江蘇省常州市達(dá)標(biāo)名校2025屆英語(yǔ)高三第一學(xué)期期末監(jiān)測(cè)模擬試題含解析

江蘇省常州市達(dá)標(biāo)名校2025屆英語(yǔ)高三第一學(xué)期期末監(jiān)測(cè)模擬試題請(qǐng)考生注意：1．請(qǐng)用2B鉛筆將選擇題答案涂填在答題紙相應(yīng)位置上，請(qǐng)用0．5毫米及以上黑色字跡的鋼筆或簽字筆將主觀題的答案寫(xiě)在答題紙相應(yīng)的答題區(qū)內(nèi)。寫(xiě)在試題卷、草稿紙上均無(wú)效。2．答題前，認(rèn)真閱讀答題紙上的《注意事項(xiàng)》，按規(guī)定答題。第一部分（共20小題，每小題1.5分，滿(mǎn)分30分）1．Tomakeabreakthroughinhisscientificresearch,thescientisthasbeenmakinga(n)_____amountofeffort.A．modestB．miserableC．optionalD．tremendous2．—Marylookshotanddry.—So________youifyouhadahighfever.A．could B．would C．may D．must3．_______travellingexpensesrisingalot,wehadtochangeallourplansforthetour．A．As B．By C．Since D．With4．Thenewproductisbeyondallpraiseandhasquicklytakenoverthemarket________itssuperiorquality.A．intermsof B．onaccountofC．onbehalfof D．ontopof5．—WhereisPeter?Ican'tfindhimanywhere.—Hewenttothelibraryafterbreakfastand________hisessaythereeversince.A．wrote B．hadwritten C．hasbeenwriting D．iswriting6．--DidJimcome?--Idon’tknow.He_______whileIwasout.A．mighthavecome B．mightcomeC．musthavecome D．shouldhavecome7．Notuntilthebusdisappearedinthedistance________herschoolbagwasgone.A．Tinahadfound B．hadTinafoundC．didTinafind D．Tinafound8．Iwouldpersuadehertomakeroomforyou______itbenecessary.A．could B．mightC．should D．would9．—I’mafraidIcouldn’tgotoyourbirthdayparty.IhaveatestnextMonday.—Oh，！You’remybestfriendandyoumustbethere！A．goahead B．comeon C．youneedn’t D．itdoesn’tmatter10．Toworkfromhome,whichonecouldhardlyimagine,hasbeenmadewiththedevelopmentofcomputertechnology.A．possible B．itpossible C．possibly D．tobepossible11．Governmentsaroundtheworldincreasingly________artificialintelligencetohelppromoteeconomicgrowth.A．putoutB．rolloutC．makeoutD．reachout12．—Whatdidyousayyouwerereluctanttoriskjustnow?—_________tohighlevelsofradiation.A．Beingexposed B．HavingbeenexposedC．Tobeexposed D．Exposed13．—Amazing!Youwearslippersatwork.—Don’tyouknowit’safashion?A．must B．should C．can D．may14．---Howdidyouliketheconcertlastnight?---Ienjoyeditverymuch,butthedancers______abetterjob.A．couldhavedone B．couldn’thavedone C．coulddo D．haddone15．—When______leaveforJapan?—When______leaveforJapaniskeptsecret.”A．theywill,willthey B．willthey,theywillC．theywill,theywill D．willthey,willthey16．We’dbetterdiscusseverything______beforeweworkouttheplan.A．indetail B．ingeneral C．onpurpose D．ontime17．Incontrastwiththeliberalsocialclimateofthepresent,traditionsinthepastwererelatively______.A．competitiveB．comprehensiveC．creativeD．conservative18．—Ourteamhasjustnarrowlywonthegame.Ifeelsorelievednow.—__________!A．Cheerup B．YoubetC．Whatapity D．Welldone19．Nostudent________gooutofschooltohavelunchwithoutpermissionoftheheadteacher.A．might B．mustC．shall D．could20．Aseconomyisdeclining,jobs________totheyoung,continuetobescarce.A．a(chǎn)vailableB．convenientC．comfortableD．