UNIT4Avisittothemoon Doyouwanttogotothemoon Imaginewhatyouwillfeelwhenyouareinspace Thepulloftheearth sgravitywilldisappearwhenyouareinspace Youwillbeweightless Thegravityofthemoonisverylight Youwillweighlessthanontheearth Thegravityonthemoonis1 6asstrongasitisonearth Thismeansthatsomeonewhoweighs150lbs 磅 onEarthwouldweighonly25lbsonthemoon Youmightthinkthatthiswouldmakewalkingmucheasier butitisactuallyquitedifficultLaterintheApollo 阿波罗 Moonlanding mission astronautsdiscoveredthatitwaseasiertohop 跳 thanitwastowalk Spacewalk 2 Ittakesthemoononedaytomovearoundtheearth 3 Theearthistheonlyplanetmovingaroundthesun TrueorFalse Theearthmovesaroundthesun T F F F 4 Thereisatmosphereonthemoon 1 wasthefirstpersonlandingonthemoon A ArmstrongB YangliweiC TomCruiseD IssacNewton 2 Whendidhelandonthemoon A 1921B 1969C 1954D 1949 3 WhendidYangLiweigotothespace A Oct 2003B Jan 2003C Oct 2004D Jan 2002 A B A thefirstmaninspace YuriGagarin Thefirstmanonthemoon NeilArmstrong Russia1961 U S A 1969 Doyouknowwhotheyare ReadingAvisittothemoon Chinaisplanningtolandonthemooninthenearfuture Fastreading TrueorFalse Theforceofofgravitywouldchangefourtimesontheirjourney 2 Whentheywereonthemoon theywouldnotfeelthegravitybecausetherewasnogravityonthemoon 3 Sincethegravityhaschanged theirwalkdidn tneedalotofpractice F F F Detailedreading ReadPara2carefullyandunderline3sentencesthatshowthechangesofthegravity asheleftinspaceonthemoon Itbecameverylight Thegravitybecameverystrong Thegravitydisappeared ThethreewaysinwhichgravitychangedforLiYanpingandhowhisweightchanged 1 Thepullofgravitybecameverystrongshelefttheearth satmosphere Hisweightisnormal 2 Itdisappearedwhenhewasinspace Heisweightless 3 Itwasverylightwhenhewasonthemoon Heweighslessthanonearth Wastheirreturningpainful Whathappenedtothespaceship Yes Firebrokeoutontheoutsideofthespaceship Q A LastmonthIvisitedthemoonwithmyfriend Beforeweleft Iwastoldtheforceof wouldchangethreetimesonourjourney Thenwetookoff Graduallytheweight WhenIwasinspace it We weightlesslyinthecabinandI WhenIwasonthemoon Iwassurprisedtofindoutevenwalkingneedslotsofpractice gravitychanged Thereturningoftheearthwasvery Wewereamazedtowatchfire ontheoutsideoftheship gravity lessened disappeared floated cheeredup nowthat frightening breakout Summary Ifyouvisitthemoonwhatproblemswillyoumeetwith Tosolvetheseproblems whatthingswillyoutake Pleasetakedownsomenoteswhilediscussing afterdiscussion pleasereportit Example IfIvisitedthemoon Imighthave problems Thefirstoneis Because Tosolvethisproblem Iwouldtake withme Thesecondoneis Discussion Howtocoolyou Youmighthave4mainproblems Howtobreathe problems Whattoeat Whattowear spacesuit oxygentanks spacefood thingsneededonthemoon Ifyoufollowthisadvice Ithinkyouwillhaveagoodtimeonthemoon water HomeworkWriteapassageexplainingthreeproblemsyoumightmeetonthemoonandhowyouwillsolveit 2 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 他们的心里都充满了希望 Everydayasthey theirheartsfilledwithhope watchedthesunsetting watchedtheplantgrow 1 A be 倍数 as 形容词原级 as B Thistreeisthreetimesastallasthatone Hisfatheristwiceasoldashe 2 A be 倍数 形容词比较级 than B 3 twiceasfaras TheYangtzeRiverisalmosttwicelongerthanthePearlRiver 长江差不多比珠江长两倍 Thenumberofstudentsinourschoolisthreetimeslargerthanthatintheirs 我们学校学生数量是他们学校的三倍 3 A be 倍数 the 名词 size length amount of B Thenewlybroadenedsquareisfourtimesthesizeofthepreviousone 新扩建的广场是未扩建时的四倍大 Doyouregret pay 100dollarsforthepainting No Iwouldgladlyhavepaid 两倍那么多了 forit paying twiceasmuch 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 4 nowthat既然 现在 当时 nowthat同since相似 语气较弱 强调人们已知的事实 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 1 A be 倍数 as 形容词原级 as BThistreeisthreetimesastallasthatone 这棵树是那棵树的三倍高 比 高两倍 Hisfatheristwiceasoldashe 他父亲是他年龄的两倍 大一倍 4 ButwhenItriedtostepforward IfoundIwascarriedtwiceasfarasontheearthandfellover 2 A be 倍数 形容词比较级 than BTheYangtzeRiverisalmosttwicelongerthanthePearlRiver 长江几乎比珠江长两倍 Thenumberofthestudentsinourschoolisthreetimeslargerthanthatintheirs 我们学校的学生数量比他们学校的多三倍 3 A be 倍数 the 名词 size length amount of BThenewlybroadenedsquareisfourtimesthesizeofthepreviousone 新扩建的广场是未扩建时的四倍大 Doyouregret pay 100dollarsforthepainting No Iwouldgladlyhavepaid 两倍那么多了 forit paying twiceasmuch Howdoestheforceofgravitychangeifyouvisitthemoon gravity forcethatattractsobjectsinspacetowardseachother 万有引力 重力 地心引力 Whatistheearth snaturalsatellite Themoon 自然卫星 thenaturalforcethatcausesanobjecttomovetowardthecentreoftheearth Gravity Part1 TrueorFalse Theearthmovesaroundthesun T F F F T 2 Ittakesthemoononedaytomovearoundtheearth 3 Earthistheonlyplanetmovingaroundthesun 4 Thereisatmosphereonthemoon 5 Plutoisthesmallestplanetinsolarsystem Part2 Multiplechoice 1 isthenearestplanetfromthesun A VenusBMarsC MercuryD Uranus C 2 isthebiggestplanetinthesolarsystem A MarsB PlutoC EarthD Jupiter D 3 wasthefirstpersonlandingonthemoon A ArmstrongB Yangl