必修三unit4-洋思公开课a-visit-to-the-moon

RaoMingyanEnjoyavideoLearningaims:1)Knowaboutthemainideaofthetextandhowthegravitychanged.2)Learnsomeusefulphrases.1.TrueorFalse:1)Theearthmovesaroundthesun.2)Ittakesthemoononedaytomovearoundtheearth.3)Earthistheonlyplanetmovingaroundthesun.4)Thereisatmosphereonthemoon.TFFFCompetition:thefirstmaninspaceYuriGagarin尤里·加加林ThefirstmanonthemoonNeilArmstrong‎尼尔·阿姆斯特朗RussiaU.S.A.That'sonesmallstepforaman,onegiantleapformankind.HeisthefirstastronautinChinawhotraveledinspace.YangLiweiHeisaheroofournationinourheartandmind.Imagine:Whatwillyouneedifyouhaveachancetovisitthemoon?oxygentanks氧气瓶SpaceFoodSpacesuitsLastmonthanastronomer,LiYanpingvisitedthemoonwithhisfriend.EnjoyavideoReadingAvisittothemoonGuideOne1)Understandthemainideaofeachparagraph.2)Findthedetailinformationbyreadingfor6minutes.Skim4paragraphsquickly,andfindoutthetopicofeachparagraph:Para():Para():Para():Para():ThethingsIdidonthemoon.Weturnedbacktotheearth.Lastmonth,wevisitedthemoon.Howtheforceofgravitychangedwhenwetraveledfromtheearthtothemoon.34121.Howmanytimeswouldthegravitychangeduringtheirjourney?A.TwiceB.ThreetimesC.FourtimesD.Once2.Whywasthespaceshipnotfallingbacktotheearth?A.Becauseitwastoofarfromtheearthtofeelitspull.B.BecauseitwastoobigC.Becauseitwasfarfromthemoon.D.Notmentionedinthetext.Comprehending3.WhichoneisNOTtrueaccordingtothepassage?A.Themoon’sgravityisnotasstrongastheearth’sB.Weenjoyedourselvesonthemoon.C.WalkingonthemoonwasnotveryeasyD.Leavingthemoon’sgravitywasmorepainfulthanleavingtheearth’s4.Returningtotheearthwasvery_____.A.interestingB.excitingC.frighteningD.amazingScanningTheforceofgravitywouldchange3timesontheirjourney.ThetimeThegravitychangedLefttheearthInspaceOnthemoon1.Thepullofgravitybecameverys.2.Thegravitydandwefloated.3.Thegravitybecameveryl.strongdisappearedlightweightlesslyHisweightchangedthreetimestoo.Nowwritethemdown.TheweightchangedLefttheearthInspaceOnthemoonHebecameveryheavy.Hehadnoweightandcouldfloataroundlikeafeather.Heweightedlessthanontheearth.1)Learnsomeusefulphrases.2)Fillintheblanks.3)Retellthejourneytothemoon.GuidetwoPhrases:有机会做sth.升空从树上摔下更接近于感到高兴向前迈步需要练习既然熟悉，掌握爆发haveachancetodorise/roseintotheairfall/fellfromthetreegetclosertocheerupstepforwardneedabitofpracticenowthatgetthehangofbreak/brokeoutLastmonthIvisitedthemoonwithmyfriends.Beforeweleft,Iwastoldtheforceofg_____wouldchangethreetimesonourjourney.Thenwewereoff.Astherocketintotheair,wewerebackintoourseats.Graduallytheweightl______.WhenIwasinspace,itd_________.Wef______weightlesslyinthecabinandIc_______.WhenIwasonthemoon.Iwassurprisedtofindoutevenwalkingneedslotsofpracticen______gravitychanged.Thereturningoftheearthwasveryf________.Wewereamazedtowatchfireb_______ontheoutsideoftheship.gravitylesseneddisappearedfloatedcheeredupnowthatfrighteningbreakoutrosepushedLastmonthIvisitedthemoonwithmyfriends.Beforeweleft,Iwastoldtheforceofg____wouldchangethreetimesonourjourney.Thenwewereoff.Astherocketintotheair,wewerebackintoourseats.Graduallytheweightl______.WhenIwasinspace,itd_________.Wef______weightlesslyinthecabinandIc_______.WhenIwasonthemoon.Iwassurprisedtofindoutevenwalkingneedslotsofpracticen______gravitychanged.Thereturningoftheearthwasveryf________.Wewereamazedtowatchfireb_______ontheoutsideoftheship.Translatethesesentences:1.这是因为月球上没有空气。Thisisbecause______________onthemoon.2.月球引力没有地球那么强烈,所以食物会漂浮。Thegravityofthemoonisnot___________theearth’s,sothefoodwill____around.thereisnoairasstrongasfloat3.我可能会发现在月球上移动是比较困难的。4.我需要练习一下走路,一旦我掌握了它,就不会摔倒。Imayfind__difficultto________onthemoon.Ineed______practice;onceI___________ofit,Iwon’tfallover.itmovearoundabitofgetthehangGuidethreeInpairsdiscusswhatyouneedandwhatproblemsyouwillmeetifyoutraveltothemoon.•Youmighthavesomeproblems:HowtobreatheproblemsWhattoeatWhattowearspacesuitsoxygentanks氧气瓶spacefoodthingsneededonthemoon…Ifyoufollowthisadvice,Ithinkyouwillhaveagoodtimeonthemoon.Discussion:Ifyouvisitthemoon…1.Whatproblemswillyoumeet?2.Tosolvetheseproblems,whatthingswillyoutake?Example:IfIhadthechancetovisitthemoon,Imighthave···problems:Thefirstoneis····,because····Tosolvethisproblem,Iwouldtake····withme.Thesecondoneis········Discussion:Problem1:howtobreatheIwillhavetocarrymyoxygentanksifIgotothemoon.Thisisbecausethereisnoaironthemoon.IwillputtheoxygentanksonmybacksothatIcanbreatheallthetime.Problem2.whattoeatIwillhavetotakemyfoodwithme.Becausethegravityofthemoonisnot‎as‎strong‎as‎the‎earth’s,‎the‎food‎willfloataway.IneedtobringSpaceFoodthatIcaneatmoreeasily.Problem3howtomovearoundMylastproblemishowtomovearoundonthemoon.Imayfinditmoredifficulttomovearoundonthemoon.Iwillneedabitofpractice,onceIgetthehang‎of‎it,‎I‎won’t‎fall‎over.1.cheerup:(causesbto)becomehappierormorecheerful当看到球队的到来，人群欢呼起来。_____________________whentheysawtheteamarrive.他带她去听音乐会来使她高兴。Hetookher_____________to____________.ThecrowdcheereduptotheconcertcheerherupLanguagepoints:2.getthehangofsth.(a)learnhowtooperateordosth(b)graspthemeaningofsthsaidorwritten我一直想知道这部新的打字机的用法.I’vebeentryingtogetthehangofthisnewtypewriter.我不十分了解你的论据的意义.Idon’tquitegetthehangofyou