valuable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）Culturecanaffectnotjustlanguageandcustoms,butalsohowpeopleexperiencetheworldonsurprisinglybasiclevels.Researchers,withthehelpofbrainscans,haveuncoveredshockingdifferencesinperception（感知）betweenWesternersandAsians,whattheyseewhentheylookatacitystreet,forexample,orevenhowtheyperceiveasimplelineinasquare,accordingtofindingspublishedinaleadingsciencejournal.Inwesterncountries,culturemakespeoplethinkofthemselvesashighlyindependentindividuals.Whenlookingatscenes,Westernerstendtofocusmoreoncentralobjectsthanontheirsurroundings.EastAsiancultures,however,emphasizeinter-dependence.WhenEasternerslookatascene,theytendtofocusonsurroundingsaswellastheobject.Usinganexperimentinvolvingtwotasks,DrHeddenaskedsubjectstolookatalinesimplytoestimateitslength,ataskthatisplayedtoAmericanstrengths.Inanother,theyestimatedtheline’slengthrelativetothesizeofasquare,aneasiertaskfortheAsians.Thelevelofbrainactivity,bytrackingbloodflow,wasthenmeasuredbyBrainScanners.Theexperimentfoundthatalthoughtherewasnodifferenceinperformance,andthetaskswereveryeasy,thelevelsofactivityinthesubjects’brainsweredifferent.FortheAmericans,areaslinkedtoattentionlitupmore,whentheyworkedonthetasktheytendedtofindmoredifficult—estimatingtheline’ssizerelativetothesquare.FortheAsians,theattentionareaslitupmoreduringthehardertaskalso—estimatingtheline’slengthwithoutcomparingittothesquare.ThefindingsareareflectionofmorethantenyearsofpreviousexperimentalresearchintoEast-Westdifferences.Inonestudy,forinstance,researchersofferedpeopleachoiceamongfivepens;fourredandonegreen.EasternersweremorelikelytochoosearedpenwhileWesternersweremorelikelytochoosethegreenone.Cultureisnotaffectinghowyouseetheworld,buthowyouchoosetounderstandandinternalize(使內(nèi)化)it.Butsuchhabitscanbechanged.SomepsychologicalstudiessuggestthatwhenanEasternergoestotheWestorviceversa,habitsofthoughtandperceptionalsobegintochange.Suchresearchgivesuscluesonhowourbrainworksandishopefulforustodevelopprogramstoimproveourmemory,memorytechniquesandenhanceandaccelerateourlearningskills.1、Accordingtothepassage,Chinesepeoplearemostlikelyto________.A．moreemphasizeindependentthinkingB．a(chǎn)lwaysfocusmoreontheirsurroundingsC．focusonthecontextaswellastheobjectD．thinkofWesternersashighlyindependentunits2、Weknowfromthepassagethatpeople’sbrainswillbemoreactivewhen________.A．thetaskismucheasierB．thebloodflowistrackedC．peoplebegintochoosecolorsD．thetaskismoredifficult3、WhatdoesDrHedden’sexperimentinParagraph4-5indicate?A．Culturehasagreatimpactonthewaypeopletalkandbehave.B．EasternersandWesternersperceivetheworlddifferently.C．People'sperceptionoftheworldcanbechanged.D．AmericansarebetteratcalculatingthantheAsians.4、Itcanbeinferredfromthepassagethat________.A．EasternersprefercollectivismtoindividualismB．EastAsiancultureslaymoreemphasisonindependenceC．ittookovertenyearstofindouthowtoimproveourbrainpowerD．Americanswillchangetheirhabitsofperceptionwhenthey’reinBritain22．（8分）HongKongMuseumofArtEstablishedin1962,thepurposeofHongKongMuseumofArtistopreservetheculturalheritageofChinawithalocalfocus.HongKongMuseumofArtfeaturesmorethan15000differentobjectsofancientChineseartfromHantoQingDynasty.StandardticketHK$10;Students,Seniors,DisabledHK$5;FreeadmissiononWednesday!OpeningHours:10:00am-6:00pm(Mon,Tues,Wed,Fri,Sun);10:00am-8:00pm(Sat);ClosedonThursday(exceptPublicHolidays)Phone:+(852)27210116HongKongSpaceMuseumItisoneofthelargestplanetariumsintheworld.Openedin1980,themuseumsuniqueegg-shapeddomestructureaddedanotherfamousarchitecturalhighlighttoHongKong.