新核心大学英语B版听说教程3Unit-7

Unit7TheUniverseInthisunityouwill:1.learnabouttheuniverseandblackholesfromlectures;2.familiarizeyourselfwiththewordsandexpressionsrelatedtothethemeoftheunit;3.learntousethesewordsandexpressionscorrectlyincompletesentences;4.enhancelisteningskillsthroughnon-theme-relatedaudioandvideomaterials;5.learntouseproperexpressionsandsentencestructuresinjobinterviews.LearningobjectivesPartITheme-RelatedActivitiesPartIIListeningStrategiesPartIIIExtensiveListeningPartIVCommunicationSkillsPartVAssessmentLogPartITheme-RelatedActivitiesSectionILectureISectionIILectureIISectionIIILectureIII1.DoyouknowwhattheBigBangis?2.Whatdoyouwanttoknowabouttheoriginsoftheuniverse?Lead-inquestions:Unit7》PartI》SectionI》Lead-inquestionsWordBankdense/dens/adj.密集的；稠密的speck/spek/n.小点；污点compress/kəmˈpres/v.压紧，压缩amorphous/əˈmɔːfəs/adj.无固定形状的；不规则的turmoil/ˈtɜːmɔɪl/n.动乱；混乱fraction/ˈfrækʃn/n.小部份；少量shockwave/sɒkwev/冲击波loophole/ˈluːphəʊl/n.漏洞，空子mind-blowingadj.非常令人兴奋的；给人印象极深的Unit7》PartI》SectionI》WordBankNotesUnit7》PartI》SectionI》Notes1.TheBigBangTheBigBangmodelortheoryistheprevailingcosmologicaltheoryoftheearlydevelopmentoftheuniverse.Thetheorypurportstoexplainsomeoftheearliesteventsintheuniverse(butnottheabsoluteearlieststateofthings,orwhereitcomesfrom).Ouruniversewasonceinanextremelyhotanddensestatethatexpandedrapidly(a¡°BigBang¡±).Thereislittleconsensusamongphysicistsabouttheoriginsoftheuniverseitself(i.e.justasevolutionseekstoexplainourpastonlyaftertheoriginoflife,theBigBangtheoryexplainsonlywhathappenedaftertheuncertainoriginofTask1Watchthevideoclipandthendecidewhetherthefollowingstatementsaretrueorfalse.Unit7》PartI》SectionI》Task11.TheBigBangistheoriginofspace,nottheoriginoftime.2.Itisimpossibletodescribethemomentofcreationinhumanlanguage.3.Everythingwasactuallyasinglepoint,infinitelysmall,unimaginablyhot:asuperdensespeckofpureenergy.4.Gravityhasshapedtheuniverse.Ifgravitywerestrongerthanitis,itwouldbeaveryboringuniverse.5.Ashockwaveofenergyeruptedandexpandedtheuniverseinonedirectionatincrediblespeed.TF______F___T___F___Task2Watchthevideoclipforthesecondtimeandthencompletethefollowingsentences.Unit7》PartI》SectionI》Task21.Allweknowisthatfromwhatmayhavebeennothing,wegotoastateofalmost.2.Understandinghownothingturnedintosomethingmaybethe.3.Ifyouunderstandthat,youstarttounderstandtheBigBang:whentimeandspacebeganand.infinitedensityandinfinitetemperatureandinfiniteviolence______________________________________________thegreatestmysteryofouruniverse____________________________agreatbigexplosioncreatedeverything_______________________________Unit7》PartI》SectionI》Task24.Atthedawnoftime,theuniverseexplodesintoexistence.5.Itisnotevenmatteryet,justapointofragingenergy:.6.CarlosFrenkstudieshowgravityshapedtheuniverse.7.Nextheprogrammedauniversewithtoomuchgravity.Ifgravitywasstrongerthanwethinkitis,againwe’llendupwithafaileduniverse..fromabsolutelynothingintoeverything_______________________________itwasthebeginningoftheuniverseandeverythinginit____________________________________________bycreatingartificialuniversesinthissupercomputer_________________________________________Everythingwillendupinblackholes_____________________________Unit7》PartI》SectionI》Task28.Evenschoolchildrenknowthatyou.9.Scientiststhinkittooklessthanamillionthofamillionthofamillionthofamillionthofasecondfortheuniverseto.10.SonowtheBigBangisonlyafew“PlanckTimes”old:thanthespeedoflight.“can’tgofasterthanthespeedoflight”_____________________________expandfromthesizeofanatomtoabaseball____________________________________anexplodingmassofpureenergyexpandingfaster_________________________________________1.Whatdoyouknowabouttheuniverse?2.Whydoscientistsspendsomuchtimeandenergyexploringtheuniverse?Isitworthwhile?3.Accordingtothelecture,whatis“PlanckTime”?Howdoyouunderstandthisterm?4.Whatistherelationshipbetweenmanandtheuniverse?Task3Watchthevideoclipagainandthenhaveagroupdiscussionbasedonthefollowingquestions.Afterthediscussion,eachgroupwillgiveabriefreporttotheclass.Unit7》PartI》SectionI》Task3【Script】ScriptUnit7》PartI》SectionI》ScriptBillionsandbillionsofgalaxies:theuniverseissovast.Wecan¡¯tevenimaginewhatthosenumbersmean,but14billionyearsago,noneoftheseexisteduntiltheBigBang.¡°TheBigBangistheoriginofspaceandtheoriginoftimeitself.¡±Wetakeajourneythroughspaceandtime,fromthebeginningtotheendoftheuniverseitself.¡°It¡¯simpossibletodescribethemomentofcreationinWordBankexotic/ɪɡˈzɒtɪk/adj.奇异的；异国情调的reside/rɪˈzaɪd/v.定居于；隶属于Schwarzschildradius史瓦西半径auditorium/ˌɔːdɪˈtɔːrɪəm/n.观众席；礼堂supernovaremnants超新星遗迹astronomical/ˌæstrəˈnɒmɪkl/adj.天文学的；天文的spiral/ˈspaɪrəl/n.螺旋形；螺旋式Unit7》PartI》SectionII》WordBankprimadonna女主角演员galacticnuclei星系核emanate/ˈeməneɪt/v.产生；表现；显示stealth/stelθ/adj.隐形的Unit7》PartI》SectionII》WordBankNotesUnit7》PartI》SectionII》Notes1.AndreaMiaGhezAndreaMiaGhez(bornJune16,1965)isanAmericanastronomerandprofessorintheDepartmentofPhysicsandAstronomyatUCLA.ShereceivedaBSinphysicsfromtheMassachusettsInstituteofTechnologyin1987andherPh.D.attheCaliforniaInstituteofTechnologyin1992.In2004,DiscovermagazinelistedGhe