世纪应用英语视听说教程基础篇I（第二版）课件 U3 The greatest wealth is health

Unit3Thegreatestwealthishealth.Inthisunit,youaregoingto:·learnsomeusefulwordsandexpressionsrelatedtohealth;·practicelisteningandspeakingontopicsabouthealth;·masterandpracticeEnglishphonetics,specificallyvoicingofvoicelessconsonants;·enhanceyourinterculturalcommunicationawarenessbylearningaboutChinesemedicine&WesternmedicineObjectives

JustastheRomanpoetVirgilsaid,“Thegreatestwealthishealth.”Healthisthebasisofhumanhappinessandprosperity.TheWorldHealthOrganization(WHO)in1946definedhealthas“acompletestateofmental,physicalandsocialwell-being,notmerelytheabsenceofdisease”.PartⅠWarm-upTask1Assesshowhealthyyouarebycompletingthefollowingquestionnaire.Howhealthyareyou?QuestionsAnswersNeverRarelySometimesUsuallyAlwaysIsiteasyforyoutoexpressemotionslikelove,fear,oranger?Doyoufeelgoodaboutyourselfandenjoyyourlife?Canyouadapttochangesinapositiveway?PartⅠWarm-upHowhealthyareyou?QuestionsAnswersNeverRarelySometimesUsuallyAlwaysDoyoueathealthyfoodsuchaseggs,milk,fruit,vegetables,etc.?Doyougetatleast7to8hoursofsleepeachnight?Doyouexerciseregularly?Canyougetalongwellwithothers?Doyouenjoytakingpartinvarioussocialactivities?Areyouwillingtohelpotherpeople?Task2Workinpairs.Interviewyourpartnerusingthequestionsaboveandtrytogiveeachothersomehealthylifestyletips.ActivateYourBrainsPartⅡListeningandSpeakingSectionAJunkFood

Workinpairs.WritedownthenamesofthefollowingfoodanduseanAItooltolookuptheircalories.Discussthiswithyourpartneranddecidewhetherthefollowingfoodishealthyornot.FoodNamesCaloriesinstantnoodlespotatochipshamburgersausagemilkteaPartⅡListeningandSpeakingSectionAJunkFood

Listentotheconversationandchoosethecorrectanswers.NewWordsandExpressionsSharpenYourEarsinstantnoodles方便面

junkfood垃圾食品

calorie[ˈkæləri]n.卡路里gainweight发胖healthydiet健康的饮食vitamin[ˈvɪtəmɪn]n.维生素protein[ˈprəʊtiːn]n.蛋白质digest[daɪˈdʒest]v.消化PartⅡListeningandSpeakingSectionAJunkFood

Listentotheconversationandchoosethecorrectanswers.SharpenYourEars1.A.Sheisnothungry.

C.It’snoisyinthecanteen.2.A.Instantnoodles.

C.Ahamburger.3.A.Gettinguplate.

C.Eatingjunkfood.4.A.Proteins,oilandfat.

C.Vegetablesandfruit.B.Shehasnomoney.D.Sheistiredofcanteenfood.B.Potatochips.D.Sausages.B.Notdrinkingenoughwater.D.Nottakingregularexercise.B.Vitamins,proteinsandlessfat.D.Chickenandbeef.SectionAJunkFoodBackJack:Lisa:Jack:Lisa:Jack:Lisa:Jack:Lisa:Jack:It’stimeforlunch.Let’sgotothecanteen.I’mtiredofcanteenfood.Ijustwanttohavesomeinstantnoodles.Howcanyoueatjunkfood?It’sbadforyourhealth.Yes,butlifewithoutpotatochips,sausagesandmilkteaisboring.Trustme.Junkfoodhasalotofdisadvantages.Really?Ofcourse.It’shighincalories.Toomuchofitwillmakeyoufat.Oh,maybethat’swhyI’vegainedsomeweightrecently.Ialwaysstayuplateandeatjunkfoodthissemester.Andmaybeyoualsofeelsleepyeasily.PartⅡListeningandSpeakingSectionAJunkFoodBackLisa:Jack:Lisa:Jack:Howdoyouknowthat?SometimesIevenfallasleepinclass.That’sbecausejunkfoodcontainstoomuchoilandfat.Theyarehardtobedigestedandmayleadtotiredness.Isee.Doyouhaveahealthydiet?Yes.Iprefereatingvitamins,proteinsandlessfat.PartⅡListeningandSpeakingPartⅡListeningandSpeakingSectionBMissingaFriend

