Unit4Astronomythescienceofthestars写作课学案- 高中英语人教版必修三

PAGEPAGE5课题：Book3Unit4Astronomy:thescienceofthestars课型：ReadingandWriting编号：No.6【学习目标】阅读理解本单元第二篇文章,掌握重点短语和句式。根据要求尝试写作【使用说明】1.15分钟自主快速阅读，完成学习任务；2.15分钟组内讨论探究，列出写作提纲；3.15分钟完成写作练习；【自主学习】Task1Listentothepassageandsummarizemainideaofit.mainidea:_____________________________________________________________________________________________________________________Task2FastReadingReadthetextfast,thenjudgethefollowingsentences1theforceofgravitychangedthreetimesandthelastchangewasthemostpowerful.()2.weweretoofarfromtheearthtofeelitspull.()3.onthemoon,ourweightwouldbelessthanontheearthbecauseweweretoofarfromit.()4.leavingthemoon’sgravitywasaspainfulasleavingtheearth’s.()5.spacetravelwasveryexhausting,sothewriterdidn’tlikeitatall.()Task3summaryaboutthepassage.Lastmonth,LiYanpingandImadeatriptothemoonina__________.Litoldmethatthe________forcewouldchangethreetimes.First,whenweescapedthe______oftheearth’sgravity,wewere_______backintoourseats.Closertothemoon,therewaslessgravity.I_______________immediatelyand________weightlesslyaroundinourspaceshipcabin.Onthemoon,my_________waslessthanontheearth.Walkingdidneedabitofpractice_____________gravityhadchanged.AfterawhileI______________________itandwebegantoenjoyourselves.Butreturningtotheearthwasveryfrightening.Wewatched,amazedasfire_____________ontheoutsideofthespaceship.Task4:合作探究1.Whatisthewritingform?A.storyB.traveljournalC.essayD.biography2.Whatisthewritingorderofthetext?___________________________________________________________________Task5识记短语：1)haveachancetodo_________________2)makeatrip___________________3)explaintosb______________________4)beoff_______________________5)push…backinto__________________6)fallbackto___________________7)befarfrom______________________8)as…as…_____________________9)cheerup________________________10)comeon_____________________11)stepforward___________________12)fallover_____________________13)nowthat_____________________14)getthehangof________________15)enjoyoneself_________________16)breakout_____________________Task6:Importantpoints:1.astherocketroseintotheair,wewerepushedbackintoourseatsbecauseweweretryingtoescapethepulloftheearth’sgravity.1)句法分析：as译为___________.此处用来引导___________________,本句中的另一个从句为____________引导的__________从句2)pulln/v___________________Themoon’spullontheearth’soceanscreatesthetides.HelpmemovethepianoyoupushandIwillpull.短语拓展：Pulldown___________pullin______________pullon______________2....“walkingdoesneedabitofpracticenowthatgravityhaschanged.”既然引力改变了，走路也的确需要练一练了。nowthat意为____________，引导原因状语从句。强调人们已知的事实。相当于_______________.例句体验：1).Nowthatyouarebusy,letmedoitforyou.2).Nowthateveryoneishere,let’sstartwork．练一练：既然你已经准备好了，我们现在可以走了_____________________________________________________________________既然下雨了，我们就在这儿休息一下吧。____________________________________________________________________3.ButwhenItriedtostepforwardIfoundIwascarriedtwiceasfarasontheearthandfellover.观察例句总结倍数表达法：Thistreeisthreetimesastallasthatone.TheYangtzeRiverisalmosttwicelongerthanthePearlRiver.Thenewlybroadenedsquareisfourtimesthesizeofthepreviousone.1)__________________________________________________________________2)___________________________________________________________________3)___________________________________________________________________试试吧：这个房间是那个房间的两倍大。_______________________________________________________________________________________________________________________________________________________________________________________________________________Task6Writing很多人都期望一次月球之旅。假设你刚刚结束你的月球之旅，现在请你写一篇短文向大家介绍一下去月球旅行可能会遇到的问题并就如何克服这些问题给出相应的建议。句式预演：1.很多人都期望能有机会去月球旅行。____________________________________________________________________2众所周知，月球不同于地球。因此大家在去月球旅行时会遇到一些问题。__________________________________________________________________________________________________________________________________________3为了让大家的月球之旅过得开心，我给大家提出如下建议。_____________________________________________________________________4首先你需要带上足够的氧气，因为月球上没有空气。_____________________________________________________________________5.其次，月球的引力比地球引力小得多。你最好学习一下如何在失重状态下走路。__________________________________________________________________________________________________________________________________________6.除此之外，在月球上，食物会四处飘浮，因此带上特制的食物是必要的。_____________________________________________________________________