试题习题、尽在百度仔细审题、认真作答强化训练10完形填空(二)(45分钟，100分)AVisitorstothedry,hotSonoranDesertofthesouthernArizonaandnorthernMexicoareamazedatthemany-armedgiants.Theyarethesaguarocacti(树形仙人掌),agiantwhichgivesthelandscapeits__1__appearance.Inthedrydesertthesaguarocacticanliveformorethan200years,growtoa__2__of60feet,andhaveasmanyas50arms.More__3__,thesaguarocactistillpersistdespitetheunbearabledesertclimate.Thosethathavegrowntooldagehave__4__droughts,freezes,flashfloods,andbushfiresaswellasthe__5__causedbygroupsofratsthateattheirseedlings(秧苗).Likeallotherdesert__6__,theseleaflessgiantscanstorewaterforuseduringthedesert'slongdryseasonsby__7__waterthroughtheirlongroots.Naturally,thegreatsaguarocactiarea(n)__8__partofthedesertlife.Actuallythegiantsmaybe__9__tomanyanimals,includingwoodpeckers,owls,doves,batsandinsects.Inaddition,afterasaguaro__10__theageof50orso,cold-resistantflowers__11__atthetopoftheplantsonceayear.Theseflowers__12__birds,batsandbees,whichcomeforthehoneyandforthetastyflowerswiththeirblackseeds.__13__thesplendidsaguarosareplentifulintheSouthwest,theyareunfortunately__14__.Thesegiantcactihavegreatvalueinlandscapegardening,andthethievescanearnthousandsofdollarsbyuprootingand__15__themtonurseries(苗圃).Toprotectthesesouthwestern__16__,agentsfortheArizonaDepartmentofAgriculturegoaroundand__17__thedesert.It'samostimportantjobthoughahardone.Butwithoutthesaguarocacti,manydesertanimalswouldsufferalackof__18__andlossofnestingsites.TheSouthwest,too,would__19__somethingofuniqueimportance,sincethesedesertgiantshavebecomea__20__ofthedryregion.1.A.generalB.basicC.uniqueD.lovely2.A.lengthB.heightC.sizeD.width3.A.pleasinglyB.inspiringlyC.interestinglyD.amazingly4.A.livedthroughB.brokenthroughC.cutthroughD.gotthrough5.A.crisisB.damageC.destructionD.load6.A.plantsB.livesC.animalsD.creatures7.A.pouringB.squeezingC.pumpingD.absorbing8.A.independentB.vitalC.originalD.mysterious9.A.spotB.fieldC.homeD.camp10.A.turnsB.takesC.meetsD.gains11.A.comeupB.comeoutC.showoffD.showup12.A.callB.trapC.fascinateD.stick13.A.AsB.ButC.AlthoughD.Yet14.A.indangerB.indemandC.inneedD.incontrol15.A.exchangingB.tradingC.offeringD.selling16.A.treasuresB.decorationsC.possessionsD.creations试题习题、尽在百度仔细审题、认真作答17.A.lookoverB.handoverC.watchoverD.turnover18.A.foodB.sceneryC.waterD.flavor19.A.affectB.abandonC.increaseD.lose20.A.signalB.signC.markD.symbol【语篇解读】本文是一篇环境类的说明文.文章从奇特的形状、生活特性、经济价值等方面介绍了SonoranDesert(索诺兰沙漠)的标志性植物——树形仙人掌.1．解析：根据下文可知，树形仙人掌有多达50个分枝，所以形状“独特”，故选unique“独特的”.general“普通的”；basic“基本的”；lovely“可爱的”.答案：C2．解析：根据前面的“giant”及后面的“60feet”可知，此处表示的是“高度”，因此选height.length“长度”；size“尺寸”；width“宽度”.答案：B3．解析：根据上文可知，游客对树形仙人掌的形状会感到非常惊讶，故此处指更令人惊讶的是它们的适应能力，因此选amazingly.pleasingly“令人愉快地”；inspiringly“鼓舞人心地”；interestingly“有趣地”.答案：D4．解析：根据上下文可知，树形仙人掌“经历”了恶劣环境的考验，livethrough“经历”符合语境.breakthrough“突破”；cutthrough“抄近路穿过，走近路”；getthrough“接通电话，通过考试”.答案：A5．解析：除了恶劣的气候外，树形仙人掌还要遭受老鼠的“破坏”，因此选damage.crisis“危机”；destruction“毁灭”；load“负担”.答案：B...
