新人教版+高中英语课件+book 3 unit four speaking and listening.ppt

Astronomy:thescienceofthestars,Unit4,Listeningandspeaking,theforceofattractionbetweenallmassesintheuniverse;especiallytheattractionoftheearthsmassforbodiesnearitssurface,Whatisgravity?,Howmuchdoyouaboutthem?,Newton,SirIsaac(1642-1727),anEnglishphysicist,mathematician,astronomer,naturalphilosopher,alchemist,andtheologian,AlbertEinstein(18791955),atheoreticalphysicistwhoiswidelyregardedasoneofthemostinfluentialscientistsofalltime,StephenHawking(1942-),aBritishtheoreticalphysicist,Matchthetheorywiththescientist.,IsaacNewton,AlbertEinstein,StephenHawking,UniversalGravitation,theoryaboutblackholes,theoryofrelativity,A.Thetextisabouthowthreescientistswantedtofindoutaboutthebeginningoftheuniverse.B.Thetextisabouthowtheideaofgravityhasdevelopedoveralongperiodoftime.C.Thetextisabouttheimportanceofthreescientistsandtheirwork.,Listening,ListentoPartIandPart2ofthetapeandchoosethebestsummaryofthelisteningtext.Explainwhatiswrongwiththeothers.,SummaryAisnottrue.Thethreescientistswantedtoexplainhowtheuniverseworkedandnothowitbegan.,SummaryCistoogeneralanddoesnotgiveenoughdetailaboutwhatthelisteningpassageisabout.,ListentoPart1againandfillinthefirstcolumnofthechart.,Largeobjectshaveaforcewhichpullsthingstowardsthem.,Thebiggertheobject,thestrongerthegravity.,ListentoPart2againandfillintherest.,Inspacelargeobjectsmakespaceandtimebend;thelargertheobject,thefurtherspaceandtimebends.,Timegoesslowerinverystronggravity,Blackholeshaveaverylargemassandpullthingstowardsthem.,Ifyouovertheedge,youcannotgetout;butifyoudonot,youmaybeabletoescape.,Whateducationandexperiencedoyouneedtobecomeanastronaut?2.Doyouthinkthereareanyspecialrequirements?3.Whatkindofpersonmakesagoodastronaut?4.Whatproblemsdoyouthinkhe.Shewouldhaveinspace?,FreeTalk,Pre-listening(Workbook,Page62),OnOctober15th2003YangLiweiwentupintospace.Whatwereyoudoingthenandwherewereyou?Howdidyoufeelaboutthesuccessfullauch?,Severalcountriesareinvolvedinspacetravelwithsatellitesandspaceshipsthathavevisitedoneoftheplanets(Mars:USA)andthemoon(USA).,Onlyonecountry,theUSA,hassentastronautstothemoonandreturnedthemsafely.,Threecountrieshavesentastronautsintospace:Russia,USAandChina.,ThreeRussiaastronautshavetravelledroundtheearthandlivedinaspacestation.TheAmericanastronautshavetravelledroundtheearth,livedinaspacestationandlandedonthemoon.TheChineseastronautshavetravelledroundtheearth.,Listening(Workbook,Page62),Themainideaistheexcitementofspacetravelandthequalificationsandexperienceneededtobecomeanastronaut.,Listentothetapeandwritedownthemainidea.,ListentoPart1ofthetapeagainandmakenotesoftheanswerstothequestions.,Whenhisspaceshipliftedoffthegroundheknewhewasreallyonhiswayintospace,Thebeautyofspace,Hewatchedallhisinstrumentsandstayedcalm.,ListentoPart2andfillintheform.,Hegothisdegree.,Hetrainedfortenyearstoflyairplanesandthentoflyaspaceship,Smallerthan170cm;lessthan70kg.,Calm,hard-working,Well,I_ofitwhenIwas_,butIneverthoughtmy_wouldcome_.Itallhappenedvery_.Iftherewasan_,Id_togotothemoononeday.,Fillintheblanksinthepassagebelow.,dreamed,young,wish,true,gradually,opportunity,love,ListeningTask(Workbook,Page65),Doyouwanttomakeaspacewalk?Whatarethepotentialdangerslivinginspace?,TheHubbleSpaceTelescope(HST)isaspacetelescopethatwascarriedintoorbitbytheSpaceShuttleDiscoveryinApril1990.ItisnamedaftertheAmericanastronomerEdwinHubble.,Gravitybootsareanklesupportsdesignedtoallowapersontohangupsidedown.,Listentothetapeandwritedowntheproblemsofmakingaspacewalk.,Wearheavyspacesuit,Havetomoveslowly,Withoutgravity,Havetotietothespaceship,ListeningTask(Workbook,Page65),Listentothetapeagainandnumberthewordsasyouhearthem.,_Hubbletelescope_oxygen_waist_gravityboots_engines_weigh_tiring_feathers,1,2,3,4,5,6,7,8,Heusedsmallengines.,Itneededcleaningsothatitwouldworkbetter.,Itcarriesoxygen;itcarrieshotandcoldwatertowarmhimifitstoocoldandcoolhimifitstoohot.,Listentothetapeandmakenotestoanswerthequestions.,Strangebecauseyoudonotweighanything.Youflyaroundlikefeathers,Youwouldcontinueintospaceandnevergetbacktothespaceship.,Yes.TheHubbletelescopeworkswellnow.,Asaschoolnewspaperjournalist,youaregoingtomeetLiYanpingafterhisreturntotheearth.Youmayaskthefollowingquestionsaswellasworkoutsomemore.,Whatwasthemostunexpectedthingyoufoundoutabout“blackholes”?Ifyoucannotseea“blackhole”,howdoyouknowyouhavegotclosetoit?Whatwasthemostfrighteningthingthathappenedtoyouonthisjourney?,Speaking,Ifoneofyourfriendisplanningtotraveltothemoon,whatadvicewouldyougivehim/her?,Youmaythinkofmanyotherproblemsonecanmeetwithwhentraveltothemoon.,Makealistofyourideas,anddiscussthesolutionstotheproblems.,（Instructions）:Pleaselookat/listentoPleasepayattentiontoPleasecheckthatMakesureyouDontforgettoWatchoutforYouneedYoudbetterYoumust/mustnt,Theexpressionsyoumayuse:,Sampledialogue,A:Imgoingtovisitthemoon.Imleavingtomorrow.B:Howexciting!Pleasecheckthatyouhavegotthecorrectsortofspacesuit.Youneedthekindthatwillkeepyouwarmifitstoocold.A:Ofcourse!,B:Makesureyouknowallthesafetyrules.Itsnotsafetostandonacometorgettooclose.Thereisalwaysastrongwindinspace.A:IwontleavethespaceshipexceptthatItakephotos.B:Photos?Justthinkofthedustintheair.Itwillmaketakingphotosverydifficult.A:Well,Illtakesomeanyway.,B:Watchoutforthespacewind!Itcanbeverydangerous.A:Yes,Iknowthat.B:Dontforgettowatchthetimeasyouleavetheearth.Pleasepayattentionto