2021-2022高考英語(yǔ)模擬試卷注意事項(xiàng)1．考試結(jié)束后，請(qǐng)將本試卷和答題卡一并交回．2．答題前，請(qǐng)務(wù)必將自己的姓名、準(zhǔn)考證號(hào)用0．5毫米黑色墨水的簽字筆填寫(xiě)在試卷及答題卡的規(guī)定位置．3．請(qǐng)認(rèn)真核對(duì)監(jiān)考員在答題卡上所粘貼的條形碼上的姓名、準(zhǔn)考證號(hào)與本人是否相符．4．作答選擇題，必須用2B鉛筆將答題卡上對(duì)應(yīng)選項(xiàng)的方框涂滿(mǎn)、涂黑；如需改動(dòng)，請(qǐng)用橡皮擦干凈后，再選涂其他答案．作答非選擇題，必須用05毫米黑色墨水的簽字筆在答題卡上的指定位置作答，在其他位置作答一律無(wú)效．5．如需作圖，須用2B鉛筆繪、寫(xiě)清楚，線(xiàn)條、符號(hào)等須加黑、加粗．第一部分（共20小題，每小題1.5分，滿(mǎn)分30分）1．I'llhaveallofthereadingsbytheendofthistermifmyplangoeswell.A．completing B．tocompleteC．completed D．beingcompleted2．“Cellphone”isaAmericanusage，butBritishspeakersalwaysuse“mobilephone”．A．normal B．common C．formal D．usual3．Thefarmersareinbadneedofrain,buta(an)largeamountofrainfallwillcauseFloods.A．Eventually B．constantly C．gradually D．extremely4．Theshockingnewsmademerealize________terribleproblemswewouldface.A．what B．howC．that D．why5．Nobodycangobackandstartanewbeginning,______anyonecanstartnowandmakeanewending.A．forB．a(chǎn)ndC．butD．so6．Yet_______intheprocessofdevelopmentdidtheystoptoconsidertheimpactoftheir“progress”onnature.A．innotimeB．a(chǎn)tnopointC．a(chǎn)slikelyasnotD．moreoftenthannot7．________workandcreativeactivitieshavebeenimportantdriversofhumanprogressisdeeplyrootedinoursocialvalues.A．HowB．WhetherC．ThatD．Why8．Itisusuallythoughtalittlechildsaysistruth.A．WhatthatB．thatwhatC．whichD．that9．______metomorrowandI’llletyouknowthelabresult.A．Calling B．Call C．Tocall D．Havingcalled10．Theyaredeterminedtogointothedarkcave,________mywarningofdanger.A．regardlessofB．becauseofC．a(chǎn)partfromD．insteadof11．Inspring,thesceneonthetopofthehillissoappealingthatitis________mywords.A．a(chǎn)boveB．overC．beyondD．off12．SallywasexcitedtomeetSusanatthepartylastnight．They_____eachothersincetheygraduatedfromOxfordUniversityin2010．A．haven’tseen B．hadn’tseenC．didn’tsee D．don’tsee13．Iwasgoingtopaybycashwhenitsuddenlyoccurredtome_________Ihadleftmypurseathome.A．whether B．whatC．that D．where14．_________therequirementissethigh,itisablessingforChinesestudentsthatCambridgeUniversityusesscoresonGaokaoaspartofitsadmissioncriteria.A．As B．While C．Once D．Where15．—Thelectureabout3Dtechnologywasveryinteresting.—It’sapity.HowIwishI________timetoattendit.A．had B．have C．hadhad D．havehad16．---I’msureAndrewwillwinthefirstprizeinthefinal.---Ithinkso.He_____foritmonths.A．ispreparing B．hasbeenpreparing C．waspreparing D．hadbeenpreparing17．Itreallymatters_______hetreatedthelatestfailure,fortheexaminationisaroundthecorner.A．if B．thatC．why D．how18．Thegovernor’sstatementonemployment________astormofcriticism,A．setupB．setoutC．setaboutD．setoff19．ZhangXuan,______universitystudentfromShanghai,learns______artinhersparetime.A．a(chǎn)n;/ B．a(chǎn);the C．a(chǎn);/ D．a(chǎn)n;the20．Thatwasnotthefirsttimehe____us.Ithinkit'shightimewe____strongactionsagainsthim.A．betrayed,take B．hadbetrayed,tookC．hasbetrayed,took D．hasbetrayed,take第二部分閱讀理解（滿(mǎn)分40分）閱讀下列短文，從每題所給的A、B、C、D四個(gè)選項(xiàng)中，選出最佳選項(xiàng)。21．