2021-2022学年山南市重点中学高三第三次模拟考试英语试卷含答案

2021-2022高考英语模拟试卷注意事项1．考试结束后，请将本试卷和答题卡一并交回．2．答题前，请务必将自己的姓名、准考证号用0．5毫米黑色墨水的签字笔填写在试卷及答题卡的规定位置．3．请认真核对监考员在答题卡上所粘贴的条形码上的姓名、准考证号与本人是否相符．4．作答选择题，必须用2B铅笔将答题卡上对应选项的方框涂满、涂黑；如需改动，请用橡皮擦干净后，再选涂其他答案．作答非选择题，必须用05毫米黑色墨水的签字笔在答题卡上的指定位置作答，在其他位置作答一律无效．5．如需作图，须用2B铅笔绘、写清楚，线条、符号等须加黑、加粗．第一部分（共20小题，每小题1.5分，满分30分）1．________aboutthemanwearingsunglassesduringnightthathewasdeterminedtofollowhim.A．SocuriousthedetectivewasB．SocuriouswasthedetectiveC．HowcuriouswasthedetectiveD．Howcuriousthedetectivewas2．Enterourprize______andwinabreakinaNationalTrustholidaycottageofyourchoiceanywhereinthecountry.A．draw B．search C．match D．collection3．Joinusandyouwilldiscoveranenvironment______youcanmakethemostofyourskillsandtalents.A．that B．whereC．how D．what4．______whathadhappened,theyknewIwouldstruggleandsimplywantedtohelpbecauseitwastherightthingtodo.A．Hearing B．Tohaveheard C．Havingheard D．Heard5．—Wherecanweparkcar?—Don’tworry.There’ssuretobeparkinglotnearby.A．the;the B．the;aC．不填;a D．不填;the6．Wearecommittedtocreatingaworldfreefromthehomelessandthehopeless,aworld_______eachandeverycornerisatrueparadise.A．that B．whichC．ofwhich D．fromwhere7．-Lateagain！Where_____________？-Sorry，I________________intheheavytraffic，orIwouldhavebeenhereearlier.A．wereyou；havegotstuck B．haveyoubeen；havegotstuckC．wereyou；gotstuck D．haveyoubeen；gotstuck8．Youcangetoffthebusoneortwostops________andwalktherestofthewaytoworkeverydaysoastotakesomeexercise.A．moreearly B．earliest C．early D．earlier9．Checkyourpapercarefullytosee________youhavemadeanymistakes.A．what B．which C．whether D．that10．---Couldweaccomplishthetaskaccordingtotheschedule?---Idoubtthat.Theproblemremains______wecangetfinancialaidwithinthisweek.A．that B．how C．why D．when11．---Areyoufreenow?Ihavesomethinginterestingtotellyou.---OK,youmakeitshortIwillhavetoworkonthistermpaperduetomorrow.A．nowthatB．assoonasC．everytimeD．aslongas12．Muirsucceeds______otherdesignershavefailed—herclothesareOriginal,yetstylish.A．that B．what C．which D．where13．Thefirstsnowdidn’tfalluntilFebruaryinourprovincethisyear,________wasunexpected.A．it B．which C．that D．what14．Goodfood，goodsleep，noexercise．That'shegainedweight．A．howB．whenC．whatD．whether15．Accordingtotheschoolrule,nochildbeallowedoutoftheschool,unlessaccompaniedbyhisorherownparents.A．should B．mustC．shall D．can16．Asteachersweshouldn’taccepttheargumentgivenbysomepeople_______standardizedtestsrestricteducatorstoomuchandtakethejoyoutofteaching.A．where B．whatC．how D．that17．Moreoftenthannot,theenterprisearoundusaregettingevenricher,________recipeisdon’tputallyoureggsinonebasket.A．ofwhich B．whichC．whose D．ofwhom18．Accordingtoarecentstudy,thehighschoolgraduationrateforblackmenhasfallenby43percent,while________ofblackwomenhasrisenby56percent.A．that B．whatC．one D．which19．—What’swrongwithyou?—Oh,Iamsick.I________somuchicecreamjustnow.A．shouldn’teat B．mustn’teatC．couldn’thaveeaten D．shouldn’thaveeaten20．Andycangotothecinematogetherwithushehasfinishedthetask．A．unless B．assoonas C．until D．aslongas第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21．（6分）Accordingtoateamofresearchers,ananimal'sabilitytoperceive(感知)timeislinkedtotheirpaceoflife.