StandardticketHK$10;Students,Seniors,DisabledHK$5;FreeadmissiononWednesdayOpeningHours:1:00pm-9:00pm(Mon,Wed,Thur,Fri);10:00am-9:00pm(Sat,SunandPublicHolidays);ClosedonTuesday(exceptPublicHolidays)Phone:+(852)27210226HongKongScienceMuseumItopenedin1991andcoversawiderangeofscienceandtechnologyandincontrasttotraditionalmuseums,theHongKongScienceMuseumencouragesitsvisitorstoactivelyparticipate,exploreandexperiencetheexhibitions.Especiallyforkidsthisisagreatlearningandfunopportunity.StandardticketHK$25;Students,Seniors,DisabledHK$12.5;FreeadmissiononWednesday!OpeningHours:1:00pm-9:00pm(Mon,Tues,Wed,Fri);10:00am-9:00pm(Sat,SunandPublicHolidays);ClosedonThursday(exceptPublicHolidays)Phone:+(852)27323232HongKongMuseumofHistoryEstablishedin1975,itisnotonlyahighlightforhistorylovers,butalsoforthearchitecturalenthusiasts.On17500squaremeters,themuseumpreservesanddisplays6000yearsofHongKonghistory.StandardticketHK$10;Students,Seniors,DisabledHK$5;FreeadmissiononWednesday!OpeningHours:10:00am-6:00pm(Mon,Wed–Sat);10:00am-07:00pm(SunandPublicHolidays);ClosedonTuesday(exceptPublicHolidays)Phone:+(852)27249042（307詞）1、HowmuchdoesitcostsforacoupletovisitHongKongSpaceMuseumonFriday?A．HK$10B．HK$5C．HK$15D．HK$202、HowisHongKongScienceMuseumdifferentfromtheothers?A．Ithasuniqueegg-shapeddomestructure.B．Visitorscantakepartintheexhibitionsactively.C．IthelpstopreservethehistoryofHongKong.D．PeoplecanlearnthehistoryofHongKong.3、WhatdotheMuseumsmentionedinthetexthaveincommon?A．Theiropeningtimearethesame.B．Theyallopenfreelyonpublicholidays.C．Theirfreeadmissiondaysarethesame.D．Theyareallintendedforhistorylovers.23．（8分）Laptopcomputersarepopularallovertheworld.Peopleusethemontrainsandairplanes,inairportsandhotels.Theselaptopsconnectpeopletotheirworkplace.IntheUnitedStatestoday,laptopsalsoconnectstudentstotheirclassrooms.WestlakeCollegeinVirginiawillstartalaptopcomputerprogramthatallowsstudentstodoschoolworkanywheretheywant.Withinfiveyears,eachofthe1500studentsatthecollegewillreceivealaptop.Thelaptopsarepartofa$10millioncomputerprogramatWestlake,a110-year-oldcollege.ThestudentswithlaptopswillalsohaveaccesstotheInternet.Inaddition,theywillbeabletousee-mailto“peak”withtheirteachers,theirclassmates,andtheirfamilies.However,themostimportantpartofthelaptopprogramisthatstudentswillbeabletousecomputerswithoutgoingtocomputerlabs.Theycanworkwithitathome,inafast-foodrestaurantorunderthetrees—anywhereatall!Becauseofthemanychangesincomputertechnology,laptopuseinhighereducation,suchascollegesanduniversities,isworkable.Aslaptopsbecomemorepowerful,theybecomemoresimilartodesktopcomputers.Inaddition,theportablecomputerscanconnectstudentstonotonlytheInternet,butalsolibrariesandotherresources.Statehigher-educationofficialsarestudyinghowlaptopscanhelpstudents.Stateofficialsarealsotestinglaptopprogramsatotheruniversities,too.AtWestlakeCollege,morethan60percentofthestaffusecomputers.Thelaptopswillallowallteacherstousecomputersintheirlessons.AsoneWestlaketeachersaid,"HereweareinthemiddleofVirginiaandwe'regivingstudentsawindowontheworld.Theycanseeeverythinganddoeverything.”1、Themainpurposeofthelaptopprogramistogiveeachstudentalaptopto.A．usefortheirschoolworkB．