（6分）LocatedinLosAngeles,UniversityofSouthernCaliforniaisintheheartofaleadingcity.AlthoughLArankshighlyinTheEconomist’sSafeCitiesIndex,navigatingandcitycallsforcertainsafetyprecautions(預(yù)防措施)alongwithpracticingcommonsense.?MobileSafetyAppPoweredbyLiveSafeTheMobileSafetyApppoweredbyLiveSafe,managebytheUSCDepartmentofPublicSafetyandtheUSCDepartmentofEmergencyPlanning,isafreedownloadableappthatmobileuserscanusetoinitiatecontactwithemergencyrespondersaroundthecampus.Featuresinclude:immediate“pushbutton”callstoDPS,easyreportingforsuspiciousactivityorcrimesinprogress,andlocationservicestonotifyfriendsofyourroutethroughcampus.?BlueLightPhoneLocationsTheUniversityParkhasmultiplebluelightphonesthatarestrategicallyplacedthroughoutcampus.Takenoteofwheretheclosestonesareonyourroute.Theycomeinhandyincaseyouloseyourphoneorinanemergency.ThesephonesaredirectlyconnectedtoUSC’sDepartmentofPublicSafety’s24-hourcommunicationscenter.Besidesemergencyneeds,itcanalsobeusedtoreportsuspiciousactivity,requestforanescort(護(hù)送)ifyoufeelunsafeandtoreportacrime.?TrojansAlertTrojansAlertisanemergencynotificationsystemthatallowsuniversityofficialstocontactyouduringanemergencybysendingmessagesviatextmessageoremail.Whenanemergencyoccurs,authorizedUSCsenderswillinstantlynotifyyouwithreal-timeupdates,instructionsonwheretogo,whattodo(orwhatnottodo),whomtocontactandotherimportantinformation.AllmembersoftheUSCcommunity,aswellasparentsandregularvisitorstocampus,arestronglyencouragedtosignupforTrojansAlert.1、Whatdobluelightphonesdoforstudents?A．Guidestudentsthroughcampus.B．Alertstudentstocrimeactivities.C．Lightupthewayifstudentsfeelunsafe.D．Connectthemwiththesafetydepartment.2、HowdoesUSCsendoutinstructionsduringanemergency?A．Withbluelightphones.B．Viatextmessageoremail.C．Throughmobilesafeapp.D．BycallingallUSCmembers.3、Whatisthepurposeofthetext?A．Toencouragestudentstofightcrime.B．TointroduceUSC’ssafetydepartment.C．ToprovidesafetyservicesforUSCstudents.D．Toinformparentsofsafetyrisksoncampus.22．（8分）Brainimagingwasoncethoughttobetoocostlyanddifficultforwidespreaduseinthedevelopingworld.Butthetechnologysoonmaybeavailableinpoorcountries.Brainimagingcreatespicturesofbrainactivity.Itusesinfraredlightsimilartothelightproducedbyatelevisionremotecontrol.Brainimagingcanidentifythefirstsignsofcognitive(認(rèn)知的)delays,mentalproblems,innewbornsandyoungchildren.Suchchildrencouldbesufferingfromapoordiet.Thetechnologyhasalongname——functionalnear-infraredspectroscopy,orf-N-I-R-S.Itinvolvesplacinganextremelysmall,softhelmetaroundababy'shead.Infraredlightissentthroughtheboneprotectingthebrain.Ithelpstoshowwhetherbabiesaredevelopingnormallyfortheirage.f-N-I-R-Sisconsideredsaferthanotherimagingmethods,includingMRIorPETscan.Anditalsocanbeeasilymoved.Thebrainscannerequipmentcanbeloadedintoavehicle.Healthworkerscandriveitfromvillagetovillage.ClareElwellisaprofessorofmedicalphysicsatUniversityCollegeLondon.Shehelpeddeveloptherelativelylow-cost,non-aggressiveimagingtechnology.Shesaysthedevicemeasuresoxygeninthebloodtolearnhowbabies’brainsaredeveloping.