新一代大学英语（第二版）视听说教程3（思政智慧版）课件 B3U3 Building a healthy life

CONTENTS1iPrepare2iExplore13iExplore24iProduce5Pronunciation6Furtherlistening7AdditionallisteningCONTENTSWarmingupLearningobjectivesUNIT3Buildingahealthylifeisaboutunderstandingthechoiceswemakeeverydayandhowtheyshapeouroverallwell-being.Itgoesbeyondphysicalfitnessandincludeswhatweeat,howwemanagestress,howwespendourfreetime,andhowwetakecareofourselvesinourdailyroutines.Inthisunit,youwillexplorethedifferentdimensionsofahealthylife,includingphysicalactivity,balancednutrition,mentalwellness,andpositivehabits,allofwhichcontributetofeelingyourbestphysically,mentally,andemotionally.Ahealthylifestylesupportsnotonlyalongerlife,butalsoahappierandmorefulfillingone.UNIT3Learningobjectives•identifykeyaspectsofahealthylifeandtheirimpactonwell-being•recognizeimportantnumericalinformationwhilelistening•stresstwo-wordcompoundnounscorrectly•proposewaystocontributetoapositiveonlineenvironmentaspartofahealthylifestyle•createapodcastthatintroducesChinesewisdomforwell-beingUponcompletionofthisunit,youwillbeableto:UNIT3WarmingupWorkingroupsanddiscussthefollowingquestions.UNIT3Chineseculturehasmanysayingsthathighlighttheimportanceofhealthandwell-being.Onewell-knownsayingis“药补不如食补.”Itmeansthatmaintaininghealththroughfoodisbetterthanrelyingonmedicine.Thisreflectsthebeliefthatabalanceddietisthefoundationofgoodhealth.Anotherpopularsayingis“笑一笑，十年少,”whichsuggeststhatsmilingcanhelppeoplestayyoungandemphasizestheimportanceofapositivemindsetandemotionalwell-being.1Chineseculturehaslongplacedgreatimportanceonhealthandwell-being.CanyouthinkofanyChineseproverbsorsayingsthatreflectthisvalue?Additionally,thesaying“饭后百步走，活到九十九”suggeststhatwalkingaftermealsisbeneficialtohealthandmaycontributetoalongerlife.Ithighlightsthevalueofregularphysicalactivity.Together,thesesayingsshowthatChineseculturetakesaholisticviewofhealth,encompassingdiet,mentalattitude,andexercise.UNIT3WarmingupMyuniversityoffersarangeofsupportservicestopromotestudents’physicalandmentalwell-being.Forphysicalhealth,studentshavePEclassesaspartoftheircurriculum,aswellassportsfacilitiessuchastenniscourtsandfootballfields.Thereisalsoagymwherestudentscansignupforavarietyofactivitiesandfitnessprograms.Formentalhealth,theuniversityprovidescounselingsessionswithprofessionaltherapists,andthereisadedicatedstudentsupportofficewherestudentscanseekguidanceonacademicorpersonalissues.2Whatkindofsupportdoesyouruniversityofferforstudents’physicalandmentalwell-being?Ifyoucouldsuggestonenewmeasure,whatwoulditbeandwhy?UNIT3WarmingupIfIcouldsuggestonenewmeasure,Iwouldrecommendintroducingmindfulnessandmeditationclasses.Researchhasshownthatmindfulnesspracticecansignificantlyreduceanxietyandimprovefocus.Giventheincreasingpressurestudentsfacetoday,offeringstructuredandaccessiblemindfulnessandmeditationclasseswouldgreatlybenefitstudents’overallwell-being.UNIT3WarmingupCONTENTSPassageConversationNewsreportsUNIT3ListeningandunderstandingConversationWordsandexpressionsflexibilityn.灵活性；柔韧性clumsya.笨拙的；不灵巧的cardiovasculara.心血管的cholesteroln.胆固醇check-upn.体检UNIT3ListeningandunderstandingTaiChi,anancientChineseexercisewithmodernbenefits,isnowenjoyedbymoreandmorepeople.Nowlistentotheconversation,thenchoosethebestanswertoeachofthequestionsyouhear.Listeningandunderstanding1UNIT31A.Toprotecthisjoints.B.Torelievehisbackpain.C.Toenhancehisbalance.D.Toimprovehisflexibility.Q:WhydidthemanoriginallystartpracticingTaiChi?