“Ourresultslendsupporttotheimportanceoftimeperceptioninanimalswheretheabilitytoperceivetimeinaveryshorttimemaybethedifferencebetweenlifeanddeathforfastmovingcreatures，”commentedtheleadauthorKevinHealyfromTrinityCollegeDublin.Thestudywasdonewithavarietyofanimalsusingaphenomenonbasedonthemaximumspeedofflashesoflightanindividualcanseebeforethelightsourceisseenasconstant.Dogs,forexample,haveeyeswitharefreshratehigherthanhumans.Oneexampleofthisphenomenonatwork,theauthorssay,isthehouseflyanditsabilitytoavoidbeinghit.Theresearchshowsfliesobservemotioninashortertimethanourowneyescanachieve,whichallowsthemtoavoidbeinghit.ProfessorGraemeRuxtonoftheUniversityofStAndrewsinScotland,whoworkedjointlyontheresearchproject,saidinastatement,“Havingeyesthatsendupdatestothebrainatmuchhigherfrequenciesthanoureyesdoisofnovalueifthebraincannotprocessthatinformationequallyquickly,Thus,thisworkhighlightstheimpressiveabilitiesofeventhesmallestanimalbrains.Fliesmightnotbedeepthinkers,buttheycanmakegooddecisionsveryquickly.”Incomparison,thetigerbeetle(虎甲虫)runsfasterthanitseyescankeepup,basicallybecomingblind,whichrequiresittostopperiodicallytore­evaluateitsprey's(猎物)position.Ourresultssuggestthattimeperceptionoffersanasyetunstudieddimensioninwhichanimalscanspecializeandthereisaconsiderablerangetostudythissysteminmoredetail.1、（小题1）Whatistheresearchmentionedinthepassagemainlyabout?A．Paceoflifeofanimals.B．Timeperceptionofanimals.C．Lifetimeofsmallanimals.D．Impressiveabilitiesofanimals.2、（小题2）WhatdoesKevinHealy'scommentmeaninPara.2?A．Theabilityofanimalstoperceivetimedependsontheirhighmovingspeed.B．Thesurvivaloffastmovinganimalsreliesontheirabilitytoperceivetime.C．Animalswithquickerpaceoflifehavebetterperceptionoftime.D．Animalswithpoorabilityoftimeperceptionhaveashorterlife.3、（小题3）Whycanhousefliesavoidbeinghit?A．Theycanthinkverydeeplybeforetheyact.B．Theycanflymuchfasterthantheireyescankeepup.C．Theycanprocessinformationasquicklyastheyreceiveit.D．Theycansendinformationtothebrainmorequicklythantotheireyes.4、（小题4）Whatwillatigerbeetlehavetodotocatchamovingprey?A．Trytorunasfastasitcan.B．Preventitselffrombecomingblind.C．Slowdowntogainitstimeperception.D．Stopoccasionallytospotthepreyagain.22．（8分）IwassurethatIwastobekilled.Ibecameterriblynervous.Ifumbled(摸索)inmypocketstoseeiftherewereanycigarettes,whichhadescapedtheirsearch.Ifoundoneandbecauseofmyshakinghands,Icouldbarelygetittomylips.ButIhadnomatches;theyhadtakenthose.Ilookedthroughthebarsattheguard.Hedidnotmakeeyecontactwithme.Icalledouttohim“Haveyougotalight？”Helookedatme,shruggedandcameovertolightmycigarette.Ashecamecloseandlitthematch,hiseyesunconsciouslylockedwithmine.Atthatmoment,Ismiled.Idon'tknowwhyIdidthat.Perhapsitwasnervousness;perhapsitwasbecause,whenyougetveryclose,onetoanother,itisveryhardnottosmile.Inanycase,Ismiled.Inthatinstant,itwasasthoughasparkjumpedacrossthegapbetweenourtwohearts,ourtwohumansouls.Iknowhedidn'twantto,butmysmileleapedthroughthebarsandcausedasmileonhislips,too.Helitmycigarettebutstayednear,lookingatmedirectlyintheeyesandcontinuingtosmile.Ikeptsmilingathim,nowthinkingofhimasapersonandnotjustaguard.“Doyouhavekids？”heasked.