国际交流英语视听说B4U6最新版本ppt课件VIP

,Unit,6,HealthandFitness,Book4,ThinkandDiscuss,ViewingtheWorld,ExploringtheTheme,AnalyticalListening,SharingYourIdeas,Engaging,FurtherListening,Content,ThinkandDiscuss,Unit6HealthandFitness,Questions,Withoutarope,arockclimberclimbsupawallinYosemiteNationalParkintheUnitedStates.,1.Thinkofactivitiessuchasrockclimbingthatrequireextremefitness.Howdopeoplepreparetodotheseactivities?2.Whatcanyoudotocheeryourselfupwhenyoufeelsadorarefacingastressfulsituation?,ExampleAnswersToprepareforactivitiessuchasrockclimbing,peopletrainandeatonlynutritiousfoods.Trainingcanincludestrengthtrainingsuchasweightlifting,cardiotrainingsuchashikingandrunning,andactualpracticewiththeactivityitselfgraduallyincreasingthedurationanddifficultylevel.,Questions,1.Thinkofactivitiessuchasrockclimbingthatrequireextremefitness.Howdopeoplepreparetodotheseactivities?,ExampleAnswersWhenImsadorfacingastressfulsituation,Icantalktoafriendorfamilymemberaboutmyfeelings.Icanalsotakecareofmyselfbyeatinggoodfoodandgettingenoughsleep.Exerciseandmeditationarealsogoodwaystorelaxandimprovemymood.,Questions,2.Whatcanyoudotocheeryourselfupwhenyoufeelsadorarefacingastressfulsituation?,ExploringtheTheme,Unit6HealthandFitness,HealthandFitness,GeorgiaTechResearchInstitute:anon-profitresearchinstituteinGeorgiawhichaimstosolvetoughproblemsforgovernmentandindustry佐治亚技术研究所,A|Lookatthephotosandreadthecaptions.Thendiscussthequestions.,ThissteelroomatGeorgiaTechResearchInstituteisusedtomeasureindoorairpollutionthatcanaffectourhealth.Smallamountsofdangerouschemicalscanbereleasedfromsurprisingsourcesincludingdesks,electronics,andclothing.,HealthandFitness,AwarningsigntellspeopletostayawayfromabuildinginZambiawherethegovernmentstoresDDT.Thechemicalcanbedeadlyifmishandled,butitcanalsobeusedtokilldangerousbugs.,HealthandFitness,Rockclimbingismorepopularthaneverbefore.Theserockclimbersstoponthesideofamountainastheytakeabreakfromtheirclimbing.,HealthandFitness,AmanisdoingyogaonWharaikiBeachinNewZealand.,HealthandFitness,Discussthequestions.1.Whatisthesteelroomusedfor?2.HowcanchemicalssuchasDDTaffectyourhealth?3.Whereisitpossibletogorockclimbing?Whatkindsofequipmentwouldyouneed?4.Haveyouevertriedyoga?Whatarethehealthbenefitsofpracticingyogaregularly?,HealthandFitness,ExampleAnswersThesteelroomisusedtomeasureindoorairpollution.,HealthandFitness,1.Whatisthesteelroomusedfor?,HealthandFitness,2.HowcanchemicalssuchasDDTaffectyourhealth?,ExampleAnswersChemicalscouldhavenegativeeffectssuchascausingillness.However,chemicalscouldalsobeusedtohelpcontroldiseasessuchasmalaria.,ExampleAnswersPeoplecangorockclimbinganywheretherearemountainsorrockybluffs.Somerockclimberssuchasthemaninthepictureonpage81donotusespecialequipment.Otherclimbersuselotofspecialequipmentincludingclimbingropes,harnesses,gloves,chalk(tokeepyourhandsdrywhenclimbing),carabiners(toconnectyourharnesstoanchorsontherockface),andmore.,HealthandFitness,3.Whereisitpossibletogorockclimbing?Whatkindsofequipmentwouldyouneed?,ExampleAnswersYes,Ihavetriedyoga.No,Ihavenottriedyoga.Thehealthbenefitsofyogaincludeincreasingonesbalance,strength,andflexibility,aswellaslearningtorelaxandhandlestressinahealthyway.,HealthandFitness,4.Haveyouevertriedyoga?Whatarethehealthbenefitsofpracticingyogaregularly?,AnalyticalListening,Unit6HealthandFitness,Listening1,seminarn.