unit 4 astronomy- the science of the stars(period 3　learning about language- grammar)

精品文档2016全新精品资料全新公文范文全程指导写作独家原创1/16UNIT4ASTRONOMYTHESCIENCEOFTHESTARSPERIOD3LEARNINGABOUTLANGUAGEGRAMMAR莲山课件KJCOMUNIT4ASTRONOMYTHESCIENCEOFTHESTARSPERIOD3LEARNINGABOUTLANGUAGEGRAMMAR整体设计教材分析THISISTHETHIRDTEACHINGPERIODOFTHISUNITTOTESTWHETHERSTUDENTSHAVEGRASPEDTHEIMPORTANTANDDIFFICULTLANGUAGEPOINTSTHEYLEARNEDINTHELASTPERIOD,THETEACHERSHOULDFIRSTOFFERTHEMSOMEREVISIONEXERCISESTHENLEADINTHENEWLESSONTHISTEACHINGPERIODMAINLYDEALSWITHTHEFOLLOWING1REVIEWINGNOUNCLAUSESASTHEOBJECTANDASTHEPREDICATIVE2LEARNINGTHENEWGRAMMARITEMSNOUNCLAUSESASTHESUBJECTSTUDENTSOFTENFEELNOUNCLAUSESABSTRACTANDDIFFICULTTOLEARN,SOITISNECESSARYTOMAKETHELESSONINTERESTINGANDLIVELY,ANDCONNECTITWITHTHEIRDAILYLIFEINORDERTOLETITEASYTOACCEPTANDUNDERSTANDFIRSTLY,THETEACHERCANASKSTUDENTSTOREADTHEPASSAGEHOWLIFEBEGANONTHEEARTHAGAIN,TIC精品文档2016全新精品资料全新公文范文全程指导写作独家原创2/16KOUTALLTHESENTENCESFROMTHEPASSAGEWHERENOUNCLAUSESAREUSEDASTHESUBJECT,ANDTHENTRANSLATETHEMINTOCHINESESECONDLY,COMPAREANDDISCOVERTHEUSESOFEACHNOUNCLAUSEBYGIVINGALOTOFEXAMPLESENTENCESTHIRDLY,DOTHEEXERCISESINDISCOVERINGUSEFULSTRUCTURESONPAGE29ANDMOREEXERCISESFORSTUDENTSTOMASTERTHERELATEDNOUNCLAUSESFINALLY,SUMMARIZETHEUSEOFNOUNCLAUSESASTHESUBJECTANDLETSTUDENTSMAKEITCLEARHOWEACHNOUNCLAUSEISBEINGUSEDINTHESITUATIONSATTHEENDOFTHECLASS,ASKSTUDENTSTODOTHEEXERCISESINUSINGSTRUCTURESONPAGE64ANDMOREADDITIONALEXERCISESFORCONSOLIDATION教学重点GETSTUDENTSTOUNDERSTANDANDUSENOUNCLAUSESASTHESUBJECT教学难点ENABLESTUDENTSTOLEARNHOWTOUSENOUNCLAUSESASTHESUBJECTCORRECTLY三维目标知识目标1GETSTUDENTSTOKNOWMOREABOUTNOUNCLAUSES2LETSTUDENTSLEARNNOUNCLAUSESASTHESUBJECT精品文档2016全新精品资料全新公文范文全程指导写作独家原创3/16WHATITWASTOBECOMEWASAMYSTERYITWASNOTCLEARWHETHERTHESOLIDSHAPEWASTOLASTORNOT能力目标ENABLESTUDENTSTOUSENOUNCLAUSESASTHESUBJECTCORRECTLYANDPROPERLYACCORDINGTOTHECONTEXT情感目标1GETSTUDENTSTOBECOMEINTERESTEDINGRAMMARLEARNING2DEVELOPSTUDENTSSENSEOFGROUPCOOPERATION教学过程设计方案（一）STEP1REVISION1CHECKTHEHOMEWORKEXERCISES2DICTATESOMENEWWORDSANDEXPRESSIONS3TRANSLATETHEFOLLOWINGSENTENCES1你早晚会来的。2我的车与你的不一样。3他总是第一个来,最后一个走。4他来不来还不清楚。5我们的成败取决于是否每个人都努力工作。6我们必须采取措施防止这种疾病的蔓延。