“Andasyouusedifferentareasofyourbrain,youdirectoxygentothosedifferentbrainareas.Andsoifwelookatthechangeinthedistributionoftheoxygeninyourbrain,wecanworkouthowactiveyourbrainisandwhatyourbrainisactuallyprocessing.”ClareElwellledastudyofthetestingmethodinruralGambia.Thebabiesinvolvedwerebetweenfourandeightmonthsold.Theywereexaminedthreetimesover15months.Researchersnotedthebabies1reactionstodifferentimagesandsounds.ShesayspoornutritionandchildhooddiseasesthreatentheAfricanchildren.Shesaysthegoalistoidentifybabiesneedingtobebetterfedortreatedforhealthproblemsthatcanharmbraindevelopment.1、Whatdoweknowaboutthef-N-I-R-S?A．Itmeasuresoxygeninthebodytolearnhowbrainsaredeveloping.B．Itcanonlybeusedinnewbornsandyoungchildren.C．Itisnotonlyrelativelycheapbutalsoconvenient.D．Itisjustlikeasofthelmetaroundababy’shead.2、What’sthemainsolutiontothediseasesinbraininthecountrieslikeGambia?A．Toguaranteetheiradequatemedicine.B．Todevelopeconomy.C．Tooffertheirpropereducation.D．Toinsuretheycangetgoodnutrition.3、WhydidClareElwellleadthestudyof(hetestingmethodinGambia?A．Becauseshewasbornthere.B．Becauseshewasavolunteerdoctorthere.C．Becauseshewantedtocurethechildrenthereoftheirbraindiseases.D．Becauseshewantedtoknowifpoornutritionresultedinbrainproblems.4、Whichofthefollowingcanbethebesttitleforthetext?A．BrainImagingEntersAfricaB．PoorNutritionOnlyLedtoMentalProblemsC．f-N-I-R-S,ANewImagingMethodD．PoorCountriesCanAllUsef-N-I-R-SNow23．（8分）Frauds(詐騙犯)playcomplexpsychologicaltrickstofoolothers,saysColinBarras.Andthatmeansanyonecanbecheatedunlesstheyknowwhattolookfor.Noneofuslikestobecheated.andDavidModichasdonesomeresearchesonit.It’sthepersonalpassionthathasconvincedModictostudythepsychologyofcheating.He’snotalone:thefieldisthriving,andtheinformationthatresearchersareuncoveringis)valuabletousall-fromthosesingleinsearchoflovetothetechnologywizards(人才)inchargeoftheworld’sonlinesecurity.Modicisparticularlyinterestedinwhatmakespeopleeasytofraud.It’scommontoimaginethatonlythefoolishorpoorlyeducatedmightfallvictimbutevenhardevidencesuggeststhisisnotthecase.TakePaulFrampton,anOxbridgeeducatedacademicprofessorofphysicsforexample.In2012Framptonwasgivenalmost5yearsinprisonfordrugsmugglinginArgentina,afterfallingvictimtoanonlinedatingfraud.Andthenthere’sJohnWorley,Asapsychotherapist,Worleyknowsmorethanmostofusaboutcontrollinglife’srightways.Butin2005hewasputontrialforbankfraudafterbecomingavictimofafraud.ThisfraudseespeoplecontactedbysomeoneclaimingtobeaNigeriangovernmentofficialappealingforhelpmovinglargesumsofmoneyoutofthecountry—whojustrequiresalittlemoneyupfront(預(yù)付的)toreleasethefortune.Worleywasfoundguiltyandsentencedtotwoyearsinprison.Intelligenceandexperienceoffernoprotectionagainstcheaters,saysModic.