………………○………………外………………○………………裝………………○………………訂………………○………………線………………○………………○………………內(nèi)………………○………………裝………………○………………訂………………○………………○………………外………………○………………裝………………○………………訂………………○………………線………………○………………○………………內(nèi)………………○………………裝………………○………………訂………………○………………線………………○………………此卷只裝訂不密封………………○………………○………………內(nèi)………………○………………裝………………○………………訂………………○………………線………………○………………○………………外………………○………………裝………………○………………訂………………○………………線………………○…學(xué)校：______________姓名：_____________班級：_______________考號：______________________試題第=PAGE4*2-17頁（共=SECTIONPAGES5*210頁）試題第=PAGE4*28頁（共=SECTIONPAGES5*210頁）試題第=PAGE6*2-111頁（共=SECTIONPAGES6*212頁）試題第=PAGE6*212頁（共=SECTIONPAGES6*212頁）絕密★考試結(jié)束前2024-2025學(xué)年高二英語上學(xué)期期中模擬卷（考試時間：120分鐘試卷滿分：150分）注意事項：1.答卷前，考生務(wù)必將自己的姓名、準(zhǔn)考證號填寫在答題卡上。2.回答選擇題時，選出每小題答案后，用2B鉛筆把答題卡上對應(yīng)題目的答案標(biāo)號涂黑。如需改動，用橡皮擦干凈后，再選涂其他答案標(biāo)號?；卮鸱沁x擇題時，將答案寫在答題卡上。寫在本試卷上無效。3.測試范圍：選擇性必修一Units1~5（人教版2019）4.難度系數(shù)：0.65。5.考試結(jié)束后，將本試卷和答題卡一并交回。第一部分聽力（共兩節(jié)，滿分30分）做題時，請先將答案標(biāo)在試卷上。錄音內(nèi)容結(jié)束后，你將有兩分鐘的時間將試卷上的答案轉(zhuǎn)涂到答題卡上。第一節(jié)（共5小題；每小題1.5分，滿分7.5分）聽下面5段對話。每段對話后有一個小題，從題中所給的A、B、C三個選項中選出最佳選項。聽完每段對話后，你都有10秒鐘的時間來回答有關(guān)小題和閱讀下一小題。每段對話僅讀一遍。1.Whywon’tthewomanlendhercartotheman?A.Hercarisinthecountryside. B.Hercarwon’tbeavailable. C.Hercarisbroken.2.Wherearethespeakersprobably?A.Athome. B.Inarestaurant. C.Inasupermarket.3.Wheredoestheconversationprobablytakeplace?A.Onastreet. B.Inapoliceoffice. C.Inahospital.4.Whendoesthemanplantogettotheparty?A.At6:30pm. B.At7:00pm. C.At7:30pm.5.Whatdoesthewomanhurrytodo?A.Gototheclassroom. B.Catchthebus. C.Gouponefloor.第二節(jié)（共15小題；每小題1.5分，滿分22.5分）聽下面5段對話或獨白。每段對話或獨白后有幾個小題，從題中所給的A、B、C三個選項中選出最佳選項，并標(biāo)在試卷的相應(yīng)位置。聽每段對話或獨白前，你將有時間閱讀各個小題，每小題5秒鐘；聽完后，各小題將給出5秒鐘的作答時間。每段對話或獨白讀兩遍。聽下面一段較長對話，回答以下小題。6.WhatdoesthewomanthinkoftheDramaClub?A.Notveryinteresting. B.Attractive. C.Toohard.7.Whatmayhappentothemanifheactsinadrama?A.Hemayberecognisedeasilyoncampus.B.Hewillhavemorechancestomeetdramastars.C.Hemaybecomeanotherpersoninlife.聽下面一段較長對話，回答以下小題。8.Howdoesthewomanfeelatfirst?A.Tired. B.Worried. C.Hungry.9.Whichplacearethespeakersgoingto?A.Aservicestation. B.Atrainstation. C.Astore.10.Whatisthemanlikelytodonext?A.Driveslowly. B.Haveameal. C.Takearest.聽下面一段較長對話，回答以下小題。11.Whatarethespeakersmainlytalkingabout?A.Schoolthings. B.Classschedules. C.Anartclub.12.Howmanypaintbrushesdotheyneed?A.5. B.6. C.10.13.Whatdoesthemanwantthewomantodo?A.Makeaphonecall. B.Pickhisstuffup. C.Contacttheteacher.聽下面一段較長對話，回答以下小題。14.Whatmadethewomanworriedaboutmovingasachild?A.Makingnewfriends. B.Leavingherparents. C.Packingupthings.15.Whatamazedthewomanaboutherfather?A.Hissuperstrength. B.Hiscookingskills. C.Histalentforvoices.16.Whatwillthewomanprobablydotonight?A.Listentoastory.B.Askherfathertodance.C.Cookdinnerforherparents.17.Whatistheprobablerelationshipbetweenthespeakers?A.Friends. B.Brotherandsister. C.Fatheranddaughter.聽下面一段獨白，回答以下小題。18.WhenwasYuanXinadmittedtoWuhanUniversityofScienceandTechnology?A.In2014. B.In2015. C.In2016.19.WhatdoweknowaboutYuanXin?A.Helosthisleftarm.B.Hehasreceivedadoctor’sdegree.C.Hecamesecondinacompetitionin2019.20.What’sXuXin’simpressionofYuanXin?A.Heiswarm-hearted. B.Heishard-working. C.Heisoptimistic.