阅读理解。Adesertisaverydrylandwherethereishardlyanyrain.Intheday,itcanbesohotthatyoucouldfryaneggontheground.Butduringthenightitissometimessocouldthatwaterwould

　　阅读理解。

　　Adesertisaverydrylandwherethereishardlyanyrain.Intheday,itcanbesohotthatyou

　　couldfryaneggontheground.Butduringthenightitissometimessocouldthatwaterwouldturn

　　intoice.

　　Manydessertsarecoveredinsand.Butsomehavemountains,rocks,orlakesthathavedriedup

　　intheheat.TheGreatAmericanDesserthascliffs(悬崖)thathavebeenmadeintoamazingand

　　beautifulshapesbythewind.TheSaharaDesertinAfricaismostlysand.TheAustralianDeserthas

　　redsand.

　　Sometimesitdoesnotrainforawholeyearinthedesert.Butthereiswaterdeepundertheground

　　andsomeplantshaverootsthatgoverydeeptofindit.Otherplantshaverootsthatspreadout(延伸)

　　alongwaysotheycansuckuptherainassoonasitfalls.

　　Onedesertplantisthecactus,whichhaslong,spreadingroots.Thecactusstoreswaterinside

　　itshardskin.Thisskinprotectsitfromheatandcold.

　　Camelsareabitlikecactusplants!Theystorewatertoo-insidetheirbodies.Theyhavespecialfur

　　whichprotectsthemfromthesunduringthedayandkeepsthemwarmatnight.

　　Someotheranimalsliveindeserts,too.Theyhavetobeverygoodatseeingandhearingbecause

　　mostofthemonlycomeoutatnight.Thisiswhymanydesertanimalshaveextrabigeyesorears.

　　Adesertfoxhasbiggerearsthananormalfor.Agerbilhashugeeye,sothatitcanseeatnight.

　　Itstayscoolinthedaybystayingunderground,likemostdesertanimals.

　　Somepeopleliveinthedesertbuttheyalwaysmaketheirhomesnearanoasis.Anoasisiswhere

　　watercomesfromanundergroundriver.Nearanoasis,peoplecangrowlotsofplantsandkeep

　　animals.

　　Lifeishardinthedesert,forpeople,animalsandplants.Butdesertpeopleliketolivethere.1.Adesertisverydrybecause_________.A.itissandy

　　B.ther