“Ifitdid,thenbettereducatedpeopleandolderpeoplewouldbelesslikelytofallforscams(騙局).Andthatisnotsupportedbymyresearch.”Tolookforanswerstothatquestion,ModicandFrankStajanohavequizzedthousandsofpeople,askingthemfirstwhethertheythinkvariousfraudsarereasonable—andwhethertheyhavefallenvictimtothem—beforeaskingthemtoperformapersonalitytest.Theresearchhasidentifiedanumberofcharacteristicsthatpeoplewhoarevictimsoffraudsseemtoincommon.Someofthesetraits—likealackofself-control—wewouldprobablyrecognizeasdangerous.Butothers—atrustinauthority,adesiretoactinthesamewayasourfriends,oratendencytoactinaconsistentway—wemightthinkofasgoodcharacteristics.1、Accordingtothepassage,thefraudsmay.A．threatentheworld’sonlinesecurityB．playtheirtricksinaconsistentwayC．receivemucheducationofpsychologyD．havehighintelligencetohelpcheating2、Paragraph3mainlytellsusthat.A．whoandwhatmakespeopleeasytofraudB．a(chǎn)llwalksoflifewouldbelikelytofallforscamsC．thepoorlyeducatedmaybeeasiertobecheatedD．governmentofficialsshouldberesponsibleforfrauds3、ModicandFrankStajano’sresearchesfindoutthatthevictims.A．oftenfollowfriends’actionsB．a(chǎn)reconsideredtobedangerousC．a(chǎn)lsosharegoodcharacteristicsD．shouldn’thaveatrustinauthority24．（8分）ItiscommonlybelievedthatinmedievalFrance,NewYearwascelebratedon1April.Thenin1562,PopeGregoryintroducedanewcalendarfortheChristianworld,changingNewYearto1January.Withnomoderncommunications,newstravelledslowlyandnewideaswereoftenquestioned.Manypeopledidnothearofthechange,somemerelyforgot,andotherschosetoignoreit.Thesepeoplewerecalledfools.Invitationstonon-existent“NewYear”partiesweresentandotherpracticaljokeswereplayed.Overtimeplayingtrickson1Aprilbecameatradition.ThecustomeventuallyspreadtoEnglandandScotland,anditwaslatertransportedacrosstheAtlantictotheAmericancolonies(殖民地)oftheEnglishandtheFrench.AprilFools’Dayhasnowdevelopedintoaninternationalfestivaloffun,withdifferentnationalitiescelebratingthedayinspecialways.FranceandItalyInFranceandItaly,ifsomeoneplaysatrickonyou,youarethe“fishofApril”.BythemonthofAprilfishhaveonlyjusthatchedandarethereforeeasytocatch.ChildrenstickpaperfishtotheirFriends’backsandchocolatefisharefoundintheshops.AmericaandBritainToday,AmericansandtheBritishplaysmalltricksonfriendsandstrangersalikeon1April.Acommontrickistopointtoafriend’sshoeandsay“Yourshoelace(鞋帶)isuntied.”Whentheylookdown,theyarelaughedat.Schoolchildrenmighttellafriendthatschoolhasbeencancelled.Sometimesthemediagetinvolved.Once,aBritishshortfilmwasshownonAprilFools’Dayaboutspaghettifarmersandhowtheyharvesttheircropfromspaghettitrees!ScotlandInScotland,AprilFools’Daylastsfortwodays!Theseconddayiscalled“TailyDay”andtricksonthisdayinvolvethebottom(orthe“tail”,ininformalspeech).Oftenasignsaying‘kickme’isstuckontosomeone’sbackwithoutthemknowing.1、Inwhatconditionwouldsomeonebecalled“fishofApril”inFrance?A．Whenoneisfooled.B．Ifoneisfondoffish.C．Whenonefoolsothers.D．Ifonepreferschocolate.2、WhatwasthepurposeoftheBritishshortfilm?A．Tohelptheaudience.B．Totricktheaudience.C．Towarntheaudience.D．Toinformtheaudience.3、WheredoesAprilFools’Daylastformorethanoneday?A．Italy. B．France.C．America. D．Scotland.25．