第二部分閱讀（共兩節(jié)，滿分50分）第一節(jié)（共15小題；每小題2.5分，滿分37.5分）閱讀下列短文，從每題所給的A、B、C、D四個選項中選出最佳選項。AOurlistofsummerprogramsandcampshassomethingforeveryteenager.It’stimeforteenagersexploreandcommentthegreatopportunitiesavailableoncollegecampuses,nationwide,andoverseas.CaliforniaCollegeoftheArts’Pre-CollegeProgramSanFrancisco,CAAtthisweek-longprogram,you’lljoinawiderangeofgroupsofcreativethinkersandmakers“shareyourpassionforartanddesign.You’lltakecollege-levelcourseswhileearning3collegecredits.JuniperYoungWritersAmherst,MAWelookforwriterswhoseworkshowscuriosityandrisk-taking,andwhoareeagertoexperimentwithformsandideasnewtothem,inthecompanyoftheircreativepeers.Weofferteenpoetsandwritersaself-directedjourneyintoaweekofthewildinvention.Workingindependently,participantswillgaininsightintothecreativewritingprocess.WorldVirtualWritingCampsVirtual,OnlineOpentoteensaged13-19,WorldVirtualWritingCampsinvitewriterstoexplorenewtypesofliteratureandlearnfromfamousauthors,editors,andeducatorsastheyworktosharetheirwritingwiththeworld.Wewelcomeyoutojoinourweek-longwritingcamps!PennArtsandSciencesSummerHighSchoolProgramsPhiladelphia,PAWewelcomebrightandambitioushighschoolstudentsfromaroundtheworldtotheIvyLeague(常春藤聯(lián)盟).TheprogramdeliversthechallengeofanIvyLeaguecoursetotalentedhighschoolstudentsseekingadvancedstudies.Studentscanengagewithleadingprofessorsduringthesix-weekprograms.21.What’stheextrabenefitoftheCaliforniaCollegeoftheArts’Pre-CollegeProgram?A.Freecourses. B.Passionforart.C.Collegecredits. D.Journeysofinventions.22.WhatdoJuniperYoungWritersandWorldVirtualWritingCampshaveincommon?A.Theyareaboutwriting.B.Theyrequireteamwork.C.Theyprovideachancetopublishworks.D.Theyprovideoutdooradventureexperiences.23.WhatcanstudentsdointheprograminPhiladelphia?A.Experiencecolorfulcampuslife.B.Meetfamousartistsandscientists.C.Doaninternationalwritingtour.D.Takeadvanced-levelcourses.BNationalGeographicExplorerPaulSalopekiswalkingfromAfricatothetipofSouthAmerica.HeisfollowingthepathourhumanancestorstookoutofAfricaabout200,000yearsago.SalopekhasnamedhisjourneytheOutofEdenWalk.Ashewalksthroughdifferentcountries,landscapes,andcultures,Salopekisdocumentingwhatheseesandhears.Andheisn'twalkingalone.Duringeachpartofhiswalk,Paulisjoinedbyalocalguide.Alongtheway,hemeetspeoplefromsmallvillages,cities,andcountryfarms.Sometimes,theygivehimaplacetostayforanightortwo.Often,hishostssharealittlebitabouttheirliveswithhim.TheOutofEdenWalkiswell-named.Besidesafewridesonboatsorships,Salopekiswalkingtheentireway.Nocars.Hedoesn’tevenridebikes,thoughhedoesusepackanimals.AnimportantpartofSalopek’smissionistotellthestoriesofordinarypeople.Walkinggiveshimmoretimetolookaroundandtotalktothepeopleheencounters.Hehasspokentothousandsofpeoplesincehiswalkbegan.Asheputsit,“Iaminaseven,eight,nine-year-longconversationwithtotalstrangers.”FollowingastoryisnotnewforPaulSalopek.Heisajournalist.HehaswrittenforTheAtlantic,theChicagoTribune,NationalGeographic,andotherpublications.Hisworkshaveearnedmanyawards,includingtwoPulitzerPrizes.Asajournalist,Salopekwouldoftenflyintoanareatocoverastoryandthenquicklyleaveagain.Buthefelthewasmissingpartofthestoryandwantedtodigdeeper.TheOutofEdenWalkwasbornfromthisdesire.Salopekcallsitslowjournalism.Thegoalistodeeplyexploresomeofthemajornewsstoriesofourtimesbytalkingtoordinarypeoplewhoareaffected.AsSalopekdescribesit,“Itisaboutslowingdownenoughtoactuallyinhabitthestoriesofthedayandtogettoknowthepeoplewhoarebehindtheheadlines.”24.WhatistheOutofEdenWalk?A.ItisthelatestpennedworkofPaulSalopek.B.ItisashipjourneyfromAfricatothetipofSouthAmerica.C.ItisatouredlongwalkacrossthecontinentstakenbyPaulSalopek.D.Itisanewfashionablewayoftravellingthroughdifferentcountries.25.WhatdoesSalopekthinkoftheconversationwithstrangers?A.Fruitful. B.Discouraging.C.Challenging. D.Time-wasted.26.WhydidPaulSalopekstarttheOutofEdenWalk?A.TofinishhisworkforthePulitzerPrizes.B.Toexplorethebestheadlinesforthejournalism.C.Tounearththedeeperpartofthemajornewsstories.D.Tointerestthereadersintheancientordinarypeople.27.Whatdoweknowaboutslowjournalism?A.Realisticandworthwhile. B.Influentialbutinformal.C.Humorousandrelaxing. D.Efficientandmeaningful.CComedianSarahSilvermanrecentlyjoinedforceswithbestsellingwritersChristopherGoldenandRichardKadreyagainsttwounlikelyopponents:ChatGPT’screatorOpenAIandMetaPlatforms.Thewritersfiledacopyrightinfringement(侵犯)caseinearlyJulyinwhichtheyclaimtheircopyrightedbookswereusedwithouttheirpermissionaspartoftrainingdatasetforChatGPTandsimilarAImodels.Here’sacriticalpointtoremember:AIslikeChatGPTdon’tparrotbookswordforword.Theygeneratenewcontentbasedonpatternslearnedfromthetrainingdata.Thespecificwordsandsentencesformedaren’tdirectcopiesfromcopyrightedbooks,blurringthelinesoftraditionalinfringement.Ihaveavisionthere’saslimchancethiscasewillholdup,butthefinalcallisinthehandsofthecourts.Thecornerstoneofhuman-learningisimitation(模仿).Thenatureofintelligence—whetherbiologicalorartificialrestsontheabilitytorecognizepatternsandapplythemininnovativeways.AI,suchasChatGPT,operatessimilarly.Itlearnsfromitsenvironment—inthiscase,theextensivedatasetsoftext—andimitatespatternsitfinds.That’showitcancomposeastrikinglyhuman-likestringoftextdespitehavingnoconsciousnessorcreativity.Thecurrentcasechallengesthisunderstanding,claimingthatAI’smethodoflearningbreakscopyrightlaw.Somepublishersprovideacompensation(補償)strategy.Buttherearepotentialissueswiththisapproach.First,itsbeingineffectmightposeenormous,evenunovercomechallenges.ThelargescaleofdatathatAImodelslikeChatGPTtakeinfortrainingthousandsofbooks,millionsofarticles,andmoremakesitimpracticaltotrackdowneverysinglecopyrightholderandnegotiatetermsforuse.ThiscouldresultinhighexpensesforAIdevelopers,potentiallypreventinginnovationanddestroyingpublicmodels.Buthere’saninterestingparadox(悖論)toconsider:ThevictoryofwritersagainstformalAIserviceprovidersmaynotendtheissue.Farfromit.Theoutcomeofthisunfoldingdramacouldbemorethanasimplecourtroomwinorloss;itcouldfundamentallyredefinetheboundariesofartificialintelligenceandcopyrightlaw.28.Whatmaybetheresultofthecaseintheauthor’sview?A.AImaygetawaywithit. B.Writersmaygainhugebenefit.C.AI’sworksmaybebanned. D.Metaplatformsmaybeclosed.29.WhatisParagraph3mainlyabout?A.TherelianceofAIonhumans.B.TheapplicationofAI’simitation.C.TheroleofAIinhumanlearning.D.ThecommonfeatureofAIandhumanbrain.30.Whatwillthecompensationstrategybringabout?A.TheceasingofAIdevelopment. B.Lackofsustainablequalitydata.C.Theprotestsfromthepublishers. D.FinancialburdensforAIdevelopers.31.Whatdoestheauthorintendtodointhelastparagraph?A.Toclarifyhisorherstand. B.Topresentanexample.C.Tomakesomecomparison. D.Toaddbackgroundinformation.DResearchershavediscoveredthatlimitingacertainenzyme(酶)canhaveadramaticimpactinprotectingagainsttheeffectsofAlzheimer’sdisease(阿爾茲海默癥).Thefindingcouldleadtoanewclassofdrugsthatfightthedisease.MuchofthehistoricalresearchintoAlzheimer’sdisease(AD)hasfocusedonplaques(斑塊)thatforminthebrain,whichrecently,though,havebeenfoundnotlikelytobethedirectcauseofit.Inseekinganotherwayforward,agroupofBritishresearchersturnedtoanAustralianstudywhichshowedhavingthegenefortheproductionofanenzymeknownasPDE4BwasidentifiedasariskfactorfordevelopingAlzheimer’s.WiththeintentionofinvestigatinghowPDE4Bmightaffectthebrain,theUKteamgeneticallymodified(改造)micewithAlzheimer’storeducePDE4Bactivity.Theresultsareastonishing.First,themicewithAlzheimer’sandnormalPDE4Bexpressionshowedmemorylossinthesenseofdirection,adistinctivecharacteristicofAD.ButthosewhohadthegeneticmodificationtohavelessPDE4Bactivityshowednodamageatall.Theteamalsoobservedthatinflammation(炎癥),anotherhallmarkofAD,decreasedtosomeextentinthebrainsofmicewithlessPDE4Bactivity,comparedtothosewithmoreoftheenzyme.BecausealloftheseeffectswerefoundinthemicethatalreadyhadAlzheimer’sbuthadsignificantimprovementinsymptoms,theresearcherssaythatfurtherinvestigationintohowtolimitPDE4Binhumanpatientswiththeconditioncouldleadtonewtreatmentpathways.“TheseresultsofferrealhopeforthedevelopmentofnewtreatmentsthatwillbenefitpatientswithAlzheimer’sdiseaseinthefuture,”saidNeilDawson,aco-authorofthestudy.“ThenextstageistotestwhetherPDE4B-limitingdrugshavesimilarbeneficialeffectsintheADmousemodel,totesttheirpotentialeffectivenessinhumanAlzheimer’sdisease.”32.HowdidtheBritishresearchersgettheinspiration?A.ByfiguringoutthedirectcauseofAD. B.Bygoingovermuchhistoricalresearch.C.ByreferringtoapreviousAustralianstudy. D.BybreakingdownPDE4BintheADmouse.33.WhatcanbelearntaboutPDE4B?A.Itsactivitypromotesthesenseofdirection. B.ItmightbringaboutthedevelopmentofAD.C.Itisprocessedbyacertainenzymeinthebrain. D.Itwillbeinvestigatedtoreducemicebrainactivity.34.Whatdoestheunderlinedword“hallmark”inParagraph4mean?A.Cause. B.Feature. C.Principle. D.Finding.35.Whatdothelasttwoparagraphsmainlytalkabout?A.Thefutureresearchfocus. B.Theexistingresearchbackground.C.Theprobableresearchlimitation. D.Thepracticalresearchapplication.第二節(jié)（共5小題；每小題2.5分，滿分12.5分）閱讀下面短文，從短文后的選項中選出可以填入空白處的最佳選項。選項中有兩項為多余選項。