√ConversationListeningandunderstandingTaiChi,anancientChineseexercisewithmodernbenefits,isnowenjoyedbymoreandmorepeople.Nowlistentotheconversation,thenchoosethebestanswertoeachofthequestionsyouhear.Listeningandunderstanding1UNIT32A.Improvedsleepquality.B.Enhancedmentalfocus.C.Increasedmusclestrength.D.Bettercardiovascularhealth.Q:WhichofthefollowingbenefitsofTaiChiwasNOTmentionedbytheman?√ConversationListeningandunderstandingTaiChi,anancientChineseexercisewithmodernbenefits,isnowenjoyedbymoreandmorepeople.Nowlistentotheconversation,thenchoosethebestanswertoeachofthequestionsyouhear.Listeningandunderstanding1UNIT33A.Byloweringbloodpressureandcholesterol.B.Byloweringtheheartratethroughgentleexercise.C.Bymeetingnewpeopleinasupportivecommunity.D.Bycombiningbreathingandslow,mindfulmovements.Q:HowdoesTaiChihelpreducestress,accordingtotheman?√ConversationListeningandunderstandingListentotheconversationagainanddecidewhethereachofthefollowingstatementsistrue(T)orfalse(F).Listeningandunderstanding21ThemanhasbeenpracticingTaiChiforaboutthreeyears.2ThewomanthinksTaiChidoesnotlookgentleandcangettheheartrateup.3AfterthemanstartedpracticingTaiChi,hisdoctorwashappywithhislatestphysicalcheck-up.4TaiChiisenjoyedbybothyoungandoldpeopleintheman’sclass.5Thewomanislikelytojointheman’sTaiChipracticetomorrow.FUNIT3FTTConversationTListeningandunderstandingSarah:Hey,David.Inoticedyou’vebeengettingupearlyforsomeexerciseinthepark.Whathaveyoubeendoing?David:Hi,Sarah.I’vebeenpracticingTaiChiforaboutthreemonthsnow.It’sbeenagame-changerforme.Sarah:TaiChi?Isn’tthatjustforolderpeople?David:That’sacommonmisconception!It’sactuallyacomprehensivemind-bodypracticeforallages.Andthehealthbenefitsareincredible.Ioriginallystartedbecauseofmylowerbackpain,andithashelpedmesomuch.Sarah:Really?Whatkindofbenefitshaveyounoticed?ScriptListeningandunderstandingUNIT3ConversationListeningandunderstandingListeningandunderstandingUNIT3ConversationScriptDavid:Well,mybackpainhasreducedsignificantly.TaiChi’sgentlemovementsstrengthenthecoremusclesandimproveflexibilitywithoutputtingmorepressureonyourjoints.Mybalancehasalsogottennoticeablybetter–Iusedtobequiteclumsy!Sarah:Thatsoundsuseful.I’vebeenfeelingquitestressedlatelywithwork.Couldithelpwiththat?David:Absolutely!It’sbeenamazingformystresslevels.Themeditativeaspects–focusingonbreathingwhiledoingslow,carefulmovements–helpcreateastateListeningandunderstandingofmindfulnessthatreallyreducesanxiety.Mysleepqualityhasimprovedalot,too.Sarah:Idefinitelyneedbettersleep.Whataboutphysicalfitness,though?Ineedsomethingthatgetsmyheartrateup.David:Don’tbefooledbyhowgentleitlooks!It’sgreatforimprovingcardiovascularhealth.Studiesshowitcanlowerbloodpressureandcholesterol.Mydoctorwasimpressedwithmylatestcheck-up.Sarah:Thatsoundswonderful.Isithardtolearn?ScriptListeningandunderstandingUNIT3ConversationListeningandunderstandingDavid:Notatall.It’saccessibleforallfitnesslevels.Myclasshaspeoplefrom25to85yearsold!Plus,thecommunityisveryfriendly–I’vemadesomeamazingfriends.Sarah:You’veconvincedme.When’syournextclass?Imightjoinyou!David:Tomorrowat7a.m.inCentralPark.You’llloveit–justwearcomfortableclothesandbereadytodiscoveranancientpracticewithmodernbenefits!ScriptListeningandunderstandingUNIT3ConversationListeningandunderstandingReadthescenariobelowandthinkaboutwhatyouwanttoaskorshare.DiscussyourinitialideaswiththeAItutor