（10分）Withallthewars,fightingandsadnessintheworldtoday,it'snotonlynecessary,butalsoessentialtohaveagoodsenseofhumorjusttohelpusgetthrougheachandeverydayofourlives.Puttingasmileonsomeone'sfacewhenyouknowtheyarefeelingdowninthedump,makesmefeelgoodandwarmsmyheart.Howwouldyoufeelifyoucouldnotjokearoundwithyourwife,husband,child,co-worker,neighbor,closefriends,orevenjustsomeonethatyouarestandinginlinewithatyourcornerstore?Iamalwayssayingthingsthatmakeotherssmileorlaugh,evenifIdon'tknowthepersonI'mjokingaroundwith.MyGrandmaalwaysfoundhumorineverythingshedid,evenifitwasthehardestjobanyonecouldimagine.Thisnotonlyrelievesstressinanysituation,butalsoiscommoncourtesy(禮貌)tospeaktoothersthatarearoundyou.Iknowofafewpeoplethatdon’thaveafunnyboneintheirbodies,astheysay.Everyonearoundthemcouldberollingonthefloorafterhearingagreatjokeandtheywouldsittherewithouttheslightestsmileontheirface.Theydon'tgetthejokethatmakesotherslaugh.Iambustingagutwhiletheyjustsitthere,lookingatmeasifIwerefromouterspace.Howcanpeoplenotgetareallyfunnyjoke?Laughingisessentialtokeepyourstresslevelsundercontrol.Withouthumorwewouldfindourselveswithalotofpsychologicalproblems,oronalotofmedicationstokeepusfromgoingcrazy.Thereistoomuchsadnessinthispresentworld.Itdrivespeoplecrazy.Weallneedtofindawaytoignorethesadnessandbringalittlelightintoourlives.So,Ibelieveourbestmedicineistogettogetherandtellsomejokesandhavesomefunlaughingtogether.1、Whatistheauthor’sattitudetowardsthepresentworld?A．SatisfiedB．PositiveC．CriticalD．Indifferent2、Thephrase“bustingagut"inthethirdparagraphcanbereplacedby.A．explainingcarefullyB．speakingloudC．keepingsilentD．laughinghard3、Accordingtotheauthor,humorisusefulintheaspectthat.A．itmakespeoplemoreconfidentB．itcanhelpgetridofthecrueltyintheworldC．itcanpickuppeople’sspiritsD．itcanhelppeoplegetonwellwithothers4、Inwritingthepassage,theauthormainlyintendsto.A．introduceapracticalwaytogetthroughdailylifeB．encouragepeopletobehumorousindailylifeC．convincepeopleofthepowerofhumourD．talkabouthisownunderstandingofhumor第三部分語(yǔ)言知識(shí)運(yùn)用（共兩節(jié)）第一節(jié)（每小題1.5分，滿(mǎn)分30分）閱讀下面短文，從短文后各題所給的A、B、C和D四個(gè)選項(xiàng)中，選出可以填入空白處的最佳選項(xiàng)．26．（30分）完形填空（共20小題，每小題1.5分，滿(mǎn)分30分）Ibelievethatsmallactsofkindnesshavethebiggestinfluenceonourlives.WhileonavacationinMexicowithmyfamily,Ilearnedthisvaluable36.Ourroomwasonthe8thfloorofourhotel,sowewould37theelevatoreveryday.38otherpeopleuseit,too.OneafternoonIrodeitalone.Thebellboygreetedmeand39thebuttonformyfloor.Ismiledandtooktheelevatorin40.Theelevatorstoppedatthenextfloor,andanelderlymaid41inwithalargebundleofcleantowels.Icouldtellshewas42tocarrythelargeloadandwasprobably43fromhavingworkedallmorning.Ifeltitwasnotmyplacetointerfere（干涉）,soI44todosomethingtohelp.Thebellboy,alsosensingher45Themaidlookedattheboywith46andthensmiledgratefullytohis47.TheythenbegantospeakinSpanishtoeachother.48Icouldn’tunderstandwhattheyweresaying,Icouldtellbytheir49thattheboy’sactofkindnesshadmadeherday.Hecouldhaveriddeninsilencelikeme.Itwasn’this50tohelpher,buthedid51AfterIcameoutoftheelevator,guiltovercamemeasI52whatIshouldhavedoneinthatsituation.Whydidn’tItakethetowels?Theboywasn’t53ofhowhisactionswouldaffectallthepeople54histhoughtfuldeed.Heprobablydoesn’teven55helpingthewomanintheelevator.Tome,hissmallactofkindnessmademydayaswell.2171．