Stresscanaffectourhealth.Discussthefollowingsymptomscausedbystresswithyour

partner.Pleasecheck(√)thesymptomsyouhavehadbefore.ActivateYourBrains□Ifeeldizzy.□Icannotfallasleepatnight.□Myhairisfallingout.□Ifeelanxious.□Ioftenlosemytemper.PartⅡListeningandSpeakingSectionBMissingaFriend

Listentothedialogueandcheck(√)threestatementsthatexpressthemainidea.NewWordsandExpressionsSharpenYourEarssymptom[ˈsɪmptəm]n.症状insomnia[ɪnˈsɒmniə]n.失眠anxious[ˈæŋkʃəs]adj.焦虑的dizzy[ˈdɪzi]adj.头晕目眩的bestressedout饱受压力loseone’stemper发脾气fallout脱落lightmusic轻音乐gojogging慢跑schoolcounselor学校辅导员PartⅡListeningandSpeakingSectionBMissingaFriend

Listentothedialogueandcheck(√)threestatementsthatexpressthemainidea.SharpenYourEars_____1.Jackispreparingforanexaminationandheisveryhard-working._____2.Jackisstressedoutbecauseheisgoingtotakeanexamination._____3.Jackfeelsdizzyandanxious,oftenloseshistemperandsuffersfrominsomniaandhairloss._____4.Jackdoesn’tfeelwellandwantstogotoseeadoctor._____5.Jackgoesjoggingeverydaytoreleasehisstress._____6.LisaadvisesJacktolistentomusic,dosomesportsandtalktoothers.SectionBMissingaFriendBackLisa:Jack:Lisa:Jack:Lisa:Jack:Lisa:Jack:Lisa:Jack,youlookpale.Whathappened?It’sbeendifficultformetofallasleeplately.Insomniaisusuallycausedbystress.Areyoustressedout?Yes.I’mgoingtotakeanexamination,andI’msoanxiousaboutit.Takeiteasy.Yourhardworkwilldefinitelypayoff.Thankyou,butIjustcannotgetridofthestress.Itmakesmefeeldizzyeveryday.Ioftenlosemytemperandmyhairisfallingout.Iknowhowyoufeel.IalsohadthesesymptomswhenIwasinhighschool.Howdidyouhandleit?Well,herearethreetips.First,listentomusicandclearyourmindoftheworries.PartⅡListeningandSpeakingSectionBMissingaFriendBackJack:Lisa:Jack:Lisa:Jack:Lisa:OK,I’lllistentosomelightmusic.Second,taketimetodosomesportsyouenjoy.IthinkIcangojogginginthemorning.Joggingisreallyhelpful.Third,talkaboutyourstresswithyourfriends,familyoraschoolcounselor.Allright,thankyousomuch.You’rewelcome.PartⅡListeningandSpeakingPartⅡListeningandSpeakingSectionCInternetAddiction

Discusstheboyinthefollowingpicturewithyourpartner.Whatishedoing?Isitgoodorbadforhishealth?Why?ActivateYourBrainsPartⅡListeningandSpeakingSectionCInternetAddiction

Listentothepassageandfillintheblankswiththemissingwords.SharpenYourEarsNewWordsandExpressionsInternetaddiction网瘾charger[ˈtʃɑːdʒə(r)]n.充电器escape[ɪˈskeɪp]v.逃避concentrate[ˈkɒnsntreɪt]v.全神贯注bemindfulof注意；留心irritable[ˈɪrɪtəbl]adj.易怒的sight[saɪt]n.视力browse[braʊz]v.浏览indulgein沉溺于……PartⅡListeningandSpeakingSectionCInternetAddictionSharpenYourEars

DoyoufeeltheneedtousetheInternetwithincreasingamountsoftimetoachievesatisfaction?Areyou(1)____________________whenattemptingtocutdownorstopInternetuse?AreyoualwaystakingyourcellphonechargerandsearchingforWi-Fi?Ifyes,thenyoumayhavean(2)____________________.