onUcampus.Youandyourfriendhavebothdecideditistimetogetmoreactive.Youwanttosupporteachotherbyplanningarealisticandfunfitnessroutinethatyoucandotogether.Inyourconversation,youareexpectedtodiscussandagreeonthefollowingquestions.•Whatkindofphysicalactivitydoyoubothenjoyorwanttotry?Role-playRole-playthesituation.STEP1UNIT3Conversation3Listeningandunderstanding•Whathealthbenefitsmightthisactivitybring?•Howoftenwillyouworkouttogether?•Whenandwherewillyouexercise?•Whatelsedoyouneedtoprepare?

Role-playRole-playthesituation.UNIT3StarttheconversationwiththeAItutor.STEP2Reviewthereal-timefeedbackfromtheAIspeakingtoolaftertheconversation.STEP3Conversation3ListeningandunderstandingRole-playStudentA:Hey,I’vebeenthinking,wereallyshouldstartexercisingmoreregularly.Whatkindofactivitydoyouthinkyou’denjoy?StudentB:Itotallyagree!I’vealwayswantedtotrybadminton.Itlooksfunandnottoointense.Whataboutyou?StudentA:Oh,Ilovethatidea!IusedtoplaywhenIwaslittle.Badmintonisgreatbecauseitimprovesourcoordinationandstamina,andit’salsogoodforburningcalories.Plus,it’salotmoreenjoyablethanjustrunningonatreadmill!UNIT3ConversationListeningandunderstandingRole-playStudentB:Exactly!So,howoftendoyouthinkweshouldplay?Iwasthinkingmaybetwoorthreetimesaweektostartwith,somethingrealisticthatwecanactuallystickto.StudentA:Twiceaweeksoundsperfect.HowaboutTuesdayandSaturdaymornings?Theuniversitycourtsareusuallyavailableinthemornings,andit’sagreatwaytostarttheday.StudentB:TuesdayandSaturdaymorningsworkwellforme.Wecouldmeetatthecampussportshallaround8a.m.It’scloseandconvenientforbothofus.UNIT3ConversationListeningandunderstandingRole-playStudentA:Great!Ithinkweshouldalsoprepareproperly.We’llneedtogetracketsandsomecomfortablesportsshoestohelppreventinjuries.StudentB:Goodpoint.Let’sgoshoppingforequipmentthisweekendbeforewestart.I’mreallylookingforwardtoit!StudentA:Metoo!UNIT3ConversationPassageWordsandexpressionsantioxidantn.

抗氧化物oxidativestressn.氧化应激insulinn.

