新课标必修3UNIT4avisittothemoon阅读

UNIT4Avisittothemoon1/44Doyouwanttogotothemoon?Imaginewhatyouwillfeelwhenyouareinspace?2/44Thepulloftheearth’sgravitywilldisappearwhenyouareinspace.Youwillbeweightless.Thegravityofthemoonisverylight.Youwillweighlessthanontheearth.3/44

Thegravityonthemoonis1/6asstrongasitisonearth.Thismeansthatsomeonewhoweighs150lbs(磅)onEarthwouldweighonly25lbsonthemoon!Youmightthinkthatthiswouldmakewalkingmucheasier,butitisactuallyquitedifficultLaterintheApollo(阿波罗)(Moonlanding)mission,astronautsdiscoveredthatitwaseasiertohop(跳)thanitwastowalk.

4/44Spacewalk5/442..Ittakesthemoononedaytomovearoundtheearth.3.Theearthistheonlyplanetmovingaroundthesun.TrueorFalseTheearthmovesaroundthesun.TFFF4.Thereisatmosphereonthemoon.6/441._____wasthefirstpersonlandingonthemoon?A.ArmstrongB.YangliweiC.TomCruiseD.IssacNewton2.Whendidhelandonthemoon?A.1921 B.1969C.1954D.1949

3.WhendidYangLiweigotothespace?A.Oct,B.Jan,C.Oct,D.Jan,

ABA7/44thefirstmaninspaceYuriGagarinThefirstmanonthemoonNeil

Armstrong‎Russia1961U.S.A.19698/44Doyouknowwhotheyare?9/4410/4411/44ReadingAvisittothemoonChinaisplanningtolandonthemooninthenearfuture.12/44Fastreading:TrueorFalseTheforceofofgravitywouldchangefourtimesontheirjourney.()2.Whentheywereonthemoon,theywouldnotfeelthegravitybecausetherewasnogravityonthemoon.()3.Sincethegravityhaschanged,theirwalkdidn’tneedalotofpractice.()FFF13/44Detailedreading:ReadPara2carefullyandunderline3sentencesthatshowthechangesofthegravity.

asheleftinspaceonthemoon)14/44thewaygravitychangedlefttheearthinspaceonthemoonItbecameverylight.

Thegravitybecameverystrong.

Thegravitydisappeared.15/44ThethreewaysinwhichgravitychangedforLiYanping andhowhisweightchanged.1.Thepullofgravitybecameverystrongshelefttheearth’satmosphere.Hisweightisnormal.2.Itdisappearedwhenhewasinspace.Heisweightless.3.Itwasverylightwhenhewasonthemoon.Heweighslessthanonearth.16/44Wastheirreturningpainful?Whathappenedtothespaceship?Yes.Firebrokeoutontheoutsideofthespaceship.Q&A17/44LastmonthIvisitedthemoonwithmyfriend.Beforeweleft,Iwastoldtheforceof______wouldchangethreetimesonourjourney.Thenwetookoff.Graduallytheweight_______.WhenIwasinspace,it__________.We_______weightlesslyinthecabinandI_________.WhenIwasonthemoon,Iwassurprisedtofindoutevenwalkingneedslotsofpractice_________gravitychanged.Thereturningoftheearthwasvery__________.Wewereamazedtowatchfire________ontheoutsideoftheship.gravitylesseneddisappearedfloatedcheeredupnowthatfrighteningbreakoutSummary18/44Ifyouvisitthemoonwhatproblemswillyoumeetwith?Tosolvetheseproblems,whatthingswillyoutake?Pleasetakedownsomenoteswhilediscussing,afterdiscussion,pleasereportit.Example:IfIvisitedthemoon,Imighthave?problems:Thefirstoneis····Because····Tosolvethisproblem,Iwouldtake····withme.Thesecondoneis········Discussion:19/44HowtocoolyouYoumighthave4mainproblems:HowtobreatheproblemsWhattoeatWhattowearspacesuitoxygentanksspacefoodthingsneededonthemoonIfyoufollowthisadvice,Ithinkyouwillhaveagoodtimeonthemoon.water20/44HomeworkWriteapassageexplainingthreeproblemsyoumightmeetonthemoonandhowyouwillsolveit.21/442.watch…do/doing:观看，注视我们看着太阳正在树后面落下。We_____________________behindthetrees.每一天当他们看到植物生长，他们心里都充满了希望。Everydayasthey______________________,theirheartsfilledwithhope.watchedthesunsettingwatchedtheplantgrow22/441).“A+be+倍数+as+形容词原级+as+B”.Thistreeisthreetimesastallas

thatone.Hisfatheristwiceasoldashe.2).“A+be+倍数+形容词比较级+than+B”3.…twiceasfaras…23/44TheYangtzeRiverisalmosttwicelongerthanthePearlRiver.