TrafficRegulationandAccidentPreventionWeliveinaremarkabletime,andmanyoftheoncefataldiseasescannowbecuredwithmodernmedicineandsurgery.36Expectationsoflifehavegreatlyincreased.Butthoughthepossibilityoflivingalongandhappylifeisgreaterthaneverbefore,everydaywewitnesstheincrediblekillingofmen,womenandchildrenontheroads.Manfightsagainstthemotor-car.Itisanever-endingbattlewhichmanislosing.37Nothingcanseriouslyincreaseyourriskofpotentiallyfatalcaraccidentsotherthanspeedingandfailingtopaydueattentiontoweatherconditions.38Thereisnodoubtthatthemotor-caroftenbringsoutaman’sveryworstqualities.Usuallyquietandpleasantpeople,whentheyarebehindthesteeringwheel,willbecomeunrecognizable.Theyareimpolite,aggressive,self-willedliketwo-year-old,completelyselfish.Alltheirhiddenfrustrations,disappointments,andjealousyseemtobecausedbydriving.39It’sallforhisownconvenience.Duetoaserioustragedy,thecityisalmostuninhabitableandthehugeparkinglotmakesthetownugly.Thedestructionofruralareasandtheannualmasskillingsarejustastatistic,easilyforgotten.Withregardtodriving,thelawsofsomecountriesarenotstrictandeventhestrictestarenotstrictenough.Trafficrulesareforeveryonetofollowunderanycircumstances,andnoonecanmakeanexceptionunlessyoumakeajokeofyourownlife.Universallyacceptedstandardscanonlyhaveasignificantbeneficialontheincidenceofaccidents.Governmentsshoulddevelopsafetycodesformanufacturers.40Thesemeasuresmaysoundcruel.However,ifthesemeasuresresultinareductioninthelossoflifeeveryyear,theyshouldcertainlynotbeconsideredserious.Afterall,theworldbelongstohumans,notcars.A.Therearefivereasonsfortheaccidentandyouareguilty.B.Everyyearthousandsofpeoplearehorriblykilled,andwesitstillandletithappen.C.Surprisingly,societyshouldsmileatthedriverandforgivehim.D.Someonehasrightlysaidthatwhenapersonissittingbehindthesteeringwheel,hiscarbecomesanextensionofhispersonality.E.Alladvertisementsthatemphasizepowerandperformanceshouldbebanned.F.Itistimetodevelopauniversalnormtoreducethissenselesswasteofhumanlife.G.Itisalmostcertainthatonedayacurewillbefoundfortherestofthediseases.第三部分語言運用（共兩節(jié)，滿分30分）第一節(jié)（共15小題；每小題1分，滿分15分）閱讀下面短文，從每題所給的A、B、C、D四個選項中選出可以填入空白處的最佳選項。Beinggoodatsomethingandhavingapassionforitarenotenough.Success41fundamentallyonourviewofourselvesandoftheeventsinourlives.44howheatingacontainerofwaterwouldbringairbubbling(冒泡)tothesurface.45,thecontainertheteachergaveWilsontoheat46heldsomethingmorevolatile(易揮發(fā)的)thanwater.WhenWilsonheatedit,thecontainer47,leavingWilsonblindedinbotheyes.WhenWilsonreturnedhomefromhospitaltwomonthslater,hisparentstriedtofindawaytodealwiththecatastrophe(災(zāi)難)thathad48theirlives.ButWilsondidnotregardtheaccidentascatastrophic.Helearnedbraille(盲文)quicklyandcontinuedhiseducationatWorcesterCollegefortheBlind.There,henotonlydidwellasastudentbutalsobecamea(n)49publicspeaker.Later,heworkedinAfrica,wheremanypeoplesufferedfrom50forlackofpropertreatment.Forhim,itwasonethingto51hisownfateofbeingblindandquiteanothertoallowsomethingtocontinue52itcouldbefixedsoeasily.Thismovedhimtoaction.AndtensofmillionsinAfricaandAsiacanseebecauseofthecommitmentWilsonmadetopreventingthe53.Wilsonreceivedseveralinternational54forhisgreatcontributions.Helosthissightbutfoundavision.Heprovedthatit’snotwhathappenstousthat55ourlives—it’swhatwemakeofwhathappens.41.A.keeps