胰岛素inflammationn.发炎；炎症UNIT3ListeningandunderstandingListeningandunderstandingListeningandunderstandingWhatweeatplaysanimportantroleinouroverallhealth,especiallyinthefunctioningofourbrain.Nowlistentothepassage,thenchoosethebestanswertoeachofthequestionsyouhear.Listeningandunderstanding11A.Itincreasesasmentalactivityintensifies.B.Itreachesitslowestpointduringdeepsleep.C.Itisconstantbecausethebrainisalwaysactive.D.Itishigherthanthatofanyotherorganinthebody.Q:Whatdoesthepassagesayaboutthebrain’sneedforfuel?√UNIT3PassageListeningandunderstandingListeningandunderstanding12A.Theymayleadtosymptomssuchasanxiety.B.Theymaybelinkedtoobesityanddepression.C.Theymaynegativelyaffecthowthebrainfunctions.D.Theymaypromotethebody’sabilitytoregulateinsulin.Q:Whathavemultiplestudiesfoundaboutrefinedsugars,accordingtothepassage?√UNIT3PassageWhatweeatplaysanimportantroleinouroverallhealth,especiallyinthefunctioningofourbrain.Nowlistentothepassage,thenchoosethebestanswertoeachofthequestionsyouhear.ListeningandunderstandingListeningandunderstanding13A.Focusoneatingmorevegetablesandfruits.B.Startcuttingoutallrefinedsugarsthenextday.C.Limitprocesseditemsandsugarsforafewmonths.D.Trya“clean”dietforafewweeksandobservehowyoufeel.Q:Whatdietaryadviceisgivenattheend?√UNIT3PassageWhatweeatplaysanimportantroleinouroverallhealth,especiallyinthefunctioningofourbrain.Nowlistentothepassage,thenchoosethebestanswertoeachofthequestionsyouhear.FoodandthebrainWhatyoueatdirectlyaffectsthe1)__________andfunctionofyourbrain.Ultimately,thisalsoaffectsyourmood.High-qualityfoodAdietrichin2)__________,minerals,andantioxidantsnourishesthebrain.It3)__________thebrainfromoxidativestress.ListeningandunderstandingListentothepassageagainandfillintheblankswithwhatyouhear.Listeningandunderstanding2structureUNIT3vitaminsPassageprotectsLow-qualityfoodSubstancesfromprocessedor4)__________foodaredifficultforthebraintogetridof.Theyare5)__________tothebrain.ListeningandunderstandingListeningandunderstandingrefinedUNIT3harmfulPassageListeningandunderstandingThinkaboutit.Yourbrainisalways“on.”Ittakescareofyourbreathingandheartbeat,yoursenses,yourthoughts,andyourmovements–itworkshard24/7,evenwhileyou’reasleep.Thismeansyourbrainrequiresaconstantsupplyoffuel.That“fuel”comesfromthefoodyoueat,andwhat’sinthatfuelmakesallthedifference.Putsimply,whatyoueatdirectlyaffectsthestructureandfunctionofyourbrainand,ultimately,yourmood.ListeningandunderstandingUNIT3ScriptPassageListeningandunderstandingLikeanexpensivecar,yourbrainfunctionsbestwhenitgetsonlythebestfuel.Eatinghigh-qualityfoodthatcontainslotsofvitamins,minerals,andantioxidantsnourishesthebrainandprotectsitfromoxidativestress–aphenomenoncausedbythe“waste”orby-productsproducedwhenthebodyusesoxygen,whichcandamagecells.ListeningandunderstandingUNIT3ScriptPassageListeningandunderstandingUnfortunately,justlikeanexpensivecar,yourbraincanbedamagedifyouconsumeanythingotherthanthebestfuel.Ifsubstancesfromlowerqualityfuel,suchaswhatyougetfromprocessedorrefinedfood,gettothebrain,ithaslittleabilitytogetridofthem.Thistypeoffoodisharmfultothebrain.Inadditiontoworseningyourbody’sregulationofinsulin,processedorrefinedfoodalsopromotesinflammationandoxidativestress.Multiplestudieshavefoundalinkbetweendietshighinrefinedsugarsandpoorbrainfunction–andevenaworseningofsymptomsofmooddisorders,suchasdepression.ListeningandunderstandingUNIT3ScriptPassagePassageListeningandunderstandingStartpayingattentiontohoweatingdifferentfoodsmakesyoufeel–notjustinthemoment,butthenextday.Tryeatinga“clean”dietfortwotothreeweeks–thatmeanscuttingoutprocessedfoodsandsugars.Seehowyoufeel.ListeningandunderstandingUNIT3ScriptThinkingandspeakingInthepassage,thespeakertalksabouttheimportanceoffoodtoourhealth.Workinpairsanddiscussthefollowingquestions.Generallyspeaking,healthyfoodsincludefreshfruitsandvegetables,wholegrains,leanproteinssuchasfishandchicken,aswellasnutsanddairyproducts.Theseprovideessentialnutrientslikevitaminsandmineralsthatsupportouroverallwell-being.Ontheotherhand,foodshighinsugar,salt,orsaturatedfat,suchasfriedfoods,sugarydrinks,processedsnacks,andinstantnoodles,areconsideredunhealthy.Consumingtheseregularlycanleadtoserioushealthproblemssuchasobesity,diabetes,andheartdisease.1

