新编大学英语（第四版） 视听说教程2（2023版）（智慧版）B2U8.pptx

8UNITTechnology:Controllersorhelpers?Uponcompletionofthisunit,youwillbeableto:voiceyouropiniononvarioustechnology-relatedtopics;understandthespeaker’sstandpointormainargument;useexamplestoillustrateyourpointinspeech;learnthestresspatternsinnouns;developamorebalancedunderstandingoftheroletechnologyplaysinourlivesandgettoknowhowtomakebetteruseofit.Learningobjectives?

WarmingupListeningspeakingViewingspeakingUnitprojectFurtherlisteningCONTENTS12345

WarmingupLookatthepicturesandworkwithyourpartnertodescribehowtechnologyhasimprovedhealthcare,homecomfort,communication,entertainmentandtravel.1Howhastechnologychangedourlives?

Overthepastdecades,technologyhasgreatlyimprovedourlives.First,withregardtohealthcare,therehasbeenanenormousimprovementinthewaydiseasesarediagnosedandtreated.Withtheinventionofmedicalequipmentsuchasmicroscopes,CTscanners,andendoscopes,doctorsareabletospotearlysignsofdisease,andprovidepatientswithawidearrayoftreatments.Thus,patientscanstandamuchbetterchanceofbeingcured.Asaresult,theaveragehumanlifespanhasseenacontinuousincreaseoverthepastdecades.Second,intermsofhomecomfort,theinventionofavarietyofhouseholdappliances,includingrefrigerators,washingmachines,andmicrowaveovens,hasbroughtpeoplemuchconvenienceandcomfort,andhassavedpeoplealotoftimeinhandlinghouseholdchores.Third,advancesincommunicationtechnologyhavegreatlyshortenedthedistanceReferenceanswersWarmingup

betweenpeople.Peoplenowcanusesocialmedia,videoconferencingtools,andmobileappstocommunicatewithanyonearoundtheworldatanytime.Fourth,thankstotechnology,peopleareabletoenjoyarichvarietyofentertainment,includingmovies,TVshows,music,andvideogames,athomeoronthemove.What’smore,therecentinventionofvirtualrealityt