A．lessonB．viewC．a(chǎn)ttitudeD．news2172．A．holdB．driveC．useD．try2173．A．MoreorlessB．OnebyoneC．SoonerorlaterD．Nowandthen2174．A．countedB．pushedC．a(chǎn)nnouncedD．checked2175．A．silenceB．peaceC．darknessD．coldness2176．A．caughtB．calledC．steppedD．turned2177．A．preparingB．strugglingC．entertainingD．pretending2178．A．a(chǎn)bsentB．sickC．separateD．tired2179．A．hesitatedB．doubtedC．promisedD．a(chǎn)greed2180．A．a(chǎn)bilityB．a(chǎn)geC．smileD．burden2181．A．sadnessB．surpiseC．loninessD．a(chǎn)nger2182．A．loyaltyB．businessC．helpD．duty2183．A．sinceB．a(chǎn)sC．whileD．if2184．A．descriptionB．introductionC．explanationD．expression2185．A．problemB．influenceC．jobD．purpose2186．A．a(chǎn)nywhereB．a(chǎn)nywayC．somewhereD．someway2187．A．thoughtofB．broughtaboutC．carriedonD．insistedon2188．A．a(chǎn)fraidB．a(chǎn)wareC．fondD．free2189．A．repeatingB．improvingC．recognisingD．witnessing2190．A．suggestB．rememberC．imagineD．enjoy第二節(jié)（每小題1.5分，滿(mǎn)分15分）閱讀下面材料，在空白處填入1個(gè)適當(dāng)?shù)膯卧~或括號(hào)內(nèi)單詞的正確形式。27．（15分）Jackwasinhislastyearofjuniorschool.Hewasonly4feetand11inches,overweight.Hehadlittlehairandfew1．(friend).Hisgradewasnot2．(good)thanhislook.Hislifewasgoingnowhere.Hewashavingareallyhardtimebecausehisparentsrecentlygotdivorced(離婚).Buthewantedtochange3．(he)sothathecouldhaveafreshstartinthehighschool.JackwenttoMrs.Collins,hisfavoriteteacher,4．toldhimthathehadtomakesmallchangesfirstandstartwiththeeasierthings.Jackwenttothehospital5．(solve)hishairproblems.Hestartedtalkingtopeoplemoretomakefriends.Herealizedthathejusthadtoexpresshimself.Hestartedtostudymoreinsteadof6．(think)abouthisparents,He7．(begin)toeathealthilytoloseweight.WhenJackenteredthehighschoolontheveryfirstday,hewasa8．(total)differentperson.Hewasnowingoodshape,smart9．popular.Healsohadanicehairstyle.Everyonewantedtomakefriends10．him.Moreimportantly,Jackfinallybecamehappyandconfidentthroughhisownefforts.第四部分寫(xiě)作（共兩節(jié)）第一節(jié)短文改錯(cuò)（滿(mǎn)分10分）28．（10分）假定英語(yǔ)課上老師要求同桌之間交換修改作文，請(qǐng)你修改你同桌寫(xiě)的以下作文,文中共有l(wèi)0處語(yǔ)言錯(cuò)誤，每句中最多有兩處．每處錯(cuò)誤僅涉及一個(gè)單詞的增加、刪除或修改。增加：在缺詞處加一個(gè)漏字符號(hào)（√)，并在其下面寫(xiě)出該加的詞。刪除：把多余的詞用斜線(xiàn)(／)劃掉．修改：在錯(cuò)的詞下劃一橫線(xiàn)，并在該詞下面寫(xiě)出修改后的詞。注意：1、每處錯(cuò)誤及其修改均僅限一詞；2、只允許修改l0處，多者(從第11處起)不計(jì)分．Lastsummer,Ihadaunforgettableexperience、Ithappenedonmyuncle’sfarmwhichtherearemanyflowers、InaSaturdaymorning,weheardagreatnoisecomingoutside、Lookingoutthewindow,Isawamassofbeesflownabovethefarm、Thereweretoomanybeesthatthewholefarmseemeddark、Wewereveryfrightening、Forsomemoments,thebeesadvancedourhouse、Myuncleweredraggedmeintothebackroomwhichwasverydark、Wecovereduswithablanket,shakingwithfear、Afewhourslater,wecameoutofthebackroomandfoundthebeeshadflownaway、第二節(jié)書(shū)面表達(dá)（滿(mǎn)分25分）29．（25分）在中國(guó)傳統(tǒng)文化中，“勤儉持家”、“尊老愛(ài)幼”、“誠(chéng)實(shí)守信”等家風(fēng)對(duì)于構(gòu)建和諧家庭，營(yíng)造文明社會(huì)起到了至關(guān)重要的作用。假設(shè)你經(jīng)常瀏覽的某個(gè)英語(yǔ)論壇正在進(jìn)行主題為“Whatkindoffamilytraditiondow