Whatfoodsareconsideredhealthyorunhealthyforthebody?Canyougivesomeexamples?LogontoUcampustosubmityouranswerandgetreal-timefeedback.UNIT33PassageModerneatinghabitscanaffectpeople’slong-termhealthinbothpositiveandnegativeways.Peopletodayhavegreateraccesstonutritioninformation,healthierfoodoptions,andmoreconvenientwaystomanagetheirdiets.However,manypeoplestillrelyheavilyonprocessedandconveniencefoodsduetotheirbusylifestyles,oftenskippingpropermealsoreatingirregularly.Thisshifttowardunhealthyeatingpatternshascontributedtoariseinlifestyle-relateddiseasessuchashighbloodpressure,type2diabetes,andobesity.Furthermore,2

Howdoyouthinkmoderneatinghabitsaffectpeople’slong-termhealth?UNIT3PassageThinkingandspeakingexcessivescreentimeduringmealsmeanspeoplearelessmindfulofwhatandhowmuchtheyeat,whichcanleadtoovereating.Inthelongrun,thesehabitscansignificantlyreducequalityoflifeandplaceagreaterburdenonhealth-caresystems.UNIT3PassageThinkingandspeakingFirstly,studentscouldmakesmarterchoiceswhenselectingmeals,suchasoptingfordishesthatincludevegetablesandleanproteinratherthanheavilyfriedorhighlyprocessedfoods.Secondly,keepinghealthysnackslikefruits,nuts,oryogurtonhandcanhelpstudentsavoidreachingforjunkfoodbetweenclasses.Thirdly,studentsshouldtrytoeatatregulartimeseachdayratherthanskippingmeals,aseatingirregularlycannegativelyaffectmetabolismandenergylevels.Finally,drinkingplentyofwaterthroughoutthedayandcuttingdownonsugarydrinkslikesodaandbubbleteacanmakeasignificantdifferencetooverallhealthovertime.3Whataresomepracticaltipsforuniversitystudentstoeatmorehealthily?UNIT3PassageThinkingandspeakingRecognizingnumericalinformationInlisteningcomprehension,numbersoftencarryimportantinformation,suchasdates,times,prices,statistics,ages,ormeasurements.Sometimesnumbersappearalongsidetrendsorcomparisons,sopayingattentiontothemcanhelpyoubetterunderstandtheoverallmessage.Whenyoulisten,trytowritedownthenumbersyouhear,andmakesuretonotewhattheyreferto:Aretheydescribingachange,anagegroup,oratimeframe?Withpractice,youwillbecomemorecapableofrecognizingnumbersquicklyandusingthemtomakesenseofwhatyouhear.UNIT3NewsreportsNewsreport1Wordsandexpressionsculinarya.烹饪的vibratev.(使）振动aerobica.有氧的shipmentn.运送的货物（量）ECG(electrocardiogram)n.心电图UNIT3NewsreportsListeningandunderstandingInrecentyears,youngpeopleinChinahavebecomeincreasinglyinterestedinhealthandwellness.NowlistentoNewsreport1,thenchoosethebestanswertoeachofthequestionsyouhear.11A.33.8%.B.35%.C.83.7%.D.90%.Q:WhatpercentageofChina’shealthconsumersareaged18to35?√UNIT3NewsreportsNewsreport1Listeningandunderstanding12A.TobuyherbalmilkteasfeaturingtraditionalChinesemedicine.B.TotrytraditionalChineseacupunctureandmassageforwell-being.C.TogetnutritionaladvicethatincludestraditionalChinesemedicine.D.ToreceiveclinicalconsultationsinvolvingtraditionalChinesemedicine.Q:Whyarecrowdswaitinginlineinfrontofahospital?