TheInternetaddictionnotonlyaffectsyour(3)____________________,buthasalsobeenrecognizedasamentalhealthdisorder.ResearchershavefoundthatmanycollegestudentsareusingtheInternetasawayof(4)____________________fromproblemsinreallife.Theyspendalotofstudytime(5)____________________unrelatedwebsites,usingsocialmediaandplaying(6)____________________ontheInternet,andthushaveproblemscompletinghomeworkassignments,preparingforexaminationsorgettingenoughsleepto(7)____________________classthenextmorning.irritableInternetaddictionsightescapingbrowsingvideogamesconcentrateinPartⅡListeningandSpeakingSectionCInternetAddictionSharpenYourEars

Ifyou(8)____________________theInternet,trytousethefollowingstrategiestogetridofit.Firstly,setstrict(9)____________________forInternetuse.Secondly,developotherinterests.Joincampusclubsandorganizations.Makenewfriendsandtakepartinphysicalexercises.Thirdly,takecareofyourself.Eatregularmealsandsleepearlyatnight.(10)____________________yourmoodsandbehaviorsthatleadyoutousetheInternet.Finally,consultahealthcareproviderforinformationandtreatment.areindulgingintimelimitsBeingmindfulofPartⅢViewingandSpeakingSectionABothPhysicalHealthandMentalHealthAreImportantBeforeYouWatch

Physicalhealthreferstotheconditionofyourbodyandhowwellitfunctions,whilementalhealthencompassesyouremotional,psychological,andsocialwell-being.Botharecrucialforabalancedandfulfillinglife.Researchshowsthatsmalldailyhabits,liketakingalunchtimewalkorswappingsugarysnacksfornuts,canmakethisareality.Pleaseselect2-3ofthefollowinghabitsthatyoucurrentlyfollowandshareyourspecificroutineswithyourpartners.⟡

RegularExercise:Engageinactivitieslikemorningruns,yoga,ordancing.⟡GreenSpaceExposure:Spendtimeinnaturebytakingatleastoneparkwalkorengaginginbalconygardeningeachweek.⟡DigitalDetox:Setlimitsonscreentime,suchasavoidingscreensforanhourbeforebedtime.⟡DeepBreathingPractices:Dedicate5minutesdailytodiaphragmaticbreathingormindfulnessmeditation.⟡AdequateSleep:Maintainconsistentsleepschedules.PartⅢViewingandSpeakingSectionABothPhysicalHealthandMentalHealthAreImportantWhileYouWatchNewWordsandExpressionsendorphin[enˈdɔːfɪn]n.内啡肽physicalfitness体能；身体状况mentalwell-being心理健康minimize[ˈmɪnɪmaɪz]v.最小化；减少caffeine[ˈkæfiːɪn]n.咖啡因complicate[ˈkɒmplɪkeɪt]v.使复杂；使困难cope[kəʊp]v.应对；处理depressed[dɪˈprest]adj.抑郁的ideally[aɪˈdɪəli]adv.理想地balanced[ˈbælənst]adj.平衡的makeabigdifferenceto对……有很大影响atone’sownpace按照某人自己的节奏cutdown减少keepaneyeon注意；留意PartⅢViewingandSpeakingSectionABothPhysicalHealthandMentalHealthAreImportantWhileYouWatchTask1Watchthevideoandtalkabouttherelationshipbetweenphysicalhealthandmentalhealth.PartⅢViewingandSpeakingSectionABothPhysicalHealthandMentalHealthAreImportant

It’simportanttorememberthatourphysicalhealthaffectsourmentalhealthandviceversa.Whatwedotoourbodiesmakesabigdifferencetohowwefeel.Physicalactivity,diet,alcohol,smoking,anddrugscanallaffectourmentalhealthandwell-beingindifferentways.Solet’stalkaboutthem.

