unit4AstronomyUsingLanguage—AVisittotheMoon.ppt

Usinglanguage:Avisittothemoon,Whatistheearthsnaturalsatellite?,Themoon.,（天然卫星）,“Onesmallstepforaman,onegiantleapformankind”.,NeilArmstrong(1930),USA.HelandedonthemooninJuly1969.,“这是个人迈出的一小步，但却是人类迈出的一大步。”,Whowasthefirstmanlandingonthemoon?,Chinasfirstastronaut-YangLiweiOct.16th2003,The1stlunarprobe(月球探测器),ChangeI,onOct24,2007,Chinaisplanningtolandonthemooninthenearfuture.,spacewalk,Lookatthepictures!,Thegravityonthemoonis1/6asstrongasitisonearth.Thismeansthatsomeonewhoweighs150lbs(磅)onEarthwouldweighonly25lbsonthemoon!Youmightthinkthatthiswouldmakewalkingmucheasier,butitisactuallyquitedifficultLaterintheApollo(阿波罗)(Moonlanding)mission,astronautsdiscoveredthatitwaseasiertohop(跳)thanitwastowalk.,float,zerogravity/weightless,Now,letssetoutforthemoon!,Skimthe4paragraphsquickly,andsummarizethemainideaofeachparagraph:,Para1:Para2:Para3:Para4:,ThethingsIdidonthemoon.,Weturnedbacktotheearth.,Lastmonth,wevisitedthemoon.,Howtheforceofgravitychangedwhenwetraveledfromtheearthtothemoon.,Theforceofgravitywouldchangefourtimesontheirjourney.()2.Whentheywereonthemoon,theywouldnotfeelthegravitybecausetherewasnogravityonthemoon.()3.Sincethegravityhaschanged,theirwalkdidntneedalotofpractice.()4.“Avisittothemoon”wasnotarealstorybutsciencefiction.()5.Theirreturningtotheearthwasfrightening.(),F,F,F,T,T,three,would,asif,did,(Para3,L8),(Para2,L9),(Para2,Line1),(Para4,L2),Detailedreading:,Trueorfalsequestions,Carefulreading,Leavingtheearthforthemoon,Q:Howmanytimeswouldtheforceofgravitychangeonourjourney?Whichchangewouldbethemostpowerful?,Onthemoon,Thechangeofgravity,Inspace,Verystrong,Disappeared,Verylight,Leavetheearth,Withtherocketrisingintotheair,wewere_intoourseatbecauseofthestrong_oftheearthsgravity.Graduallytheweight_aswemovedfarawayfromtheearth.AndI_weightlesslyaroundinourspaceshipcabin.Whengettingclosertothemoon,wefeltpulledby_,butitwasnotasstrongastheearths.,pushed,pull,lessened,floated,gravity,Walkingonthemoon,Q:WhathappenedtomewhenItriedtostepforward?Whydidwalkingneedpractice?,A:Iwascarriedtwiceasfarasontheearthandfellover.Becausethegravitychanged.,ReadPara.4andanswer:Wastheirreturningpainful?Whathappenedtothespaceship?,Yes.Firebrokeoutontheoutsideofthespaceship.,Returningtotheearth,Whatwasmyfeelingwhilereturning?Usesomeadjectives(形容词）todescribeit.,frightened,amazed,exhausted,excited,Ifelt,1.LastmonthIwasluckyenoughtohaveachancetomakeatripintospacewithmyfriendLiYanping,anastronomer.上个月我有幸得到一个机会同我的朋友，一位宇航员李彦平一道去太空旅行。,Languagepoints,haveachancetodo有机会做某事IhopeIcanhaveachancetotraveltospace.givesbachance给某人机会Couldyougivemeonemorechance?bychance=byaccidentIdiscovereditbychance.,2.Whenwegetclosertothemoon,weshallfeelitsgravitypullingus,butitwillnotbeasstrongapullastheearths.,getcloseto靠近，接近，指动态变化becloseto距.近，指状态Theschoolisclosetothepostoffice.,家长应该阻止孩子接近火。_,Parentsshouldpreventchildrenfromgettingclosetofire.,“asas”句式：和.一样as+adj./adv.+asas+adj(+a+可数名词单数）+asas+adj+(不可数名词或可数名词复数）+asHisbedroomisascleanashissisters.YouvemadeasmanymistakesasIhave.,“asas”句式的否定:“notas/soas”e.g.HecannotspeakEnglishsofastasanativespeaker.,as+adj.