√UNIT3Inrecentyears,youngpeopleinChinahavebecomeincreasinglyinterestedinhealthandwellness.NowlistentoNewsreport1,thenchoosethebestanswertoeachofthequestionsyouhear.NewsreportsNewsreport1Listeningandunderstanding13A.TheyreplacehospitalservicessuchasECG.B.Theyprovideprofessionalmedicaladvice24/7.C.Theyrecordhealthdatainappsforpayingusers.D.Theymonitorhealthmetricsandencourageexercise.Q:Howcansmartwatchescontributetopeople’swellness?√UNIT3Inrecentyears,youngpeopleinChinahavebecomeincreasinglyinterestedinhealthandwellness.NowlistentoNewsreport1,thenchoosethebestanswertoeachofthequestionsyouhear.NewsreportsNewsreport1ListeningandunderstandingFromherbalteastosmartwatches,youngpeopleinChinaareleadingawellnessrevolution.AccordingtoareportonthenutritionconsumptiontrendsofChina’sGenerationZ,youngpeoplearebecomingthemainforceinhealthconsumption–withthoseaged18to35accountingfor83.7%ofChina’shealthconsumers.Atanherbalmilkteashopinfrontofahospital,crowdscanbeseenwaitinginlineforblendsthatcombinetraditionalChinesemedicinewithmodernculinarytechniques.AsyoungconsumersembracetraditionalChinesemedicine,clinicalconsultationsatthehospital’snutritiondepartmenthavesurgedby30%to35%ayear.UNIT3ScriptNewsreportsNewsreport1Technologyisalsoreshapingthewellnessgame.WhenprogrammerZhangYang’ssmartwatchvibratesafter90minutesofsitting,hestepsawayfromworkforaroundofbaduanjin,atraditionalaerobicexercise,whilehishealthapplogshisactivityinrealtime.China’sshipmentsofwrist-worndevicessoared33.8%year-on-yearto20.8millionunitsinthesecondquarterof2025,asadvancedhealthtrackinghasbecomewidelypopularamongyoungpeople.Smartwatchesnowofferfeatureslikeheartratemonitoring,bloodoxygenmeasurement,andECGtracking,making24/7wellnessmanagementmoreaccessiblethanever.UNIT3ScriptNewsreportsNewsreport1ListeningandunderstandingThenewsreportmentionstwoexamplesofhowyoungpeopleinChinaareembracingwellness:traditionalChinesemedicineproductslikeherbalmilkteaandtechnology-driventoolslikesmartwatches.Canyouthinkofanyotherexamplesthatshowyoungpeople’sgrowinginterestinwellness,eitherinChinaoraroundtheworld?2UNIT3NewsreportsNewsreport1Oneexamplethatcomestomindisthegrowingpopularityoffitnessanddietappsamongyoungpeople.Manyofmyfriendsusethemtocountdailysteps,monitorcalorieintake,tracksleepquality,andfollowpersonalizedworkoutplans.Thishasmadehealthyhabitsfeelmoremeasurableandeasiertomanageineverydaylife.ListeningandunderstandingUNIT3NewsreportsNewsreport1Anotherexampleistheroleofshort-videoplatformsandsocialmedia.Alotofyoungpeoplefollowworkouttutorialspostedbyfitnessinfluencers,exercisealongwiththevideos,andsharetheirprogresstostaymotivated.Overall,thesetoolsmakehealthyhabitsmoreaccessibleandsociallyengaging,whichisprobablywhytheyaresopopularamongyoungpeople.Newsreport2WordsandexpressionsMRI(magneticresonanceimaging)n.磁共振成像

neuroimagingn.神经成像foreshadowvt.预示；是…的预兆PropernamesUKBiobank英国生物银行（英国生物医学数据库）UNIT3NewsreportsListeningandunderstandingSleepisanimportantpartofourdailylivesandhasastrongconnectiontoourhealth.NowlistentoNewsreport2