Physicalactivityreleasesfeel-goodhormonescalledendorphins,whichhelpussleepandfeelbetter.Italsoimprovesourphysicalfitness,whichtendstomakepeoplefeelbetter.Ingeneral,evensmallamountsofregularphysicalactivitycanimproveyourmentalwell-being,especiallyifit’sdoingsomethingyouenjoy.Physicalactivityisevenarecommendedtreatmentforsometypesofdepression.PartⅢViewingandSpeakingSectionABothPhysicalHealthandMentalHealthAreImportant

Youcangetactiveatyourownpaceinyourownway.There’snoneedtojoinagymorevenspendanymoney:simple,smallchangesinourday-to-daycanmakeallthedifference.Takingabriskwalkatlunchtimeorwalkingtogetwherewe’regoing.Gettingactiveinthegardenorcyclingonceortwiceaweekisagreatoption.Ifthere’satypeofactivityyouusedtoenjoy,thinkabouthowyoucouldpickitupagain.Forexample,therearelotsoflocalgroupsandsportsteamsopentoalllevelsofability.What’smore,studiesshowthattimeingreenspacesisbeneficial.Soheadtoyourlocalparkifyoucan.Ifyouneedalittlehelpfittingmorephysicalactivityintoyourday,trytheActiveTenapp.Ithelpsyougetshortburstsofwalkingintoyourday.There’salsothefantasticCouchto5Kprogram,whichwillgetyouupandrunninginjust9weeks.PartⅢViewingandSpeakingSectionABothPhysicalHealthandMentalHealthAreImportant

Eatingbettercanplayabigroleinourhealthandwell-being.Itwon’tcomeasasurprisetolearnthatwhatweeatandhowmuchweconsumeplayabigpartinourphysicalhealth,whichcanimpactourmentalhealthtoo.Ideally,weshouldaimtoeatahealthy,balanceddietwithplentyoffruitandvegetables.It’simportanttokeepaneyeonyourcaloriesandminimizefoodsthatarehighinsugar,fat,andsalt.PartⅢViewingandSpeakingSectionABothPhysicalHealthandMentalHealthAreImportant

Alcohol,caffeine,tobacco,andevendrugsmayseemtemptingwhenwe’restressedortired.Whenweusethemtotryandcope,theideaofstoppingthemcanfeellikeitwouldmakethingsevenharder.Buttheycancausemoreproblemsthantheysolve,especiallyoverthelongterm.Allthesehabitscancomplicateoursleeppatternsandaffecthowanxiousanddepressedwefeel.Sotrycuttingdownorevenquitting,andrememberthatsupportisavailable.Alcoholinparticularcanworsenourmoods,socuttingdowncanreallyhelpusfeelbetter.Formorehelpcuttingdown,youcandownloadtheDrinkFreeDaysapp.Forhelpcuttingbackondrugs,visittheTalktoFrankwebsite.Asforcigarettes,stoppingsmokingisoneofthebestthingsyoucandoforyourbodyandyourbrain.You’llbreatheeasier,feelbetter,andsavemoney.Checkoutthenhs.uk/smoke-freeforadviceandsupportonquitting.Whateveryouchoosetodo,what’sgoodforyourbodyisgoodforyourmind.PartⅢViewingandSpeakingSectionABothPhysicalHealthandMentalHealthAreImportantTask2Watchthevideoagainandanswerthefollowingquestions.Howdoesphysicalactivitybenefitourmentalwell-being?Whataresomesimplewaystoincreasephysicalactivitywithoutjoiningagymorspendingmoney?Physicalactivityreleasesfeel-goodhormonescalledendorphins,whichhelpussleepand

feelbetter.Italsoimprovesourphysicalfitness,whichtendstomakepeoplefeelbetter.Takingabriskwalkatlunchtime,walkingtogetwhereyou’regoing,gettingactiveinthe

garden,orcyclingonceortwiceaweek.PartⅢViewingandSpeakingSectionABothPhysicalHealthandMentalHealthAreImportantTask2Watchthevideoagainandanswerthefollowingquestions.Whatroledoesahealthydietplayinouroverallhealthandwell-being?Whyshouldwebecautiousaboutusingalcohol,caffeine,tobacco,anddrugstocopewithstressortiredness?Itwon’tcomeasasurprisetolearnthatwhatweeatandhowmuchweconsumeplayabigpartinourphysicalhealth,whichcanimpactourmentalhealthtoo.Ideally,weshouldaimtoeatahealthy,balanceddietwithplentyoffruitandvegetables.It’simportanttokeepaneyeonyourcaloriesandminimizefoodsthatarehighinsugar,fat,andsalt.Alcohol,caffeine,tobacco,andevendrugsmayseemtemptingwhenwe’restressedortired.Whenweusethemtotryandcope,theideaofstoppingthemcanfeellikeitwouldmakethingsevenharder.Buttheycancausemoreproblemsthantheysolve,especiallyoverthelongterm.Allthesehabitscancomplicateoursleeppatternsandaffecthowanxiousanddepressedwefeel.PartⅢViewingandSpeakingSectionABothPhysicalHealthandMentalHealthAreImportantAfterYouWatch