长江差不多比珠江长两倍。Thenumberofstudentsinourschoolisthreetimeslargerthan

thatintheirs.

我们学校学生数量是他们学校三倍。24/44

3).“A+be+倍数+the+名词

(size,length,amount)+of+B”Thenewlybroadenedsquareisfourtimesthesizeofthepreviousone.

新扩建广场是未扩建时四倍大。25/44—Doyouregret_______(pay)100dollarsforthepainting?—No,Iwouldgladlyhavepaid__________(两倍那么多了)forit.

(paying;twiceasmuch)

26/44Translation:1.既然你忙,就让我给你做吧。Nowthatyouarebusy,letmedoitforyou.2.既然人都齐了,咱们开始干吧。Nowthateveryoneisherelet’sstartwork．27/44

4.nowthat既然；现在/当初nowthat同since相同，语气较弱，强调人们已知事实。Translation:1.既然你忙,就让我给你做吧。Nowthatyouarebusy,letmedoitforyou.2.既然人都齐了,咱们开始干吧。Nowthateveryoneisherelet’sstartwork．28/441).A+be+倍数+as+形容词原级+as+BThistreeisthreetimesastallasthatone.

这棵树是那棵树三倍高(比…高两倍)。Hisfatheristwiceasoldashe.

他父亲是他年纪两倍(大一倍)。4.ButwhenItriedtostepforward,IfoundIwascarriedtwiceasfarasontheearthandfellover.

29/44

2).A+be+倍数+形容词比较级+than+BTheYangtzeRiverisalmosttwice longerthanthePearlRiver.

长江几乎比珠江长两倍。Thenumberofthestudentsinour schoolisthreetimeslargerthanthatin theirs.

我们学校学生数量比他们学校多三倍。30/443).A+be+倍数+the+名词(size, length,amount)+of+BThenewlybroadenedsquareisfourtimesthesizeofthepreviousone.

新扩建广场是未扩建时四倍大。31/44—Doyouregret_______(pay)100dollarsforthepainting?—No,Iwouldgladlyhavepaid__________(两倍那么多了)forit.

(paying;twiceasmuch)32/44Howdoestheforceofgravitychangeifyouvisitthemoon?gravity:forcethatattractsobjectsinspacetowardseachother.万有引力，重力，地心引力Whatistheearth’snaturalsatellite?Themoon.（自然卫星）33/44thenaturalforcethatcausesanobjecttomovetowardthecentreoftheearth.Gravity34/44Part1:TrueorFalseTheearthmovesaroundthesun.TFFFT2.Ittakesthemoononedaytomovearoundtheearth.3.Earthistheonlyplanetmovingaroundthesun.4.Thereisatmosphereonthemoon.5.Plutoisthesmallestplanetinsolarsystem?35/44Part2:Multiplechoice:

1._____isthenearestplanetfromthesun?A.VenusBMarsC.MercuryD.UranusC2._____isthebiggestplanetinthesolarsystem?A.MarsB.Pluto

C.EarthD.Jupiter

D36/443._____wasthefirstpersonlandingonthemoon?A.ArmstrongB.YangliweiC.TomCruiseD.IssacNewton4.Whendidhelandonthemoon?A.1921 B.1969C.1954D.1949

5.WhendidYangLiweigotothespace?Oct,B.Jan,C.Oct,D.Jan,

ABA37/44IsaacNewtonAlbertEinsteinStephenHawkingDoyouknownanyfamousastronomersandtheirtheoryongravity?38/44P30Fastreading:Readthepassagequickly,finishthetrueorfalsequestions:Theforceofofgravitywouldchangefourtimesontheirjourney.()2.Whentheywereonthemoon,theywouldnotfeelthegravitybecausetherewasnogravityonthemoon.()3.Sincethegravityhaschanged,theirwalkdidn’tneedalotofpractice.()FFF39/443timesTheforceofgravitychange1change______________asheleft2change___________whenhewasinspace3change___________whenhewasonthemoonverystrongdisappearedverylightDetailreading:ReadPara2carefullyandunderline3sentencesthatareaboutthechangesoftheforceofthegravity.(asheleft,inspace,onthemoon)Step340/44OnthemoonThechangeofgravityInspaceVerystrongVeryheavyDisappeared

FloatedweightlesslyVe