2021昆明市高考英語(yǔ)完形填空、閱讀理解四月自練及答案6

閱讀理解。閱讀下列短文,從給的四個(gè)選項(xiàng)(A、B、C和D)中,選出最佳選項(xiàng)。Today,ultrasonic(超聲的)wavesarebeingputtoworkinlaboratoriesandfactories.Ifanultrasoundgeneratorisplacedinaliquid,thewavesmovetheliquidbackandforthhundredsofthousandsoftimeseachsecond.Thiscausesmaterialstomixquicklyortodissolve(使分解，使溶解)inliquids.Paintmanufacturers(制造商)useultrasoundtodoabetterjobofblendingcolors.Thecompaniesthatmakefilmforyourcamerafindthatmixingchemicalsbytheuseofsoundwaveswillproduceamoresensitivefilm.Thenewlightweight(輕量的)typeofwashingmachineusesultrasonicwavestogetclothesclean.Itsspecialultrasoundgeneratorisputintoapailofsoapywatercontainingthesoiledclothes.Thesoundwavesdrivethesoapywaterbackandforththroughtheclothsofastthateverythingissoonclean.Thereisalsoanewkindofdishwasherthatworksinmuchthesameway.Ultrasonicwavescanshakealiquidsofastthattinyholesformallthroughit.Theliquidisactuallytornapartbythisaction.Almostassoonastheseholesaremade,theyfalltogetheragain.Theresultisapowerfulpoundingaction.Inthedairyindustrythisisusedforthedoublepurposeofmakinghomogenized(使均勻，使勻質(zhì))milkandsterilizing(使無(wú)菌)itatthesametime.Ifyoulookatsomerawmilkwithamicroscope,youfindthatitismadeupoflittledropsofbutterfatfloatingaroundinawateryliquid.Inordertomakemilkeasiertodigest,thesefatdroplets(微粒)maybebrokenupbyforcingthemilkthroughverysmallopenings.Theresultiscalledhomogenizedmilk.Whentheultrasonicmethodisused,thesoundwavesnotonlybreakupthedropletsbutalsokillthegermsinthemilkbypoundingthemtopieces.(from)1.Whydoesapaintmanufactureruseultrasoundtodoabetterjobofblendingcolors?A.Becauseitischeaptouseultrasoundtoblendcolors.B.Becausethewavesmovetheliquidsoquicklythatitcanmakematerialsmixquicklyordissolveinliquids.C.Becausetheycanmixchemicalsbytheuseofsoundwaves.D.Becausethewavescancleanthepaint.2.Whatpropertiesdoesultrasoundwavehave?A.Homogenizesandsterilizesthemilk.B.Mixmaterialsandbreakdroplets.C.Killgermsandsterilizemilk.D.Moveliquidsquickly.3.Whatexistsintherawmilk?A.Littledropsofbutterfat.B.Smallholes.C.Fatdropletsandgerms.D.Chemicals.4.Whereisultrasoundwavenotused?A.Inthepaintmanufacture. B.Intheshopmixingbreadflour.C.Inthefilm-makingcompany. D.Inthedairyindustry.1.B事實(shí)細(xì)節(jié)題。依據(jù)其上句Thiscausesmaterialstomixquicklyortodissolve(使分解，使溶解)inliquids可知，答案選B。2.D事實(shí)細(xì)節(jié)題。依據(jù)文章最終一段的第1句Ultrasonicwavescanshakealiquidsofastthattinyholesformallthroughit可知，答案選D。3.C事實(shí)細(xì)節(jié)題。依據(jù)文章最終一段的內(nèi)容，特殊是最終一句Whentheultrasonicmethodisused,thesoundwavesnotonlybreakupthedropletsbutalsokillthegermsinthemilkbypoundingthemtopieces可知，答案選C4.B推理推斷題。依據(jù)文章第1段最終提到的Paintmanufacturers(制造商)…以及Thecompaniesthatmakefilm…兩句排解選項(xiàng)A、C，依據(jù)第3段第5句的Inthedairyindustrythisisusedfor…排解選項(xiàng)D，從而得出答案是B。閱讀下列短文，從每題所給的四個(gè)選項(xiàng)（A、B、C和D）中，選出最佳選項(xiàng)。Thosewhohavesufferedfrominsomniaknowthesinkingfeelingofwatchingtheclocktick.NowanewstudyintheArchivesofInternalMedicinesuggeststhatlyinginbedawakemayactuallycontributetotheproblemofsleeplessness.Thestudyof79adults(averageage72)withinsomniaaimedtodeterminewhetherbriefbehavioralinterventionsforinsomniawouldhelp.Traditionalbehavioraltherapy（療法）requiresatleasthalfadozenhour-longsessionswithatherapist—acostlycommitmentmanypatientseithercan'tmakeordon'thaveaccessto.Otheroptionsincludesleep-aidingmedicationsorsupplements.Inthecurrentstudy,the39participantsinthebehavioraltherapygroupreceiveda45-to60-minuteinstructingsession,plusa30-minutefollow-upsessionandtwo20-minutephonecalls.Doctorsofferedthefollowingbehavioralinterventionsforimprovingsleep:reducetimeinbed;getupatthesametimeeveryday,regardlessofsleepduration;don'tgotobedunlesssleepy;anddon'tstayinbedunlessasleep.Theother40participantsinthestudyweregivenprintededucationalmaterialsaboutinsomnia,whichincludedthesameinstructionsgiventotheinterventiongroup,butwithouttheindividualizedsessionswithatherapist.Twoweekslater,thelattergroupalsogota10-minutefollow-upphonecall.Attheendoffourweeks,thebehavioraltreatmentgroupwassignificantlymorelikelytoshowimprovementsinsleepthantheprinted-materialsgroup.Bythattime,55%ofthosewhoreceivedbehavioraltreatmentnolongermetthecriteriaforinsomnia,comparedwith13%ofthegroupthatgoteducationalbrochures.ThegoodnewscomesatthesametimeasareportonthehealtheffectsofinsomniafromtheU.K.'sMentalHealthFoundation.Thereport,SleepMatters,suggestsalinkbetweeninsomniaandpoorrelationships,lowenergylevelsandaninabilitytoconcentrate.Poorsleephasalreadybeenlinkedtodepression,immunedeficiencyandheartdisease.Whatisthemeaningoftheunderlinedword“insomnia”?A.sleeplessnessB.depressionC.heartdiseaseD.immunedeficiency67.Whatisthedisadvantageoftraditionalbehavioraltherapy?A.Itcan’thelp.B.Itcostsalotofmoney.C.Itrequiressessionswithatherapist.D.Itincludessleep-aidingmedications.68.Howtoimprovesleepaccordingtothedoctor?A.Lyinginbedawake.B.Getupearlyeveryday.C.Don’tgotobedlateatnight.D.Don’tstayinbedifyouarenotasleep.69.Wecanlearnfromthetextthatinsomniamaycausethefollowingresultsexcept________.A.depressionB.concentrationC.immunedeficiencyD.heartdisease70.Whatcanweinferfromthestudy?A.Theinterventiongroupwasnotgiventheprintedmaterials.B.Thelattergroupofthestudywasnotgivenfollow-upphonecalls.C.Thebehavioraltreatmentgroupwaslesslikelytoshowimprovements.D.Theinstructingsessionthattheinterventiongroupreceivedismosteffective.【參考答案】66—70ABDBD閱讀下列短文，從每題所給的四個(gè)選項(xiàng)（A、B、C和D）中，選出最佳選項(xiàng)。Britain’sseedbank,theonlyoneintheworldaimingtocollectalloftheplanet’swildplantspecies,hasreacheditsgoalofbanking10percentby2010．TheMillenniumSeedBankProject,runbyKewGardens—oneoftheoldestbotanicalgardens—willofficiallydepositthe24,200thspeciesonThursday,apink,wildbananafromChina．Morethan50countriesarenowonboardwithKew’sgianttaskbutvastplacesoftheglobe,includingIndiaandBrazil,stillneedtojoininanddonateseeds,directorPaulSmithsaid．Theseedbankisoneofthelargestandmostdiverseintheworldwithmorethan1．5billionseeds．Itsgoalistohelpprotecttheplanet’sbio-diversityduringatimeofclimatechange．Thewildbananaseedisunderthreatofextinction（滅亡）insouthwestChinafromagriculturaldevelopment．ItisavitalfoodsourceforAsianelephantsandimportantforgrowingbananasforhumanconsumption．Storedatminus-20degreescentigrade,sotheycanlastforthousandsofyears,theseedsawaitthedaythatscientistshopenevercomes—whenthespeciesnolongerexistinthewild．Itisaraceagainsttime,Smithsaid,becauseinthelastdecadealone,20plantsheldinthebankhavealreadybeenwipedoutinthewild．Heestimatesthatbetweenathirdandaquarterwillbecomeextinctthiscentury．"Itisurgentanditishappeningnow．Anarea,thesizeofEngland,isclearedofprimaryvegetation（植被）everyyear．"Smithsaid．