“Yes,here,here.”Itookoutmywalletandnervouslyfumbledforthepicturesofmyfamily.He,too,tookoutthepicturesofhisfamilyandbegantotalkabouthisplansandhopesforthem.Myeyeswerefilledwithtears.IsaidthatIfearedthatI'dneverseemyfamilyagain,neverhavethechancetoseethemgrowup.Tearscametohiseyes,too.Suddenly,withoutanotherword,heunlockedmycellandsilentlyledmeout.Outoftheprison,quietlyandbybackroutes,outofthetown.There,attheedgeoftown,hereleasedme.Andwithoutanotherword,heturnedbacktowardthetown.1、Whathadhappenedtothemanbefore?A．Hehadbeenbadlytreated.B．Hehadkilledsomeone.C．Hehadbeensearched.D．Hehadbeenforbiddentogetintouchwithanyone.2、Whydidthemanwanttosmokecigarettes?A．Becausehewassurehewastobekilled.B．Becausehewantedtoeasehisnervousness.C．Becausehewantedtotalktotheguard.D．Becausehewasusedtosmokingcigarettes.3、Whichofthefollowingistrueaccordingtothepassage?A．Themanwasaheavysmoker.B．Themansmiledtopleasetheguard.C．Theguardsetthemanfreewithpermission.D．Themanhadn'tthoughttheguardwouldsethimfree.4、Whatdoyouthinkfinallysavedtheman'slife?A．Thesmile. B．Thecigarette.C．Thetears. D．Thewallet.23．（8分）Inthespaceofjusttwoyears,theappDouyin,createdbyBeijing-basedcompanyByteDance,hasgatheredmorethanhalfabillionusers—around40％ofthemoutsideChina—whoshareshortvideosofthemselveslip-syncing（假唱）,cooking,dancingorjustbeingsilly.WhatsetsByteDanceapartisitssuccessinthesocialmediacategory,whichiscontrolledbyFacebook,TwitterandSnap—allWesterncompanies.ByteDancecallsitselfanartificialintelligencecompany.Itusesmachinelearningandalgorithms（算法）tofigureoutwhatpeoplelikemostandgivethemmoreofwhattheywanttosee.OnDouyin,peoplecaneditandbeautify15-secondvideosbeforepostingthemonline.Theapphasevenmadeaphrasetodescribepeoplegluedtotheircustomizedfeeds:“shuaDouyin”or“scrollingthroughDouyin”.Lastyear,thecompanyreleasedTikTok,theoverseasversionofDouyin.ByteDance’sgrowingvideoempirehasmadeittheworld’sfifthbiggestappmaker.ByteDancesaysTikTokandDouyintogetherhavemorethan500millionmonthlyactiveusers.InvestorslikeByteDancebecauseitshundredsofmillionsofusersattractalotofadvertisingmoney.Thevideoappsarelucrativebecausetheyattractalotofusersintheirteensand20s,whoaremoregenerouswiththemoney.ByteDancealsomakesmoneythroughincomesharingdeals.PeopleonTikTok,forexample,canbuydigitalcoinstogivetootherpeopleontheapp—likethrowingmoneyinaperformer’stipjar.ByteDancetakesacutofthoseearnings.ByteDance’sfounderandCEOisZhangYiming,a35-year-oldformerMicrosoftemployee.PeoplewhohaveworkedwithZhangdescribehimassomeonewhothinksdeeplyabouttechnologyandspendsmuchofhisfreetimewritingcode.LikeFacebookandTwitter,ByteDanceisalsobattlingfakenewsandinappropriatecontent.ByteDancepromisestoaddthousandsmoreemployeestoreviewthecontentonDouyin.1、WhatmakesByteDancesospecial?A．Itsappchallengessimilarcompanies’ruleinWesternworld.B．Itinventedthesocialmediaappinitiallyintheworld.C．Itisthebiggestartificialintelligencecompanyontheearth.D．IthascontrolledFacebook,TwitterandSnap.2、WhyisDouyinsopopular?A．Itisanewgenerationhi-techproduct.B．Ithasbothhomeandoverseasversion.C．Itiseasyandtotallyfreetooperateonline.D．Itmeetsthedemandofpeopleindividually.3、HowdoesByteDancemakeaprofit?A．