B.holds C.depends D.reflects42.A.way B.hope C.plan D.measure43.A.continually B.completely C.gracefully D.gradually44.A.direct B.advise C.show D.declare45.A.Somehow B.Moreover C.Anyway D.Thus46.A.mistakenly B.casually C.amazingly D.clumsily47.A.erupted B.exposed C.emptied D.exploded48.A.submittedto B.agreedwith C.impressedon D.happenedto49.A.important B.successful C.specific D.necessary50.A.deafness B.blindness C.depression D.speechlessness51.A.decide B.abandon C.accept D.control52.A.until B.before C.unless D.when53.A.preventable B.professional C.spreadable D.influential54.A.scholarships B.rewards C.awards D.bonuses55.A.distinguishes B.determines C.claims D.limits第二節(jié)（共10小題；每小題1.5分,滿分15分）閱讀下面材料，在空白處填入適當(dāng)?shù)膬?nèi)容（1個單詞）或所給單詞的正確形式。WiththeInternationalConferenceonFoodLossandWasteclosedonSaturdayinJinan,ShandongProvince,thecountryhassentasignalto56worldthatChinawilldealwithissuesconcerningfoodsecuritybyreducinglossandwasteinagriculture.Withthethemeofreducingfoodlossandfoodwasteandpromoting57(globe)foodsecurity,thethree-dayevent58(hold)bothonlineandofflineattractedmorethan300participants.Thecurrentworldgrainproductionisabout2.8billiontonsayear.Therefore,thelossofonlyonepercentage59(be)equaltothelossof28milliontonsoffood.Thiscanfeedabout70millionpeople.Inrecentyears,China60(make)greatprogressincontrollinglossandwasteinfood,withmaineffortsincludingupgradingfacilitiesand61(equip).InShandongProvince,China’smajorgrainproducer,theSinograin(中糧集團(tuán))grainstoragesiteisequippedwith4,500high-definitioncamerasand280,000temperaturesensors62(ensure)thatthestock(儲備)isinthebestcondition.DatashowsthatduringChina’s13thFive-YearPlanperiod(2016-2020),about13milliontonsoffoodhadbeensaved63(year)afterproduction.Wecannotendhunger64wedonotdealwiththehighlevelsoffoodlossandwaste.Cooperationreducingfoodlossandwaste.第四部分寫作（共兩節(jié),滿分40分）第一節(jié)（滿分15分）66.假如你是李華，上周末參觀了一場機器人展，你的朋友Bob對此很感興趣，寫信向你詢問機器人展上的一些細(xì)節(jié)。請你給他寫一封回信，和他介紹一下你最感興趣的機器人。內(nèi)容包括：（1）該機器人的特點；（2）你對該機器人的看法。注意：（1）詞數(shù)80左右；（2）可以適當(dāng)增加細(xì)節(jié)，以使行文連貫。DearBob,________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yours,LiHua第二節(jié)（滿分25分）67.閱讀下面材料，根據(jù)其內(nèi)容和所給段落開頭語續(xù)寫兩段，使之構(gòu)成一篇完整的短文。ItwaslastAugust.Wewereonvacation,justme,myhusband,andourtwokids,outforanice,safe,sociallydistancedweekaway.WewenttoapopularplacecalledDiana'sBaths,wherethewaterfallsoffaseriesofflatrocksupthemountain.Thebathswerefulloffamilies,sowemadeourwaytooneoftheupperlevelsofrocktokeepourdistance.Bothwherewesatanddownbelow,thewaterfelldownandintosmallpools,wherekidsinswimsuitswereplayingwateraround.IwasfrightenedasIsawmytwoboysjumpbetweenthesmoothrocks.Itoldthemtostayawayfromallthoseedges.ButIsoonrelaxed,andwewereallhavingfun,laughinginthepools.Suddenly,IturnedandsawmysonWyattsittingdownbetweentworocksinfast-movingwater.Ishoutedathimtogetout.Hecalledbacksomething