新核心大学英语B版听说教程1unit5

Unit5ViewpointsonScienceInthisunityouwill:1.learnaboutthescientificmethod,viewpointsonscience,andscientificdiscoveriesfromreports,speechesandlecturesgivenbyprofessors;2.familiarizeyourselfwiththewordsandexpressionsrelatedtothethemeoftheunit;3.learntousethesewordsandexpressions;4.learnhowtospeakEnglishwithcorrectintonationandlistenfornumbersinspokendiscourse;5.practicelisteningwithothernon-theme-relatedaudioandvideomaterials;6.usetheproperexpressionsandsentencestructurestoapplyforavisa.LearningobjectivesPartITheme-RelatedActivitiesPartIIListeningandSpeakingStrategiesPartIIIExtensiveListeningPartIVCommunicationSkillsPartVAssessmentLogPartITheme-RelatedActivitiesSectionIReportAboutScientificDiscoveries(PartI)SectionIIReportAboutScientificDiscoveries(PartII)SectionIIIInterview1.Howdoyoufeelaboutnewscientificdiscoveries?2.Whatdoyouaspiretoinventordiscoverifyouwereascientistnow?Lead-inquestions:Unit5》PartI》SectionI》Lead-inquestionsWordBankself-evident/selfˈevɪdənt/adj.显然的diagnose/ˈdaɪəɡnəʊz/vt.诊断，查出spontaneous/spɒnˈteɪniəs/adj.自发的generation/ˌdʒenəˈreɪʃən/n.产生，发生formulate/ˈfɔːmjʊleɪt/vt.制订，规划hypothesis/haɪˈpɒθəsɪs/n.假设，假说hypothesize/haɪˈpɒθəsaɪz/v.假设，假定flask/flɑːsk/n.长颈瓶，烧瓶broth/brɒθ/n.肉汤neutron/ˈnjuːtrɒn/n.中子microbe/ˈmaɪkrəʊb/n.微生物；细菌sterile/ˈsteraɪl/adj.无菌的，消过毒的Unit5》PartI》SectionI》WordBankNotesUnit5》PartI》SectionI》Notes1.PlatoPlato(427BC¡ª348BC)isanancientGreekphilosopher,mathematician,writerofphilosophicaldialogues,andfounderoftheAcademyinAthens,thefirstinstitutionofhigherlearningintheWesternworld.Togetherwithhisteacher,Socratesandhisstudent,Aristotle,PlatohelpstolaythefoundationsofWesternphilosophyandscience.2.GalileoGalileiGalileoGalilei(1564¡ª1642)isanItalianastronomer,physicist,mathematicianandphilosopherwhosemanydiscoverieshadagreatinfluenceonmodernscience.HediscoveredthattheplanetsmovearoundtheSun,formulatedthelawofuniformTask1Watchthevideoclipandthendecidewhetherthefollowingstatementsaretrueorfalse.Unit5》PartI》SectionI》Task11.TheancientGreekswereacclaimedasgreatthinkersandobserversbecausetheytestedtheirideasinasystematicandscientificway.2.Thescientificmethodiswidelyusedindailylife,fromtroubleshootingcarproblemstomajorscientificdiscoveries.(Theydidnotbelieveintestingtheirideasinanorderly,unbiasedway.F___T___3.FrenchscientistLouisPasteurwasthefirstonetoapplythescientificmethod.4.Therewasacontroversyoverwheremicrobescomefrom.5.Pasteurconductedanexperimenttoprovethatmicrobesarecreatedbyaspeciallifeforceintheair.(Butthevideoonlyclaimsthatheconductedanexperimentwithallthefeaturesofscientificmethod..)(Herejectedthistheoryandthepurposeofhisexperimentwasdonetodisprovethisidea.)T___F___F___Unit5》PartI》SectionI》Task11.Pasteurbelievedthat.2.Hehypothesizedthat.3.Heplacedthebrothinandheateditto.Task2Watchthevideoclipforasecondtimeandthencompletethefollowingsentences.microbescouldbecarriedby,butnotcreatedbytheair____________________________________________Unit5》PartI》SectionI》Task2aflaskofbrothwouldstaysterileaslongasnoairbornemicrobescouldgetinandusethenutrientsinthebrothtomultiply_________________________________________________________________________________________________forceoutalltheair_______________aspecialswanneckflask_____________________4.Heobservedthecooledbrothandfoundthatwhenhebrokeofftheneckoftheflask.5.Pasteurconcludedthat.Unit5》PartI》SectionI》Task2airborneobescouldgetinandthebrothbecamecloudyastheymultiplied____________________________________________________________hisexperimentprovedhishypothesis/heshouldaccepthishypothesisratherthanrejectingormodifyingit____________________________________________________________________________________________Task3WatchthevideoclipagainandthenworkinpairstodescribetheexperimentPasteurperformed,basedonthevideoclipandthefollowingpictures.Afterwards,eachgroupwillgiveabriefreporttotheclass.Unit5》PartI》SectionI》Task3【Script】ScriptUnit5》PartI》SectionI》ScriptSinceancienttimes,peoplehavewonderedaboutthenatureoftheworldaroundthem.HowwastheEarthformed?Whataretheoriginsoflivingthings?Howdowefitintotheuniverse?Scienceallowsustoexplorethesekindsofquestionsbyobservingandinteractingwithoursurroundings.Historyhastaughtusthatwehavetobecarefulabouthowweobserveouruniverse.¡°WhatisthecenteroftheUniverse?¡±¡°Well,Ithinkit¡¯sself-evidentthattheearthisatthecenteroftheUniverse.¡±¡°Oh,Isee.¡±TheancientGreeksweregreatthinkersandobservers,buttheydidn¡¯tbelieveintestingtheirideasinanorderly,unbiasedWordBankgerminate/ˈdʒɜːmɪneɪt/v.（使）种子发芽address/əˈdres/vt.对付，处理variable/ˈveəriəbl/n.变量vermiculite/vəːˈmɪkjʊlɪt/n.蛭石deprive/dɪˈpraɪv/v.剥夺straggling/ˈstræglɪŋ/adj.四散的，散落的modify/ˈmɒdɪfaɪ/v.改变，修改Unit5》PartI》SectionII》WordBankNotesUnit5》PartI》SectionII》Notes1.Tocheckfortheeffectofjustonevariable,inthiscase,light,weneedtochangeonlythisvariable,whilekeepingalltheothersthesame.inthiscase:inthisparticularsituation;withreferencetosomeoneorsomethingForexample:Inthiscase,severalsolutionscouldbetried.Timeisanimportantfactorinthiscase.I¡¯llmakeanexceptioninyoucase.Onemoreexamplefromthisvideoclip:Weneedtodecidei