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（北京2010）BThepopulationoftheEarthisgrowingfaster.ItisimportantthatwelookaftertheEarth.Weneedit.TheEarthgivesusalotofthings.WealsogivetheEarthalot,butsomeofthethingsarenotgood.Innature,whensomethingdies,otheranimalsandplantsgetfoodfromit.Everyanimalorplantgivesfoodforotheranimalsorplants.However,animalscan’tgetfoodfrommanyofthethingsthatwe‘give’theEarth.Animalsandplantscan’teatmetal,plasticandglass.Thesethingswillstayinthegroundformany,many,manyyears.Somerubbishisverydangerousforplantsandanimal.Insomeplace,manyanimalslivetogether.Oneanimalmakesfoodformanymoreanimals.Ifweputrubbishandchemicalsinthewater,theplankton(浮游生物)candie.Ifthereisn’tanyplankton,manyanimalshavenothingtoeat.Sowhatcanwedo?Don’tleaveanyrubbishinthecountryside!Don’tmakesomuchrubbish!51.TheEarthgivesus_______.A.foodB.rubbishC.chemicalsD.pollution52.Whensomethingdiesinnature,_______.A.waterandgrassarepollutedB.plasticandwoodbecomefoodC.otheranimalsandplantsgetfoodD.metalandglassstayintheground53.Wemust______tolookaftertheEarth.A.putmetalinthegroundB.usemorewoodC.keepfrogsinthewaterD.makelessrubbish（兰州2010）B.Becauseearthquakeshappenwithoutwarning,it’simportanttotakestepsnowtoprepare.Becauseyoudon’tknowwhereyouwillbewhenanearthquakehappens,preparesomesuppliesforyourhome,workplace,andcar.1.Water.Apersonneedsatleast1/2gallonofwaterdailyjustfordrinking.Storeatleast1gallonofwaterperpersonperdayandbepreparedfora72-hourperiod.Itissuggestedthatyoubuybottledwater.Keepbottledwaterinitsoriginalcontaineranddonotopenituntilyouneedtouseit.Also,docheckthe“useby”date.2.Food.It’salwaysapracticalideatokeepasupplyofnon-perishable(不易腐烂的)foodonhand.Haveanenoughsupplyofcannedfood,powderedmilk,driedfruits,non-saltednutsandcannedjuicesforatleast72hours.3.Flashlights(手电筒)andsparebatteries.Keepaflashlightbesideyourbed,atyourplaceofwork,andinyourcar.Donotusematchesorcandlesafteranearthquakeuntilyouaresurethatnogasleaks.Prepareabattery-poweredradioandsparebatteries.Mosttelephoneswillbeoutoforder,soradioswillbeyourbestsourceofinformation.4.Clothes.Ifyouliveinacoldplace,youmustthinkaboutwarmth.Youmightnothaveheatafteranearthquake.Thinkaboutyourclothingandbeddingsupplies.56.Whyshouldpeoplepreparethemselvesforanearthquake?A.Becauseearthquakescanbeknownbeforetheyhappen.B.Becauseearthquakestakeplacewithoutwarning.C.Becauseearthquakesusuallytakeplaceintheneighborhood.D.Becauseit’speople’sdailyworktopreparetheearthquakes.57.Aboutthepreparedwater,whichdescriptionisRIGHT?A.Apersonshouldprepare0.5gallonofwaterforoneday.B.You’dbetteruseyourowncontainerstokeepwater.C.You’dbetteropenthebottledwaterwhenyoubuyit.D.Youshouldn’topenthebottledwateruntilyouneedit.58.Youshouldprepareallofthefollowingexcept______.A.powderedmilkB.freshvegetablesC.driedfruitsD.cannedjuices59.Accordingtothearticleweknowthat______.A.weneedtopreparesomesuppliesonlyathomeB.atelephoneisthemostimportantpreparedthingC.flashlightsbutnotmatchesarefirstusedafterearthquakesD.clothesareusedtoprotectyourhead60.Ifyouliveinacoldplace,youshouldprepare_______.A.somewarmclothesandbeddingsuppliesB.somehotwaterC.somebatteriesD.someflashlights（桂林2010）DDreamsareexpressionsofthoughts,feelingsandeventsthatpassthroughourmindwhilewearesleeping.Everybodydreams.Butonlysomepeopleremembertheirdreams.Ourdreamsoftenincludeallthesenses—smells,sounds,sights,tastesandt...