+(n.)+asThisfilmis_thatone.这部电影和那部电影一样有趣。Weshouldplanttrees_.我们应该尽可能多种树。Thisdictionaryis_youthink.这本字典不如你想象的那样有用。Johnis_asmike.约翰和迈克是一样聪明的学生。,asinterestingas,asmanyaspossible,notasusefulas,ascleverastudent,当看到Beckham，球迷们(thefans)欢呼起来。_whentheysawBeckham.,他带她去听音乐会(concert)来使她高兴。Hetookhertotheconcertto_.,The,fans,cheered,up,cheer,her,up,Cheers!,OurfootballteamwillcompeteagainsttheJapaneseteamthisevening.Letsgoandcheerthemup！,为某人加油,3.Icheeredupimmediatelyandfloatedweightlesslyaroundinourspaceshipcabinwatchingtheearthbecomesmallerandthemoonlarger.,干杯!,1).A+be+倍数n+as+形容词原级+as+B,4.ButwhenItriedtostepforward,IfoundIwascarriedtwiceasfarasontheearthandfellover.,3).A+be+倍数n+形容词比较级+than+BA比B大(长、高、宽等)n倍,2).A+be+倍数n+the+名词(size,length,width,height,depth,weight,amount)+of+BA是B的n倍,倍数表达法：,这根绳子(rope)是那根绳子的六倍长。,A=nB,A=(n+1)B,考例：Ournewlibraryis_theoldone.A.fourtimesaslargeasB.fourtimesthesizeC.fourtimeslargerD.fourtimeslargerthanthat,这条河是那条河的五倍宽。1._2._3._这块石头的重量是那块石头的三倍。1._2._3._这颗树是那颗树的四倍高。1._2._3._,Thisriverisfivetimesaswideasthatone.,Thisriverisfourtimeswiderthanthatone.,Thisriverisfivetimesthewidthofthatone.,Thisstoneisthreetimesasheavyasthatone.,Thisstoneistwiceheavierthanthatone.,Thisstoneisthreetimestheweightofthatone.,Thistreeisfourtimesashighasthatone.,Thistreeisthreetimeshigherthanthatone.,Thistreeisfourtimestheheightofthatone.,5.“walkingdoesneedabitofpracticenowthatgravityhaschanged.,nowthat同since相似，语气较弱，强调人们已知的事实。后跟句子。,Translation:既然你已经得到这个机会，就应该充分利用它。Nowthatyouvegotthechance,youshouldmakefulluseofit.,7.Wewatched,amazedasfirebrokeoutontheoutsideofthespaceshipastheearthsgravityincreased.,amazed是过去分词，此处做状语用,他进来的时候没有人注意到.Hecamein_.,breakout(战争,争吵,疾病等)爆发,unnoticed,它与happen,takeplace,comeout等词的用法一样，是不及物动词，不能带宾语，不能用于被动语态。,1)战争爆发TheAmericanCivilWarbrokeoutin1861.2)发生争吵Aquarrelbrokeoutbetweenthem.,3)(火灾)发生Afirebrokeoutinhishouselastnight.,Mycar_(抛锚)soIhadtowalkthere.Thefamousband_(解散)intheend.Thieves_(闯入)hishouselastnight.Thewar_(爆发)tenyearsago.Theenemysdefenseswerestrongbutoursoldiers_(突破；突围).,brokedown,brokeup,brokeinto,brokeout,brokethrough,与break相关的短语:,选用方框内合适的词或短语，并用其适当形式填空。(其中有一个多余选项)Becarefulofyour_,Tom.Donteattoomuch.2.Yououghttohaveagoodrest_youvefinishedthework.,weight,nowthat,练习坊,float;nowthat;weight;getthehangof;watchout;pull,3.Shespenttheafternoon_onherbackinthepool.4.Itseemsdifficultatfirst,butyoullsoon_it.5.Youhaveto_becausethereareland-minesallovertheplace.,watchout,floating,getthehangof,float;nowthat;weight;getthehangof;watchout;pull,II.用适当的介词或副词填空。1.Comeon.Cheer_!Yourenottheonlyonewhofailedinthetest.2.Sincetherearemanyproblemsthatcantbesolved,thewarislikelytobreak_.3.LastSaturday,Iwentonavisit_theGreatWallwithsomeofmyfriends.4.Isthereanythingelseyouwouldlikemetoexplain_you?,up,out,to,to,5.Watervaporislighter,otherwiseitwouldnotrise_theair.6.Hisgrandfatherlivesinalonelyvillagewhichisfar_hishouse.7.Theleavesfall_thetreesandblowaboutintheautumnwind.8.Asamatteroffact,Ididntknowhim_all.,into,from,from/off,at,9.Makesurethatyourchildrenca