Bychargingtheusers. B．Bychargingtheadvertisement.C．Byforcingtheuserstodonate. D．Bysellingitsartificialintelligence.4、Whatcanbethebesttitleforthetext?A．Douyin,aPopularAppB．ByteDance,aSuccessfulCompanyC．FacebookTogetherwithDouyinIsBattingFakeNewsD．TwitterIsHelpingDouyinAttractMoreAdvertisingMoney24．（8分）I'vejustgottotalkaboutthisproblemI'mhavingwithmypostman.Itallbeganayearago，afterthebirthofhisfirstchild.Notwantingtoappearrude，Iaskedhimaboutthebaby.Thenextweek，notwantinghimtothinkIhadaskedoutofmerepolitenesstheweekbefore.Iaskedallaboutthebabyagain.NowIcan'tbreakthehabit.IfreezewheneverIseehimcoming.Thewords"How'sthebaby？"comeoutontheirown.Itholdsmeup.Itholdshimup.Sowhycan'tIstopit？TheansweristhatIwanthimtolikeme.Cometothinkofit，Iwanteveryonetolikeme.Mysisterhadthesameproblemwiththecaretakerofherblockofflats:"Allheeverdoesiscomplain；hetalksatmeratherthantome，neverlistentoawordIsay，andyetforsomereasonI'malwaysreallynicetohim.I'mworriedincaseIhaveadifficultyoneday，andhewon'tliftafingertohelp."Whataboutatwork？RichardLawton，amanagementtrainer，warns:"Thosemanagerswhoareactuallylikedbymostoftheirstaffarealwaysthosetowhombeinglikedisnottheprimarygoal.Thequalitiesthatmakemanagerspopulararebeinghonestwithstaff，treatingthemashumanbeingsandobservingcommonpolitenesslikesayinghellointhemorning."Toexplainthepoint，Richardmentionsthestoryofthecompanychairmanwhodesperatelywantedtobelikedandwho，aftermakingoneofhismanagersfired，saidwithmoist（湿润的）eyesthathewasso，sosorrythemanwasleaving.Theemployeereplied""Ifyouwerethatsorry，Iwouldn'tbeleaving."Thelessonbeing，therefore，thatifyoutrytoohardtobeliked，peoplewon'tlikeyou.Theexpertssayitallstartsinchildhood."Ifchildrenfeeltheycanonlygetlovefromtheirparentsbybeinggood，"saysZeldaWest-Meads，amarriageguidanceconsultant，"theydeveloplowself-confidenceandbecomecompulsive（难以抑制的）givers."Butisthereanythingwronginbeingagiver，theworldnotbeingexactlyshortoftakers？AnneCousinsbelievesthereis."Thereisapointatwhichgivingbecomesunhealthy，"shesays."Itcomeswhenyoudothingsforothersbutfeelbadaboutit."Iamnowtryinghardtosaytopeople"Ifeeluncomfortableaboutsayingthis，but.."，andtellmyself"Refusalofarequestdoesnotmeanrejectionofaperson"andIfindIcansayalmostanythingtoalmostanyone.1、Whydoestheauthoraskthepostmanabouthisbaby?A．Heisinterestedinthebaby.B．Hewantstocreateagoodimpression.C．Hewantstobealwayspolitetohim.D．It'sawaytostartachatwithgreatpoliteness.2、Whatcouldwefindoutabouttheauthor'ssisterandthecaretaker?A．Shedoesn'twanttoriskdispleasinghim.B．Shedoesn'tpayattentiontohim.C．Heoftenrefusestohelpher.D．Heisimpatientofheroverreaction.3、Managersaremorelikelytobepopularifthey_____________.A．helpthestaffwiththeirproblemsB．makesurethestaffdonotlosetheirjobsC．encouragethestafftobepolitetoeachotherD．donotmaketoomuchefforttobeliked4、whatcanwelearnfromthistext?A．Ifyoutellthetruth,itwillnotmakepeoplelikeyouless.B．Ifyoutaketimetotalktopeople,theywilllikeyoubetter.C．Youshouldavoidunpleasantsituationswherepossible.D．Youshouldn'trefuseotherpeople'srequestsforhelp.5、Whatistheauthor'sintentionofwritingthispassage?A．Toshowhowtoletotherslikeyoumore.B．Toprovehowtocreateaharmoniousatmosphere.C．