a(chǎn)ccesstheInternetC．workathomeD．connectthemtolibraries2、WhichofthefollowingistrueaboutWestlakeCollege?A．Allteachersusecomputers.B．1500studentshavelaptops.C．ItisanoldcollegeinAmerica.D．Studentstherecandoeverything.3、Awindowontheworldinthelastparagraphmeansthatstudentscan.A．a(chǎn)ttendlecturesoninformationtechnologyB．travelaroundtheworldC．getinformationfromaroundtheworldD．havefreelaptops4、Whatcanweinferfromthepassage?A．Theprogramissuccessful.B．Theprogramisnotworkable.C．Theprogramistooexpensive.D．Wedon'tknowtheresultoftheprogramyet.24．（8分）OptimismMayHelpPeopleLiveLongerPeoplewhohaveanoptimisticviewonlifearemorelikelytolivelonger,aUSstudysaidWednesday.Thestudy,publishedintheAmericanJournalofEpidemiology,analyzeddatafrom2004to2012from70,000womenenrolledintheNurses’HealthStudy,along-runningUSstudytrackingwomen’shealthviasurveyseverytwoyears.Theresearcherslookedatparticipants’levelsofoptimismandotherfactorsthatmightplayaroleinhowoptimismmayaffectmortalityrisk,suchasrace,highbloodpressure,diet,andphysicalactivity.Itfoundthemostoptimisticwomen,orthetop25%,hadanearly30percentlowerriskofdyingfromanyofthediseasesanalyzedinthestudycomparedwiththeleastoptimisticwomen,orthebottom25%.Themostoptimisticwomenhada16percentlowerriskofdyingfromcancer;38percentlowerriskofdyingfromheartdisease;39percentlowerriskofdyingfromstroke;38percentlowerriskofdyingfromrespiratorydisease;and52percentlowerriskofdyingfrominfection.Previousstudieshavelinkedoptimismwithreducedriskofearlydeathfromcardiovascular(心腦血管的)problems,butthiswasthefirsttofindalinkbetweenoptimismandreducedriskfromothermajorcauses.“Whilemostmedicalandpublichealtheffortstodayfocusonreducingriskfactorsfordiseases,evidencehasbeenmountingthatenhancingpsychologicalresilience(彈性，復(fù)原力)mayalsomakeadifference,”saidEricKim,researchfellowattheHarvardT.H.ChanSchoolofPublicHealthandco-leadauthorofthestudy.“Ournewfindingssuggestthatweshouldmakeeffortstoboostoptimism,whichhasbeenshowntobeassociatedwithhealthierbehaviorsandhealthierwaysofcopingwithlifechallenges.”Thestudyalsofoundthathealthybehaviorsonlypartiallyexplainthelinkbetweenoptimismandreducedmortalityrisk.Oneotherpossibilityisthathigheroptimismdirectlyaffectsourbiologicalsystems,Kimsaid.Co-leadauthorandpostdoctoralresearchfellowKaitlinHagansaidoptimismcanbevariedwithrelativelyuncomplicatedandlow-costinterventions(干預(yù)),eventhingsassimpleashavingpeoplewritedownandthinkaboutthebestpossibleoutcomesforvariousareasoftheirlives,suchascareersorfriendships.“Encouraginguseoftheseinterventionscouldbeaninnovativewaytoenhancehealthinthefuture,”Hagansaid.1、Accordingtotherecentstudy,optimismcan________.A．helpwomenlivelongerthanmenB．enablepeopletostayhealthyC．curepeopleofhighbloodpressureD．makewomanstayyoungandnice2、Fromtherecentstudy,theoptimisticwomen________.A．tooktheriskofdyingfrominfectionB．werelesslikelytodiefromsomediseaseC．hada39%lowerriskofsufferingfromcancerD．werelesslikelytosufferfromlowemotions3、Theunderlinedword“mounting”inparagraph7mightbebestplacedby________.A．increasing B．a(chǎn)ppearingC．doubling D．showing4、BothKimandHaganbelievedthat________.A．simplebuthigh-costinterventionsshouldbetriedoutB．higheroptimismindirectlyinfluencesourbodyC．