OralPractice:SupposeyouareJack,amemberoftheHealthandWellnessClubatyourcollege.Youhavebeenaskedtogiveaspeechoncampusradiotopromotetheideaofa“healthycollege”.Yourspeechshouldcoveraspectssuchascollegestudents’physicalhealth,mentalhealth,andhealthylifestylechoices.Thebeginningparthasbeendoneforyou.HealthyCollegeInitiativePartⅢViewingandSpeakingSectionABothPhysicalHealthandMentalHealthAreImportantAfterYouWatch

Goodmorning,dearteachersandfellowstudents.MynameisJack.It’ssuchagreathonortobeheretodayasarepresentativeoftheHealthandWellnessClub,andtolaunchtheHealthyCollegeInitiative.

Asstudents,weoftenfindourselvesjugglingamultitudeofresponsibilities,andit’seasytoletourhealthtakeabackseat.However,prioritizingourphysicalandmentalwell-beingisessentialforoursuccessandoverallhappiness.Let’sdiveintohowwecanenhanceourphysicalhealth...PartⅢViewingandSpeakingSectionABothPhysicalHealthandMentalHealthAreImportantAfterYouWatch

Sincethe18thNationalCongressoftheCommunistPartyofChina(CPC),majordecisionsandplanshavebeenmadetoadvancethebuildingofa“healthyChina”.HowmuchdoyouknowaboutChina’smedicalinsurancepoliciesforcollegestudents?1.Docollegestudentshavemedicalinsurance?

Yes.Themedicalinsuranceforcollegestudentsisatypeofresidents’medicalinsurance.Generallyspeaking,students’insurancefeesarecollectedtogetherwithtuitionfeesbytheschoolatthebeginningofanewsemester.2.Docollegestudentshavetobuymedicalinsurance?

No.Itisakindofvoluntarymedicalinsurance.Studentscandecidewhethertobeinsuredbythemselves.Butitissuggestedthatallstudentsbeinsured.Doyouknow?PartⅢViewingandSpeakingSectionABothPhysicalHealthandMentalHealthAreImportantAfterYouWatch3.Whyisitnecessarytobuystudents’medicalinsurance?

Students’medicalinsuranceoffersprotectionagainsthighmedicalcosts.Itcoversbothoutpatientservice（门诊）andhospitalization.Nowadays,unexpectedsicknessisoneofthemainfactorscausingfamilydebt.Therefore,students’medicalinsuranceshouldberegardedasanessentialinvestment.4.Exceptformedicalinsurance,arethereanyotherkindsofsocialinsuranceinChina?

Yes,thereare.China’ssocialsecuritysystemconsistsoffivedifferenttypesofinsurance.PartⅢViewingandSpeakingSectionABothPhysicalHealthandMentalHealthAreImportantAfterYouWatchPartⅢViewingandSpeakingSectionBFightingAgainstVirusesBeforeYouWatch

Weareconstantlysurroundedbycountlessviruseseverydayandeverywhere.Despitethis,ourimmunesystemisalwaysonguard,readytoidentifyandcombatthesetinyorganisms.Thishighlightstheongoingbattlethatnaturewagestoprotectourhealth.Howmuchdoyouknowaboutvirusesandtheimmunesystem?Testyourknowledgebyselectingthecorrectanswersbelow.1.Virusesarevery________organismsthatarealmostinvisibletothenakedeye.

A.large

B.small

C.heavy

D.lightPartⅢViewingandSpeakingSectionBFightingAgainstVirusesBeforeYouWatch2.Virusescanbefoundinthe________,________,________,andeveninsideourbodies.

A.air,water,surfaceswetouch

B.soil,air,water

C.plants,animals,air

D.food,water,soil3.Whenavirusentersourbody,ourimmunesystem________.

