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Unit4Astronomy:Unit4Astronomy:thescienceofthestarsthescienceofthestarsAWarmingup1.Whatisastronomy?2.Whatdoyouknowaboutit?Step1TheSolarsystem水星地球金星火星木星土星海王星天王星冥王星Step21.Doyouwanttovisittheseplanets?2.Ifyoudo,whichonewouldyouliketogomost?Why?Discussthetwoquestionswithyourpartnerandtrytomakeadialogue.(pairwork)A:Whichplanetwouldyouliketogomost?B:I’dliketovisit…mostbecause…Whataboutyou?A:Iwanttotravelto…verymuch,thereasonisthat…/Idreamaboutflyingto…Usefulstructuresforyourdialogue:(1)Whowasthefirstpersonlandingonthemoon?A.ArmstrongB.YangliweiC.TomCruiseD.IssacNewtonMultiplechoice(2)Whichcountryishefrom?A.ChinaB.RussiaC.theU.S.AD.England(3)Whendidhelandonthemoon?A.1921B.1969C.2003D.2010(4)Whatwasthenameofhisspaceship?A.Apollo11B.Changzheng3C.Shenzhou7Step1APrereading“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。”Trueorfalsequestions:FFTTStep21.Ittakesthemoononedaytomovearoundtheearth.2.Thereisatmosphereonthemoon.3.Thereisnolifeonthemoon.4.Themoonisthenaturalsatelliteoftheearth.5.Themoonemitslightitself.FStep1Readthepassagequicklyandtrytofindthetopicsentenceofeachparagraph.AWhilereadingWevisitedthespaceinourspaceshipPara.2Beforeweleft,LiYanpingexplainedtome……themostpowerful.Para.1Butreturningtotheearthwasveryfrightening.Para.4Whenwegotthere,Iwantedtoexploreimmediately.Para.31.Theforceofgravitywouldchangefourtimesontheirjourney.()2.Whentheywereonthemoon,theywouldnotfeelthegravitybecausetherewasnogravityonthemoon.()3.Sincethegravityhaschanged,theirwalkdidn’tneedalotofpractice.()4.“Avisittothemoon”wasnotarealstorybutsciencefiction.()5.Theirreturningtotheearthwasfrightening.()FFFTTStep2Readparagraph2carefullyandtrytofindoutthethreewaysthatthegravitychangedduringtheirjourneytothemoon.(Underlinethekeywords)3timesTheforceofgravitychange1change______________astherocketroseintotheair2change___________________whenhewasinspace3change_______________________whenhewasonthemoonItwassohardasifnogravityatallnotasstrongastheearth’sAPostreadingStep1Readthepassageagainandtrytoretellthestoryusingthefollowingpattern:Beforetheyleft,…Astheylefttheearth,…whenhewasinspace,…whenhewasonthemoon,…Thereturning,…Summary:listentothetapeandfillintheblanks.LastmonthIvisitedthemoonwithmyfriend.Beforeweleft,Iwastoldtheforceofg_____wouldchangethreetimesonourjourney.Thenwetookoff.Aswelefttheearth,Ibecameveryh_______.graduallytheweightl_______.whenIwasinspace,itd__________.wef_______weightlesslyinthecabinandIc________.whenIwasonthemoon,Iwassurprisedtofindoutevenwalkingneedslotsofpracticen______gravitychanged.Thereturningoftheearthwasveryf_________.wewereamazedtowatchfireb________ontheoutsideoftheship.ravityeavyessenedisappearedloatedheeredupowthatrighteningreakoutStep21.Afterreadingthestory,doyouwanttovisitthemoon?Ifyouweregoingtothemoon,whatthingswouldyouneed?Why?(Discussingroupsoffour)thingsneededonthemoonoxygentanksspacefoodspacesuitwaterStep3spaceshipqualitiesofanastronautgoodhealthrightheightandweightmanyyears’trainingcalmnessStep3patience2.Ifyouweregoingtothemoon,whatqualitiesshouldyouhave?(Discussingroupsoffour)3.Haveyouseenanyfilmsaboutspacetravelling?Whatproblemsmaypeoplemeetwhentheyareinspace?Thespaceshipmaybreakdown.TheymaycomeacrosstravelersfromouterspaceTheymaybecaughtbyablackhole.ProblemsinspaceOntheirwayofreturningtotheearth,theauthorandLiYanpingwascaughtbyablackhole,whatdoyouthinkwouldhappentothem?ThevideoaboutblackholesHomeworkReadthepassageCaughtbyablackholeonpage66andfinishtheexercise.RightengineLeftengineGravitybootsWalkinginspace