andchoosethebestanswertoeachofthequestionsyouhear.21A.Itincludesmorethan500,000participantsaged40to69.B.Itobtainsdataprimarilyfromparticipants’brainMRIscans.C.Itexcludesdaytimenappingfromtheaveragesleepduration.D.Itmainlycollectsdatafromhospitalpatientswithsleepdisorders.Q:WhatcanwelearnabouttheUKBiobankfromthenewsreport?√UNIT3NewsreportsNewsreport2ListeningandunderstandingSleepisanimportantpartofourdailylivesandhasastrongconnectiontoourhealth.NowlistentoNewsreport2

andchoosethebestanswertoeachofthequestionsyouhear.22A.Atleast9hours.B.Around10hours.C.Nomorethan7hours.D.Approximately8hours.Q:Whatcanweinferfromthestudyaboutthehealthiestsleepduration?√UNIT3NewsreportsNewsreport2ListeningandunderstandingSleepisanimportantpartofourdailylivesandhasastrongconnectiontoourhealth.NowlistentoNewsreport2

andchoosethebestanswertoeachofthequestionsyouhear.23A.Sleepproblemsaredifficulttofixaftermiddleage.B.Peopleinmiddleageoftenexperienceunhealthysleep.C.Theonsetofstrokeanddementiausuallyoccursinmiddleage.D.Itisakeytimetoadopthealthiersleephabitstoprotectthebrain.Q:Whatdoesthestudysuggestaboutmiddleage?√UNIT3NewsreportsNewsreport2ListeningandunderstandingSleepingtoomuchortoolittleisassociatedwithchangesinthebrain.Thesechangesareearlywarningsignsthatalsoraisetheriskofstrokeanddementialaterinlife,anewstudysuggests.Inthisstudy,theresearchersobtaineddatafromtheUKBiobank,anextensivebiomedicaldatabasewithoverhalfamillionparticipantsaged40to69.Amongtheinformationithascollectedareinterviewsinwhichparticipantsreportedtheiraveragesleepduration,includingdaytimenapping.Nineyearsaftertheseinterviews,theUKBiobankrandomlyselectedapproximately40,000participantstoundergoabrainMRIUNIT3ScriptNewsreportsNewsreport2neuroimagingscan.Theresearchersfoundthatunhealthysleepduration,whichmeanssleepinglessthansevenhourspernightornineormorehours,issignificantlylinkedtosilentbraininjuries.Theseinjuriesareknownbyclinicianstoforeshadowstrokeanddementiayearsbeforetheironset.Thestudyhighlightsmiddleageasanimportanttimetoadjustoursleephabitsinwaysthatmayhelpprotectourbrainhealth.UNIT3ScriptNewsreportsNewsreport2Wordsandexpressionstemptvt.诱惑；诱使winddown放松下来driftoff慢慢入睡cuddlen.拥抱；依偎GP(generalpractitioner)n.全科医生UNIT3ViewingandunderstandingSocialmediaplaysanimportantroleinourdailylives,butsometimesitisnecessarytotakeastepback.Whyisthat?Nowwatchthevideoclip,thencompletetheoutlinewithwhatyouhear.UNIT31ViewingandunderstandingIntroduction:SocialmediaindailylifeWeuseittoconnectwithfamilyandfriends,followtrends,and1)fromotheraccounts.Whileitiseasytoget2)intheworldofsocialmedia,itisimportanttorecognizethatweshoulddevelophealthiersocialmediahabitsforourwell-being.wrappedupDrawinspirationUNIT3ViewingandunderstandingUsingsocialmediainahealthier

wayFivestepstobuildhealthiersocialmediahabits

Turnoffnotifications

Byturningthemoff,wearenotaseasilytemptedtocheckourphonesasoften.SetboundariesandtimelimitsSometimeswhenwearescrollingonsocialmedia,itcanfeellikewe3)time.Settinglimitshelpsensurewestillhavetimeforotherthingsthatare4)tous.importantUNIT3Step1Step2losetrackofViewingandunderstandingCleanyoursocialmediafeeds

Itiseasytofee