Toencouragepeopletohavemoreself-confidence.D．Tosuggestwaysofdealingwithdifficultpeople.25．（10分）AteamofengineersatHarvardUniversityhasbeeninspiredbyNaturetocreatethefirstroboticfly.Themechanicalflyhasbecomeaplatformforaseriesofnewhigh-techintegratedsystems.Designedtodowhataflydoesnaturally,thetinymachineisthesizeofafathousefly.Itsminiwingsallowittostayintheairandperformcontrolledflighttasks.“It’sextremelyimportantforustothinkaboutthisasawholesystemandnotjustthesumofabunchofindividualcomponents(元件),”saidRobertWood,theHarvardengineeringprofessorwhohasbeenworkingontheroboticflyprojectforoveradecade.Afewyearsago,histeamgotthego-aheadtostartpiecingtogetherthecomponents.“Theaddeddifficultywithaprojectlikethisisthatactuallynoneofthosecomponentsareofftheshelfandsowehavetodevelopthemallonourown,”hesaid.Theyengineeredaseriesofsystemstostartanddrivetheroboticfly.“Theseeminglysimplesystemwhichjustmovesthewingshasanumberofinterdependenciesontheindividualcomponents,eachofwhichindividuallyhastoperformwell,butthenhastobematchedwelltoeverythingit’sconnectedto,”saidWood.Theflightdevicewasbuiltintoasetofpower,computation,sensingandcontrolsystems.Woodsaysthesuccessoftheprojectprovesthattheflyingrobotwiththesetinycomponentscanbebuiltandmanufactured.Whilethisfirstroboticflyerislinkedtoasmall,off-boardpowersource,thegoaliseventuallytoequipitwithabuilt-inpowersource,sothatitmightsomedayperformdata-gatheringworkatrescuesites,infarmers’fieldsoronthebattlefield.“Basicallyitshouldbeabletotakeoff,landandflyaround,”hesaid.Woodsaysthedesignoffersanewwaytostudyflightmechanicsandcontrolatinsect-scale.Yet,thepower,sensingandcomputationtechnologiesonboardcouldhavemuchbroaderapplications.“Youcanstartthinkingaboutusingthemtoansweropenscientificquestions,youknow,tostudybiologyinwaysthatwouldbedifficultwiththeanimals,butusingtheserobotsinstead,”hesaid.“Sotherearealotoftechnologiesandopeninterestingscientificquestionsthatarereallywhatdrivesusonadaytodaybasis.”1、Thedifficultytheteamofengineersmetwithwhilemakingtheroboticflywasthat__________.A．theyhadnomodelintheirmindB．theydidnothavesufficienttimeC．theyhadnoready-madecomponentsD．theycouldnotassemblethecomponents2、Itcanbeinferredfromparagraphs3and4thattheroboticfly__________.A．consistsofaflightdeviceandacontrolsystemB．canjustflyinlimitedareasatthepresenttimeC．cancollectinformationfrommanysourcesD．hasbeenputintowideapplication3、Whichofthefollowingcanbelearnedfromthepassage?A．Theroboticflyerisdesignedtolearnaboutinsects.B．Animalsarenotallowedinbiologicalexperiments.C．Thereusedtobefewwaystostudyhowinsectsfly.D．Wood’sdesigncanreplaceanimalsinsomeexperiments.4、Whichofthefollowingmightbethebesttitleofthepassage?A．FatherofRoboticFlyB．InspirationfromEngineeringScienceC．RoboticFlyImitatesRealLifeInsectD．HarvardBreaksThroughinInsectStudy第三部分语言知识运用（共两节）第一节（每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项．26．（30分）SoonafterSusansettleddownonaflighttoIllinoisthispasMay,sheglancedoveratherseatmate.Hewasinhis60s,1brightyellowsunglasses,andwasbusy2amessage.Thescreenofthephonewasbigand3,makingiteasyforSusanto4whathewastappingout:“HeyBabe,I’msettingnexttoasmellfatty.”ItremindedSusanofthe5thingsshethoughtaboutherselfonadailybasis.6tearsstreameddownhercheeks.7arowbehindthemwasDavid,a35-year-oldbarmanager.Hecouldseetheman’s8onthephone,too—andhecouldseeSusan.