Becausemostoftheworld’sfoodandmedicinescomefromnature,protectingwildplantspeciesisquiteimportant,scientistssay．Therearealreadymanyotherseedbankssafeguardingfoodcrops,whichonlyaccountfor0.6percentofplantdiversity．ForKew’snextgoal—tocollectaquarterofwildvarietiesby2022—thebotanistsneed10millionpoundsayear,orafurther100millionpoundsontopofthe40milliontheyhavealreadybeengranted．71．What’sthefinalpurposeoftheBritain’sseedbank?A．Tocollectenoughmoneyfortheproject．B．Tosafeguardfoodcrops．C．Toprotectwildplantsfromextinction．D．Tohelpscientistsstudywildplants．72．ThewildbananaseedinChinaisindangerbecauseof_______．A．theexpandingoffarmingworkB．theclimatechangeinthisareaC．thelargenumberofAsianelephantsD．human’slargeconsumption73．Wecanlearnfromthepassagethat_______．A．theseedsinthebankcanbeusednowandthenallovertheworldB．IndiaandBrazilhaven’tjoinedintheSeedBankProjectatpresentC．thereisonlyoneseedbankintheworldatpresentD．thewildplantsinplaceslikeIndiaandChinawillneverdieout74．Whatdoestheunderlinedword“it”inparagraph7referto?A．Theextinctionofplantspecies．B．KewGardens’nextgoal．C．Britain’sseedbank．D．TheMillenniumSeedBankProject．75．Whichofthefollowinginformationisn’tmentionedinthepassage?A．Theglobalpartnershipofcollectingwildplantspecies．B．Thetemperatureconditionoftheconservativewildplantspecies．C．Thegovernment’sfinancialsupportfortheseedbankproject．D．Scientists’concernontheextinctwildplantspecies．參考答案71—75CABDC完形填空。閱讀下面短文，把握其大意，然后從各題所給的四個(gè)選項(xiàng)A、B、C和D中，選出最佳答案。Oneday,apoorboywhowastryingtopayhiswaythroughschoolbysellinggoodsfromdoortodoorfoundthatheonlyhadonedimeleft.Hewashungrysohedecidedto1foramealatthenexthouse.However,helosthisnerve2alovelyyoungwomanopenedthedoor.Insteadofamealheaskedforadrinkofwater.Shethoughthelooked3soshebroughthimalargeglassofmilk.Hedrankit4,andthenasked,“HowmuchdoIoweyou?”“Youdon’towemeanything,”she5.“Motherhastaughtmenevertoacceptpayfora_6.”Hesaid,“ThenIthankyoufromthebottomofmyheart.”AsHowardKellyleftthathouse,henotonlyfeltstronger7,butitalsoincreasedhisfaithinGodandhumanrace.Hewasabouttogiveupandquitbeforethispoint.Yearslatertheyoungwomanbecamecriticallyill.Thelocaldoctorswerebaffled.Theyfinallysenthertothebigcity,wherespecialistscanbecalled8tostudyherraredisease.Dr.HowardKelly,now9,wascalledinfortheconsultation.Whenheheardthenameofthetownshecamefrom,astrangelight10hiseyes.Immediately,he11andwentdownthroughthehospitalhallintoherroom.12inhisdoctor’sgownhewentintoseeher.He13heratonce.Hewentbacktotheconsultationroomand14todohisbesttosaveherlife.Fromthatdayon,hegave15__attentiontohercase.Afteralong16thebattlewaswon.Dr.Kelly17thebusinessofficetopassthefinalbilltohimforapproval.Helookedatitandthenwrotesomethingontheside.Thebillwassenttoherroom.Shewasafraidtoopenitbecauseshewas18thatitwouldtaketherestofherlifetopayitoff.Finallyshelooked,andthenoteonthesideofthebillcaughther19.Shereadthesewords…“Paidinfullwithaglassofmilk.”(Signed)Dr.HowardKellyTearsofjoyfloodedhereyesasshe20silently.“Thankyou,God.Yourlovehasspreadthroughhumanheartsandhands.”()1．A．call B．make C．beg D．prepare()2．A．while B．when C．though D．unless()3．A．thirsty B．lazy C．tired D．hungry()4．A．slowly B．unexpectedly C．steadily D．hurriedly()5．A．a(chǎn)nnounced B．shook C．replied D．doubted()6．A．reward B．kindness C．hand D．value()7．A．physically B．mentally C．normally D．properly()8．