A.ignoresit

B.fightsit

C.welcomesit

D.doesnothingPartⅢViewingandSpeakingSectionBFightingAgainstVirusesWhileYouWatchNewWordsandExpressionsinfiltrate[ˈɪnfɪltreɪt]v.渗透，侵入messengerprotein信使蛋白interferon[ˌɪntəˈfərɒn]n.干扰素literally[ˈlɪtərəli]adv.确实，真正地innate[ɪˈneɪt]adj.先天的，固有的dendriticcell树突状细胞lymphnodes淋巴结cytotoxic[ˌsaɪtəˈtɒksɪk]adj.细胞毒性的harbour[ˈhɑːbə(r)]v.藏有，庇护antibody[ˈæntɪbɒdi]n.抗体neutralize[ˈnjuːtrəlaɪz]v.中和springintoaction迅速采取行动PartⅢViewingandSpeakingSectionBFightingAgainstVirusesWhileYouWatchTask1Watchthevideoandreconsidertheanswersontheabove.PartⅢViewingandSpeakingSectionBFightingAgainstVirusesTheimmunesystem:oneofthemostcomplexpartsofthehumanbody,anintricatenetworkofcellsandmoleculesevolvedoverthecourseofhundredsofthousandsofyearstoprotectusfromthedangersoftheoutsideenvironment.So,howdoesitwork?First:detectthethreat,summonhelp,andlaunchacounter-attack.Whenavirusinfiltratesacell,forexampleacellliningourairway,thecelldetectsthisasforeignandproducescytokines(messengerproteins)tosummonhelpviaphagocytes,atypeofwhitebloodcellandalsohelptocontainthelocalspreadofthevirusfromcelltocell—typically,theroleofinterferons.Specializedwhitebloodcellscalledphagocytestrytodestroytheintrudingvirusbyliterally“eatingthemup”.Thesefirstrespondersshowupwithinminutes,andmakeuptheinnateimmunesystem.Itisfasttorespondbutnotprecise,anditdoesitsbesttoshutdownaninfectionassoonaspossible.PartⅢViewingandSpeakingSectionBFightingAgainstVirusesTheadaptiveimmunesystemishighlyspecializedbutmuchslower.Dendriticcellscollectsmallfragmentsofthevirusleftoverfromthebattlesoftheinnateimmunesystemandferrythesetoourlymphnodes,wherehighlyspecializedwhitebloodcellscalledTcellsarewaiting.Tcellsarepre-programmedsoldiers,eachonetrainedtotargetaspecificinvader.Whenadendriticcellcarryingaspecifictypeofvirusfragmentshowsup,therelevantTcellwilldividemanytimestoproduceanarmyofclones.TherearetwomaintypesofTcells.CytotoxicTcellsrecognizeanddestroyinfectedcellsthatharbourthevirus,andhelperTcellsboosttheimmuneresponsebyactivatingBcellstoproduceantibodies.Antibodiesarespecificproteinsthatblockthestructuresthatvirusesusetolatchontoandenterourcells.AntibodiesalsomopupthevirusesthatarefloatingaroundwithinourbodiesPartⅢViewingandSpeakingSectionBFightingAgainstVirusesAlthoughTcellsandBcellscantakeseveraldaystomoveintoaction,theyareincrediblyprecise.Andtheyremember.Afterthevirushasbeenneutralizedandthearmystandsdown,mostspecificTcellsandBcellsdieoff.Butasmallfractionstayalert,patrollingthebloodstreamandlymphnodesforrepeatattacks.Ifthesamevirusattacksourcellsagain,thesememorycellsspringintoaction,activatingthepoweroftheadaptiveimmunesystemwithoutthedays-longstart-up.Thismemoryisthebasisofhowachildhoodinfectionoravaccinationcanleadtolifelongprotection.PartⅢViewingandSpeakingSectionBFightingAgainstVirusesTask2Watchthevideoagainandcompletethefollowingoutline.Whatistheimmunesystem?—Itisan(1)________________ofcellsandmoleculesthathasevolvedoverthecourseofhundredsofthousandsofyearstoprotectusfromthedangersoftheoutsidenvironment.Howdoestheimmunesystemwork?—Itdetectsthethreatandcallsforhelpandlaunchesa(2)_____________.—Specializedwhitebloodcellscalledphagocytestrytodestroythe(3)________________byliterally“eatingthemup”.—HelperTcellsboosttheimmuneresponsebyactivatingBcellstoproduce(4)________________.—Ifthesamevirusattacksusagain,memorycells(5)________________.intricatenetworkcounterattackntrudingvirusAntibodiesspringintoactionPartⅢViewingandSpeakingSectionBFightingAgainstVirusesAfterYouWatch