“I9herlookingathisphone,”D.“Iwassicktomystomach.Icouldnothavethisguysittingnexttoherthiswholeflightandhaveherthinkinghe’s10her.”Inaninstant,David11hisseatbeltandstoodup.“Hey,Ineedtotalktoyou,”Davidtoldtheman.“Weare12seats!Now!”Whenthemanasked13,Davidsaid,“You’retextingabouther,andI’mnot14that.”Themanhadto15quickly.DavidtookhisplacenexttoSusanandwassooncheeringuphisnew16.“Hetoldmenottolettheguy17meandthateverythingwasgoingtobefine,”SusanwroteinaFacebookpostaftertheflight.Andhewasright.SheandDavidspenttherestoftheflight18likeoldfriends.Withher19inhumanityrestored(恢复),Susan20onFacebook,“Theflightattendanttoldhimthathewasherhero.Hewasn’therhero—hewasmine.”1、A．wore B．removed C．polished D．adjusted2、A．whispering B．posting C．sending D．copying3、A．narrow B．bright C．blank D．flat4、A．guess B．predict C．recall D．read5、A．comfortable B．ridiculous C．negative D．positive6、A．Regularly B．Soon C．Anyway D．Constantly7、A．Sitting B．Hiding C．Standing D．Lying8、A．picture B．passage C．message D．game9、A．heard B．left C．stopped D．noticed10、A．makingfunof B．relyingon C．givingup D．lookingafter11、A．found B．unfastened C．tightened D．caught12、A．booking B．choosing C．switching D．taking13、A．where B．when C．how D．why14、A．accepting B．doubting C．knowing D．judging15、A．refuse B．answer C．agree D．explain16、A．customer B．seatmate C．manager D．employee17、A．abandon B．control C．cheat D．annoy18、A．chatting B．working C．cheering D．playing19、A．worry B．faith C．knowledge D．view20、A．complained B．wrote C．warned D．sign第二节（每小题1.5分，满分15分）阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。27．（15分）语法填空Yourclassstartsin10minutes,butyoufindyourself1．(stick)intraffic.Don’tpanic.Withjustapressofabutton,yourcarwillliftoffthegroundandflytoschool.What’syour2．(impress)?Itseemslikesciencefiction,butitisn’t.Engineershavetaken3．theresearchofflyingcars,andtheyhavealreadyfound4．(solve)tomanyofthebigchallenges.Theypredictthatwe’llallbeusingthese5．(amaze)vehiclesoneday.AccordingtoCarTrendsMagazine,onemodel,6．ispartcarandpartplane,isgoingtobeonthemarketinthenot-so-distantfuture.Itwilllooklikearegularcarwhenit’sontheroad,butitswingswillunfoldwhenthedriver7．(decide)totaketothesky.And8．(operate)byacomputer,allcontrolswillbeautomatic(自动的).Imaginethis:You’llbedoingyourhomeworkwhileyourcarisgettingyoutoschool9．(safe).Andwhatdoesthisfuturedreamcarcost?Well,atfirstitwillbeaboutamilliondollars,butafterafewyears,you’llbeabletobuy10．for“only”$60,000.Don’tthrowawayyourolddriver’slicensejustyet!第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）请修改下面这篇短文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除和修改。增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。删除：把多余的词用斜线（\）划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。注意：1、每处错误及其修改仅限一词；2、只允许修改10处，多者（从第11处起）不计分。StephenHawking,thebrilliantfigureinthemodernhistoryofphysics,passedawayonMarch14、Heisfamousforhisworkonblackholesorrelativity、Althoughhewasnotabletospeakorwrite,buthepublishedmanybest-sellersonscience,includedABriefHistoryofTime、Wead