optimismshouldbeencouragedanddevelopedD．optimismcanhelppeoplemeetallkindsofchallenges25．（10分）Solarenergysystems/powerplantsdonotproduceairpollution,waterpollution,orgreenhousegases.Usingsolarenergycanhaveapositive,indirecteffectontheenvironment,whensolarenergyreplacesorreducestheuseofotherenergysourcesthathavelargereffectsontheenvironment.However,somepoisonousmaterialsandchemicalsareusedtomakethephotovoltaic(光電池的)cellsthatconvertsunlightintoelectricity.Somesolarthermal(保熱的)systemsusepotentiallyhazardousliquidstotransferheat.Leaksofthesematerialscouldbeharmfultotheenvironment.U.S.environmentallawsregulatetheuseandsettlementofthesetypesofmaterials.Aswithanytypeofpowerplant,largesolarpowerplantscanaffecttheenvironmentneartheirlocations.Theplacementofthepowerplantmayhavelong-termeffectsonthehabitatsofnativeplantsandanimals.Somesolarpowerplant-smayrequirewaterforcleaningsolarcollectorsandconcentratorsorforcoolingturbinegenerators.Usinglargevolumesofgroundwaterorsurfacewaterinsomedrylocationsmayaffecttheecosystemsthatdependonthesewaterresources.Inaddition,thebeamofconcentratedsunlightasolarpowertowercreatescankillbirdsandinsectsthatflyintothebeam.Theamountofsolarenergythattheearthreceiveseachdayismanytimesgreaterthanthetotalamountofallenergythatpeopleconsumeeachday.However,onthesur~aceoftheearth,solarenergyisavariableandirregularenergysource.Theamountofsunlightandtheintensityofsunlightvariesbytimeofdayandlocation.Weatherandclimateconditionsaffecttheavailabilityofsunlightdailyandonaseasonalbasis.ThetypeandsizeofasoIarenergycollectionandconversionsystemdetermineshowmuchoftheavailablesolarenergywecanconvertintousefulenergy.1、Whichofthefollowingbestexplains"hazardous"underlinedinparagraph2?A．inexpensive B．dangerousC．ineffective D．a(chǎn)bnormal2、Whatinfluencecanlargesolarpowerplantshaveonthelocations?A．Pollutingthegroundwater.B．Protectingthehabitatsofplantsandanimals.C．Damagingthelocalnaturalbalance.D．Attractingbirdsandinsectstothearea.3、Whatdoesthelastparagraphmainlytellus?A．Differentareasreceivedifferentamountofsolarenergy.B．Howtoconvertsolarenergyintousefulenergy.C．Therelationshipbetweensolarenergycollectionandthesunlight.D．Somefactorsthatinfluencetheamountofsolarenergycollection.4、Whatdoestheauthorthinkofthesolarenergysystems?A．Theyaretotallyenvironment-friendly.B．Theyhavebothadvantagesanddisadvantages.C．Theyshouldbeforbiddeninthefuture.D．TheyshouIdbeencouragedinquantities.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）Duringmysecondyearinhighschool,Igotsickandmissedafewdays.WhenI.1,Iwasgreetedwithtwoessaysdue,threedaysofmathandhistoryhomework,plusseveraltests2Iwenthomefromschoolthatdayexhausted,Ihadtostayupreallylatetofinishthemall.Thenextdayatschool,Igotarudeawakening:I'dtotallyforgottentoprepareforthe3onRomeoandJuliet,whichI'dtake4mylunchhour!Worsestill,Ihad5thein-classdiscussionandallthenotes.Whenlunchcame,IwenttotheEnglishroomtofacemycertaindoom(厄運(yùn)).AllIcoulddowastryto6onthequestionsIdidn'tknow.Asitturnedout,Ididn’tknowthemajorityofthequestions.Iwasjustabouttogive7whenmypencilaccidentallyfellandbroke.Standingbytheblackboardsharpeningmypencil,I8downandthereinfullviewlaytheanswersheetforthetest!Whatgoodfortune!Icankissgood-byetoallmy9offailingthetest!Myheartstartedbeating,andmybrain10Yes!Readovertheanswers-quickly!Thiswasquicklyfollowedbyanothervoice,No!You’llgetcaught!Mymindturningbackandforth,Yes!No!Yes!No!Thiswentonfortenofthe11secondsinmyentirelife.Finally,Idecidedtofinishthetestonmyown,without12!Iwassatisfiedwithmydecisionbutpretty13Ihadfailedthetest.ThenextdaywhenIwalkedintotheEnglishroom,mygreatjoyofhavingbeenan14soulchangedintoawaveofdoomasIsawmytestpaperlyingfacedownonmydesk.Iknewwhatawaitedme.IstaredatitafewsecondsbeforeIgotupthe15toturnitover.Youcanonlyimaginemy16whenIfearedthatIhadpassedthetest!Ihaveneverinmywholelifebeensohappytoseemy17,aC．Mymomsaysthevictoriesthat18themostcouragearewonwithin.NowIknow19whatshemeansNownotonlycanmyconscience(良心)resteasy,butIdon'thavetoworryaboutgettingcaughtandmeetingasad20likeRomeoandJuliet.1、A．a(chǎn)rrived B．returned C．a(chǎn)ppeared D．finished2、A．If B．Because C．Until D．Although3、A．lecture B．test C．play D．essay4、A．by B．upon C．over D．toward5、A．missed B．carried C．lost D．dropped6、A．depend B．a(chǎn)gree C．guess D．improve7、A．in B．off C．out D．a(chǎn)way8、A．wrote B．settled C．calmed D．looked9、A．boredom B．tiredness C．loneliness D．worries10、A．whispered B．warned C．persuaded D．flashed11、A．coldest B．saddest C．longest D．fastest12、A．suffering B．checking C．cheating D．thinking13、A．certain B．regretful C．a(chǎn)nnoyed D．relieved14、A．open B．honest C．optimistic D．energetic15、A．wisdom B．nerve C．intention D．encouragement16、A．a(chǎn)nxiety B．fear C．shock D．a(chǎn)ppreciation17、A．paper B．credit C．rate D．grade18、A．take B．put C．find D．gain19、A．gradually B．exactly C．willingly D．seemingly20、A．film B．fact C．ending D．love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）HomeofthecopperdrumHechi’scopperdrumculturegoesbackasfarastheHanDynasty(206BC—AD220),1．thepeoplelivingintheareaconsideredcopperdrumssacredandHechiisstilloneofChina’s2．(large)copperdrumsites.A2003surveybyculturalheritagedepartments3．(find)morethan1,400copperdrumsinthearea,withatleast1,300copperdrums4．(be)usedbylocalfolkartists.Inthisway,ethnicgroupsinHechihaveproduceda5．(unique)richanddiverseculturalformandcustomsforfestivals,weddings,celebrations,funerals,andreligious6．(activity)oflocalpeople,withballadsandforrice-plantingandfrogs.Thatsameyear,acopperdrumconservationprojectalongtheHongshuiRiverbasinjoinedtheCultureMinistry’sTop10conservationprojectlistforethnicandfolkcultures.In2006,theZhuangPeople’sCopperDrumPractices7．(add)tothenationalculturalheritagelistbytheStateCouncil.In2008,theCultureMinistrydeclaredDonglancountyand8．cityofHechithe“HomeofChineseCopperDrumArt”9．in2009,its“CopperDrumPractice”becameacandidatefortheHumanCulturalHeritage.Therearenowmorethan2,400copperdrumsintheworld,atleast1,400of10．(they)inHechi,makingitaCopperDrumCulturalandEcologicalReservewithrecognitionacrossGuangxi,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）MyyoungerbrotherJohnhasatoothachelastnight、Thismorning,mymothertookhimtoseeadentist、GointohospitalwasalwaysveryfrightenedforJohn、Hestruggledtogetawaywhilethedentistwasgivinghimexamination、Heyelledterriblywhenthedentistwaspullinghistooth、Severalminuteslate,thedentistgoteverythin