5、agoodresult.Itsgasiskeptandusedtopowerelectricgenerators。　　AtBlueFarm,thegeneratorsmakeenoughelectricitytopower400homes.TheAudetfamilysellstheextraelectricitytheycan’tusethemselves。　　51.WelearnfromthetextthattheAudetfamilyisusingcowwastesto______。　　A.m

6、akeelectricity　　B.producefertilizer　　C.buildtheirfarm　　D.feedthecows　　52.HowarethecowwastescollectedintothedigesteratBlueFarm?　　A.MarieAudetdoesthework　　B.Thejobisdonebymachine　　C.Thecowsliftthecowwastes　　D.Bacteriagettoworkonthem　　53.Accordingtothepas

7、sage,whichofthefollowingischangedintoelectricity?　　A.Thepowerofmovingwater.　　B.Theheatofburningcoal。　　C.Thepowerofsunlight.　　D.Theheatofthemethanegas　　54.ThenewwayofusingcowwastesatBlueFarmmightbebestdescribedas______。　　A.reducing　　B.saving　　C.recyclin

8、g　　D.changing　　55.Whatisthemainpurposeforwritingthepassage?　　A.Tointroduceanewwayofmakingelectricity　　B.Toexplainhowanewenergyworksbetter　　C.Toshowanewrebuildingplanforabigfarm　　D.Toexplainthereasonsforgreenhouseeffect