专题研讨会pesticiden.杀虫剂flame-retardantn.阻燃剂a.阻燃的leadn.铅chipv.掉碎片flakev.成片（剥落）swordfishn.剑鱼mercuryn.汞，水银pollutantn.污染物persistv.继续存在powerplantn.发电厂inmoderation（饮酒或吸烟等）有节制地，适度地textv.发短信radiationn.辐射物；放射物headsetn.（带有麦克风的）耳机,Listening1,CriticalThinkingFocusAskingQuestionsforFurtherResearchWhenwereadorhearaboutanewtopic,wemaywantmoreinformationorwanttolearnaboutanotherpointofview.Whenwewanttodofurtherresearchonatopic,wecanaskthesequestions.WhatadditionalinformationwouldIliketoknow?Whatothersourcesmighthaveinformationaboutthistopic?Later,wecandoresearchtoanswerourownquestions.,PredictingContent.Withapartner,lookatthephotoandreadthecaption.Thendiscussthequestionsbelow.,Listening1,Householdproductssuchasdetergents(洗涤剂)andperfumescancontaindangerouschemicals.Scientiststestthismansreactionstodifferentchemicalsbysprayingthemintotheboxaroundhishead.,PredictingContent.,Listening1,1.Howdoyouthinkchemicalsinhouseholdproductsaffectapersonshealth?2.Whatdangersinfoodortheenvironmentcouldaffectapersonshealth?,Listening1,ExampleAnswersChemicalsinhouseholdproductsmightcauseallergicreactions,skinconditions,andovertime,perhapsmoreseriousdiseases.,1.Howdoyouthinkchemicalsinhouseholdproductsaffectapersonshealth?,Listening1,ExampleAnswersDangersinfoodortheenvironmentthatcouldaffectapersonshealthincludechemicalsusedtopurifydrinkingwater,chemicalsreleasedintotheairandwaterbymanufacturers,artificialcolorsorflavorsinfoodsanddrinks,andpollutionfromburningfuelusedincookingandheating,etc.,2.Whatdangersinfoodortheenvironmentcouldaffectapersonshealth?,A|ListeningforMainIdeas.Readthequestionsandanswerchoices.Thenlistentoaquestionandanswersessionthatfollowedalectureonhealthandchoosethecorrectanswers.,AQuestionandAnswerSession,Listening1,1.HowdangerousarePBDEstohumanhealth?a.Smallamountscausehealthproblemsmostlyinchildren.b.Smallamountsprobablydonotcauseanyserioushealthproblems.c.Smallamountsarelinkedtoseveralseriousdiseasesinadults.,b,A|ListeningforMainIdeas.,Listening1,2.Howdangerousisleadpainttohumanhealth?a.Itisathreattothehealthofchildren.b.Itisnotaserioushealthriskforhumans.c.Itismainlyaproblemforpeoplewhoaresick.,a,A|ListeningforMainIdeas.,Listening1,3.HowmuchswordfishandtunadoesDr.WallacethinkisOKtoeat?a.Herecommendseatingnoswordfishortunaatall.b.Herecommendseatingswordfishandtunainmoderationonly.c.Herecommendseatingasmuchswordfishandtunaasyouwant.,b,A|ListeningforMainIdeas.,Listening1,4.Whichstatementistrueaboutthedangerofcellphoneradiation?a.Cell-phoneradiationhascausedcancerinpeopleandrats.b.Cell-phoneradiationisnotathreattohumanhealth.c.Differentstudieshavecometodifferentconclusionsaboutcell-phoneradiation.,c,B|Note-Taking.Listenagainandcompletetheoutlinewithinformationfromthequestionandanswersession.,I.PBDEs1.Impactonhealth:Highamountscancausehealthproblemsin_2.Dr.W.suggests:Forsmallamountsinhumans,_II.Leadpaint1.Impactonhealth:Smallamountsofitcancause_2.Dr.W.suggests:_,Listening1,laboratoryanimals,dontworryaboutthem,braindamageinchildren,Makesurepaintisnotchipping;movetoanewhome,III.Mercury1.Impactonhealth:Permanentdamageto_2.Dr.W.suggests:Eatfish_IV.Cellphones1.Impactonhealth:Drivingandusingacellphonecanleadto_2.Radiationfromcellphones_3.Dr.W.suggests:_,Listening1,memoryandabilitytolearn,inmoderation,accidents,hascausedbraincancerinrats,Turnoffcellphoneswhiledriving;dontsendtextmessageswhiledriving;useaheadset,Listening1,A|Discussion.Formagroupwithanotherpairofstudents.Lookatthephotoandreadtheinformation.Thendiscussthequestionsbelow.,DavidEwingDuncanhadteststofindoutwhatchemicalswereinhisbody.Hefoundoutthathewascarryingmanycompounds,including16typesofpesticides.Thecompoundscomefromfoods,drinks,andevenfryingpans.,Listening1,1.IfyouhadachancetotalktoDr.Wallace,whathealth-relatedquestionswouldyouaskhim?2.Wouldyouliketobetestedforchemicals?Whyorwhynot?Whattypesofchemicalsdoyouthinkscientistswouldfind?3.Whataresomelifestylechangesyoucouldmaketoallowfewerchemicalsinsideyourbody?,Listening1,ExampleAnswersIwouldaskDr.Wallaceaboutthedangerofpesticidesinourfood;theeffectsofeatinggenetically-modified(GM)foods;theeffectsofbreathingpollutedair;andtherisksfromeatinglow-qualityoilsandfatssuchas“transfats”.,1.IfyouhadachancetotalktoDr.Wallace,whathealth-relatedquestionswouldyouaskhim?,Listening1,ExampleAnswer1Iwouldliketobetestedforchemicalsbecauseitmightencouragemetobemorecarefulaboutmyfutureexposuretodangeroussubstances.,2.Wouldyouliketobetestedforchemicals?Whyorwhynot?Whattypesofchemicalsdoyouthinkscientistswouldfind?,Listening1,ExampleAnswer2Iwouldntliketobetestedforchemicalsbecauseanythingtheyfoundwouldmakemeworry,andworryingisntgoodformyhealth.IfIweretestedforchemicals,scientistsmightfindflame-retardants(fromcarpeting,upholsteryfabric,andclothing),pesticidesfromfood,andmercuryfromeatingfish.,2.Wouldyouliketobetestedforchemicals?Whyorwhynot?Whattypesofchemicalsdoyouthinkscientistswouldfind?,Listening1,ExampleAnswersIcouldbuymoreorganicallygrownfruitsandvegetables;gooutsidetoexerciseveryearlyinthemorningbeforethetrafficgetsbad;andusenaturalproductsforcleaningmyselfandmyhouse.,3.Whataresomelifestylechangesyoucouldmaketoallowfewerchemicalsinsideyourbody?,Listening1,CriticalThinkingFocusUsinganOutlinetoTakeNotesUsinganoutlinecanhelpustakeorganizedandclearnotes.Inanoutline,wecanindicatemainideaswithRomannumerals(I,II,III)andcapitalletters(A,B,C),anddetailswithArabicnumerals(1,2,3).,Announcer:Everyone,IjustwanttothankDr.WallaceagainforbeingthefirstguestspeakerinourHealthlineseries.Wehopethatthisisthefirstofmanyseminarsabouthealthylivingintodaysworld.Dr.Wallace:Itwasmypleasuretobehere.Announcer:So,nowyouveheardwhatDr.Wallacehastosayaboutpesticidesandhowtheyrelatetoourhealthandtheenvironment.Letsopenthefloorupforquestions.Wewouldappreciatehearingfromyou.Ithinkwehaveourfirstquestion.Goahead,sir.MaleSpeaker1:OK.Heresmyquestion.Dr.Wallace,Iheardthatflame-retardantsarenowturningupinthehumanbody.Isthistrue,andifso,howdangerousarethosechemicals?,Tobecontinued,Listening1,Dr.Wallace:Allright.Well,flame-retardantswhicharechemicalsthatmakeproductsdifficulttoburnareaddedtojustaboutanyproductthatcanburn,andtheysavehundredsoflivesayearintheUnitedStatesalone.Unfortunately,onefamilyofflame-retardantcompoundscalledPBDEshavebeenshowingupinthebloodofhumans,butlittleisknownabouttheirimpactonourhealth.Inhighamounts,theyhavecausedhealthproblemsinlaboratoryanimals.However,itlooksasthoughthesmallamountsofPBDEsthatnormallyaccumulateinthehumanbodyarentworthworryingabout.Announcer:Thankyou,Doctor.Wehaveanotherquestion.Thewomaninthethirdrow.Goahead.,Tobecontinued,Listening1,FemaleSpeaker1:Hi,Dr.Wallace.Imamotheroftwoyoungchildren,andIrecentlymovedintoanewapartment.Ijustfoundoutthatthewallsarepaintedwithleadpaint.WhatshouldIdo?Dr.Wallace:Well,itsknownthatevenverysmallamountsofleadcancausebraindamageinchildren.Ifthepaintischippingorflaking,callyourlandlord.Itshisorherresponsibilitytofixtheproblem.Anothergoodoptionistomove,butifyoucant,atleastmakesurethatyourchildrenarentexposedtopaintchipsordust.Announcer:Thatsoundslikegoodadvice.Letstakeanotherquestion.OK,goahead.,Tobecontinued,Listening1,MaleSpeaker2:Hello,Doctor.Ieatalotofseafoodespeciallyswordfishandtuna.Isthereanydangertomefrommercuryinthosefish?Dr.Wallace:Mercuryisaverydangerouspollutantwhichpersistsforalongtimeintheenvironment.Itneedstobetakenseriouslybecausemercurypoisoningcanpermanentlydamagememoryandourabilitytolearn.Coal-burningpowerplantsareamajorsourceofmercury.Itgetsintothewaterandintothebodiesofthesmallestanimalsfirst.Thesesmallanimalsareeatenbylargerones,whicharetheneatenbyevenlargerones,andsoonupthefoodchain.,Tobecontinued,Listening1,Dr.Wallace:Largefishatthetopofthefoodchain,suchastunaandswordfish,accumulatehighamountsofmercuryandpassitontopeoplewhoeatseafood.Now,itdoesntappearthattracesofmercuryinthebloodareaseriousproblem,butIcouldbewrong.Eatingtoomuchofthosefishcouldraisetheamountofmercuryinyourbodytoadangerouslevel,soIwouldadviseyoutoeattheminmoderationmeaningareasonableamount.Announcer:Well,itlookslikewehavetimeforonemorequestion.Theladyintheredshirt.Goahead.FemaleSpeaker2:Helloandthanksfortakingmyquestion.WhatImconcernedaboutismyconstantcell-phoneuse.Couldithaveanegativeimpactonmyhealth?,Tobecontinued,Listening1,Dr.Wallace:ThatsaninterestingquestionandoneImsuremanyareconcernedabout.Onecommonconcernisthedangerofdrivingandusingacellphoneatthesametime.Cellphonestakeourattentionofftheroad,andthatcanleadtoaccidents.Thesolutiontothatproblemissimple:turnoffyourcellphonewhiledriving,anddontevertextmessagewhiledriving.Anotherconcernhastodowithradiation.Forthoseofyouwhoarentfamiliarwiththisradiationisenergythatcertainmachinesandsomesubstancesproduce.Largeamountsofradiationcanbedangerous.Cellphonessendinformationusingradiation,sonaturallywereexposedtothatradiationwhenweuseourphone.,Tobecontinued,Listening1,Dr.Wallace:Cell-phoneradiationhascausedbraincancerinrats,butitsdangertohumansisdifficulttoassess.Somestudieshaveindicatedthatcellphonesaresafe,butsomeotherstudiesseemtolinkcell-phoneradiationwithbraincancerinhumans,especiallyinpeoplewhohavebeenusingcellphonesforadecadeorlonger.Imnotaltogethersurethatyoucaneliminateradiationexposurefromcellphones,butpeoplewhoareconcernedaboutitcanreducetheriskbyusingaheadset.Thiskeepsthephoneawayfromyourheadandexposesyoutolessradiation.Announcer:Imafraidthatsallthetimewehave.Thanksverymuch,Dr.Wallace,fortheinformationandadvice.Wellseeyouallatnextmonthsseminaraboutorganicfoods.,Listening1,Listening2,bouldern.大圆石boulderingn.抱石（新兴的攀岩运动之一，与传统攀爬形式不同，其高度往往只在四至六米之间，无须携带复杂的保护装备）freesoloclimbingn.无保护攀岩thrilln.引起激动的事物,Listening2,AmericanJournalofPreventiveMedicine:ascientificjournalintheU.S.Itistheofficialpeer-reviewedjournalfortheAmericanCollegeofPreventiveMedicine.Itfocusesonarticlesaboutpreventingdiseases,injuries,andotherhealthproblems.美国预防医学杂志,Listening2,StudenttoStudentShowingUnderstandingInaconversation,wesometimeswanttoshowtheotherpersonthatweunderstandorsympathizewithhimorher.Herearesomeexpressionstoshowthatweunderstandsomeonesfeelingsorsituation.Youmustbe(tired).Youmusthavebeen(glad).Thatmustbe(fun).Thatmusthavebeen(difficult).,Listening2,ArockclimberusesathinropetocrossoverYosemiteFalls.,PriorKnowledge.Discussthequestionswithapartner.,Listening2,1.Wouldyouliketotryrockclimbing?Whyorwhynot?Ifyouhavegonerockclimbingbefore,describeyourexperience.2.Whataresomeofthedangersofrockclimbing?3.Whatkindofequipmentdorockclimbersuse?,ExampleAnswer1IwouldliketotryrockclimbingbecauseIenjoyphysicalchallengesandtakingrisks.,Listening2,1.Wouldyouliketotryrockclimbing?Whyorwhynot?Ifyouhavegonerockclimbingbefore,describeyourexperience.,ExampleAnswer2IwouldntliketotryrockclimbingbecauseImafraidofheights.Iwentrockclimbingonce.Itwasfrightening,butwhenIgottothetop,Ifeltexhilarated,andtheviewwasfantastic.,Listening2,1.Wouldyouliketotryrockclimbing?Whyorwhynot?Ifyouhavegonerockclimbingbefore,describeyourexperience.,ExampleAnswersThemaindangerofrockclimbingisfallinganddying.Dangersthataremoreminorincludetheriskofbrokenbonesorstrainedmuscles.,Listening2,2.Whataresomeofthedangersofrockclimbing?,ExampleAnswersUsuallyclimbersuselotofspecialequipmentincludingropes,helmets,harnesses,andtoolswhichtheyhammerintotherock.,Listening2,3.Whatkindofequipmentdorockclimbersuse?,AConversationBetweenFriendsA|ListeningforMainIdeas.Readthequestionsandanswerchoices.Thenlistentoaconversationaboutrockclimbingandchoosethecorrectanswers.,Listening2,1.Whatisthewomansattitudetowardrockclimbing?a.Shewishesshehadlearnedhowtodoit.b.Shesconcernedthatitsdangerous.c.Shethinksshedbegoodatit.2.Whydidthemanstartrockclimbing?a.Forexercise.b.Forexcitement.c.Tomeetpeople.,b,a,A|ListeningforMainIdeas.,Listening2,3.Whichoftheseversionsofrockclimbingisthemostdifficult?a.Bouldering.b.Traditionalrockclimbing.c.Freesoloclimbing.4.Whichstatementaboutrock-climbingaccidentswouldthemanagreewith?a.Fewerpeopleshouldgorockclimbing.b.Takingsomerisksispartofrockclimbing.c.Climbingshouldbedoneinclimbinggyms.,c,b,B|ListeningforDetails.Readthestatements.Thenlistenagainandcheck()TfortrueorFforfalse.,Listening2,a.indoorclimbingb.boulderingc.traditionalrockclimbingd.freesoloclimbing,1.Peopleclimbonlargerocksashighas16feet.2.Ittakesplaceinclimbinggyms.3.Peopledontuseropesatall.4.Itrequireslotsofequipment.,B|ListeningforDetails.Readthestatements.Thenlistenagainandcheck()TfortrueorFforfalse.,Listening2,AnswerKeys1.b2.a3.d4.c,C|ListeningforDetails.Readthestatements.Thenlistenagainandcheck()TfortrueorFforfalse.,Listening2,1.Ahalfhourofjoggingisequivalenttoaboutanhourofrockclimbing.2.Therearethousandsofclimbinggymsaroundtheworld.3.Therewasarock-climbingaccidentinYosemitelastyear.4.FreesoloclimbingisnolongerallowedinYosemite.,TF,C|ListeningforDetails.Readthestatements.Thenlistenagainandcheck()TfortrueorFforfalse.,Listening2,5.Thereisonedeathinevery320,000climbs.6.Between1990and2007,40,000peoplediedinrock-climbingaccidents.7.Stantriestobeverycarefulwhenheisclimbing.8.Stanhasdecidedtogiveuprockclimbing.,TF,C|ListeningforDetails.,Listening2,AnswerKeys1.F(Ahalfhourofrockclimbingisequivalenttoaboutanhourofjogging.)2.T3.T4.F(Nowsomepeoplearedemandinglegislationtobanfreesoloclimbing.)5.T6.F(Between1990and2007,over40,000peoplegotinjuredinrock-climbingaccidents.)7.T8.F(Stanslookingforwardtogoingagainnextweekend.),Listening2,CriticalThinking.Formagroupwithanotherpairofstudents.Discussthequestions.,1.Anextremesportisasportoractivitythatisexcitingbutdangerous.Whatotherextremesportsareyoufamiliarwith?Doyouparticipateinanyextremesports?Whatdoyoulikeaboutthem?2.Stansaid,“Ifyoudonttakeanyrisks,youllneverhaveanyfun!”Doyouagreewiththisstatement?Whyorwhynot?,Tobecontinued,ExampleAnswer1Otherextremesportsincludewingsuitflying(翼装飞行),skydiving,surfing,whitewaterraftingorkayaking,hanggliding(悬挂式滑翔),andmountainbiking,etc.Yes,Ihavetriedsurfing,whichisphysicallydemandingandrequiresalotoftraining.Ilikesurfingonagoodday.Withlargewaves,itsathrillingactivity,andIfeelgreatafterwards.,Listening2,1.Anextremesportisasportoractivitythatisexcitingbutdangerous.Whatotherextremesportsareyoufamiliarwith?Doyouparticipateinanyextremesports?Whatdoyoulikeaboutthem?,ExampleAnswer2No,Idontparticipateinanyextremesports,becausetheyarefrighteninganddangerous.,Listening2,1.Anextremesportisasportoractivitythatisexcitingbutdangerous.Whatotherextremesportsareyoufamiliarwith?Doyouparticip