OralPractice:Youwillengageinarole-playtoexplorethedynamicinteractionbetweenvirusesandthehumanimmunesystem.Youwillbeassignedrolessuchasavirus,Tcell,Bcell,orhelperTcell.Describeyourrole’sfunctionandhowitcontributestotheimmuneresponse.Virusesaresotinythatmillionsofthemcouldfitontheheadofapin.Theyaremuchsmallerthanbacteriaandareofteninvisibletothenakedeye.Yourimmunesystemhasaremarkablememory.Afteritfightsoffavirus,itremembershowtodefeatitmorequicklyifyouencounterthesamevirusagain.Vaccinesareoneofthemosteffectivewaystopreventviralinfections.Theyworkbyintroducingaharmlesspartofavirustotheimmunesystem,whichthenlearnshowtofightofftherealvirus.Thecommoncoldiscausedbyover200differentviruses,whichiswhyit’ssohardtodevelopasinglevaccineforit.Infantsandtheelderlyoftenhaveweakerimmunesystems,makingthemmoresusceptibletoviralinfections.Doyouknow?PartⅣSpeakingMoreSectionASeeingaDoctorPairWork

Supposethefluisspreadingoncampus.Jackfeelsveryillandgoestoseeadoctor.DiscussJack’sjourneyinthehospitalwithyourpartnerandcompletethefollowingdialogues.RegistrationClerk:CanIhelpyou?Jack:I’dliketomakeanappointmenttoseethedoctor.Clerk:OK.What’stheproblem?Jack:________________________.Clerk:Inthatcase,IsuggestyougototheInternalMedicineDepartment.Pleasefillinthisregistrationcard.Igotaheadache.PartⅣSpeakingMoreSectionASeeingaDoctorPairWorkAskingAboutIllness&ExaminingDoctor:What’syourtrouble?Jack:_______________________.Doctor:Howlonghaveyoubeenlikethis?Jack:_______________________.Doctor:Youneedabloodtest.Jack:Allright.Igotaheadache.Forthreedays.PartⅣSpeakingMoreSectionASeeingaDoctorPairWorkDiagnosing&GivingaPrescriptionJack:What’swrongwithme?Doctor:You’vegottheflu.Jack:____________________.Doctor:Here’saprescriptionforyou.Jack:____________________.Doctor:Pleasetakeoneofthesetabletsthreetimesaday.Jack:____________________.Doctor:Halfanhourbeforemeals.HowcanIgetwell?OK,thankyou.WhenshouldItakeit?PartⅣSpeakingMoreSectionASeeingaDoctorPairWork

Fluisaninfectiousdiseasewhichissimilartoabadcoldbutmoreserious.Ifyou’vegottheflu,doyouknowhowtodescribeyoursymptomswhenyougotoseeadoctor?Pleaserefertothepicturesbelow.

Youcanusethesentencepattern“I’vegot...”.Forexample,I’vegotafeverandchills.Doyouknow?PartⅣSpeakingMoreSectionASeeingaDoctorContractionFullFormContextsI’dIwouldliketo...I’dliketomakeanappointment.You’dYouhadbetter...You’dbetterdriveslowly.What’sWhatiswrong...What’swrongwithyourknee?She’sShehasdone...She’sdoneagoodjob!ImportantLanguagePartⅣSpeakingMoreSectionＢ

LosingWeightGroupWork

Waystoloseweightcanberoughlydividedintothreecategories:eatingahealthydiet,takingregularexerciseandtakingmedicalmeasures.Workingroupsofthree.Discussthewaysoflosingweightwithyourpartnersandwritedownspecificwaysineachcategory.eatingahealthydiettakingregularexercisetakingmedicalmeasuresPartⅣSpeakingMoreSectionＢ

LosingWeightGroupWork☆avoidjunkfood☆☆☆☆☆☆☆☆☆gojogging☆☆☆☆☆☆☆☆☆liposuction(抽脂术)☆☆☆☆☆☆☆☆PartⅣSpeakingMoreSectionＢ

LosingWeightGroupWork

Lisa’