SUGGESTEDANSWERS1YOUWILLCOMEHEREINTIME精品文档2016全新精品资料全新公文范文全程指导写作独家原创4/162MYCARISDIFFERENTFROMYOURS3HEISALWAYSTHEFIRSTTOCOMEANDTHELASTTOGO4ITISNOTCLEARWHETHERHECOMESORNOT5OURSUCCESSDEPENDSONWHETHEREVERYONEWORKSHARDORNOT6WEMUSTTAKEACTIONSTOPREVENTTHISDISEASEFROMSPREADINGSTEP2PREPARATIONSHOWSOMESENTENCESONTHESCREENASKSTUDENTSTOREADEACHOFTHEMANDTHENFINDOUTITSSUBJECTATREEHASFALLENACROSSTHEROADYOUAREASTUDENTTOFINDYOURWAYCANBEAPROBLEMSMOKINGISBADFORYOU“HOWDOYOUDO”ISAGREETINGWHATSHESAIDISNOTYETKNOWNTHATWESHALLBELATEISCERTAINITSCERTAINTHATWESHALLBELATESTEP3GRAMMARLEARNING1READINGANDDISCOVERINGASKSTUDENTSTOTURNBACKTOPAGE25TOREADTHROUGHTHEREADINGPASSAGEANDFINDALLTHESENTENCESWHERENOUNCLAUSESAREUSEDASTHESUBJECTANDUNDERLINETHEMTHENTRANSLATETHEMINT精品文档2016全新精品资料全新公文范文全程指导写作独家原创5/16OCHINESESUGGESTEDANSWERS1WHATITWASTOBECOMEWASUNCERTAINUNTILBETWEEN45AND38BILLIONYEARSAGOWHENTHEDUSTSETTLEDINTOASOLIDGLOBE地球会变成什么（样子）,直到45亿至38亿年前这个云团变成一个固体的球状物,才确定下来。2THEEARTHBECAMESOVIOLENTTHATITWASNOTCLEARWHETHERTHESHAPEWOULDLASTORNOT地球变得激烈动荡,不知道这个固体形状是否会继续存在下去。3WHATISEVENMOREIMPORTANTISTHATASTHEEARTHCOOLEDDOWN,WATERBEGANTOAPPEARONITSSURFACE更重要的是,随着地球的冷却,地球的表面就开始出现了水。4ITWASNOTIMMEDIATELYOBVIOUSTHATWATERWASTOBEFUNDAMENTALTOTHEDEVELOPMENTOFLIFE水对于生命的发展会起关键作用,这一点在当时并不明显。5WHATMANYSCIENTISTSBELIEVEISTHATTHECONTINUEDPRESENCEOFWATERALLOWEDTHEEARTHTODISSOLVEHARMFULGASESANDACIDSINTOTHEOCEANSANDSEAS很多科学家相信,由于地球上长期有水存在,使地球得以把有害气体和酸性物质溶解在海洋里。精品文档2016全新精品资料全新公文范文全程指导写作独家原创6/166WHYTHEYSUDDENLYDISAPPEAREDSTILLREMAINSAMYSTERY为什么他们突然消失了,至今还是个谜。7SOWHETHERLIFEWILLCONTINUEONTHEEARTHFORMILLIONSOFYEARSTOCOMEWILLDEPENDONWHETHERTHISPROBLEMCANBESOLVED所以,在未来的数百万年中,生命能否在地球上延续取决于这个问题能否得到解决。2THINKINGANDDISCUSSINGLETSTUDENTSREADALOUDTHESENTENCESTHEYPICKEDOUT,THINKOVERANDDISCUSSWITHAPARTNERHOWEACHOFTHESENOUNCLAUSESISBEINGUSEDINTHESITUATIONSIFSTUDENTSHAVESOMEDIFFICULTY,GIVETHEMAHAND3SUMMINGUPNOUNCLAUSESASTHESUBJECT主语从句作主语用的名词性从句,因其在复合句中作主语,又称主语从句。（1）连接词1从属连词THAT,WHETHER等。THAT引导主语从句只起引导作用,本身无实际意义,在主语从句中不充当任何成分,但不能省略。THATSHELEFTHIMCUTHIMTOTHEHEART她的离开使他很伤心。精品文档2016全新精品资料全新公文范文全程指导写作独家原创7/16由WHETHER引导的主语从句放在句首、句末都可。WHETHERITWILLPLEASETHEMISNOTEASYTOSAY/ITISNOTEASYTOSAYWHETHERITWILLPLEASETHEM很难说这会不会使他们高兴。2连接代词WHO,WHAT,WHICH,WHOEVER,WHATEVER,WHICHEVER等。WHATSEEMSEASYTOSOMEPEOPLESEEMSDIFFICULTTOOTHERS对某些人看来很容易的事,对另外一些人可能很困难。3连接副词WHEN,WHERE,HOW,WHY等。WHYHEDIDITREMAINSAMYSTERY他为什么做那件事依然是个谜。（2）位置主语从句可以前置,也可以后置。用IT作形式主语,而把主语从句放在句末,常用下面几种句型1ITBE表语主语从句ITISSTILLUNCERTAINWHETHERHEISCOMINGORNOT他是不是来还没有确定。2IT不及物动词主语从句ITHAPPENSTHATTHEYWEREABSENT他们碰巧缺席了。3IT及物动词（被动语态）主语从句ITHASBEENDECIDEDTHATTHEEXHIBITIONWILLNOTOPENONSUNDA精品文档2016全新精品资料全新公文范文全程指导写作独家原创8/16YS现经决定展览会星期日不开放。注意1主语从句在句首时,必须由连接词引导,不能省略这些连接词但是如果用IT作形式主语,而把主语从句放在句末时,从属连词THAT可以省略。他们相互喜爱是很自然的。误THEYSHOULDLIKEEACHOTHERISNATURAL正THATTHEYSHOULDLIKEEACHOTHERISNATURAL正ITISNATURALTHATTHEYSHOULDLIKEEACHOTHER2如果主语从句放在句首,不能用IF引导但是如果用IT作形式主语,而把主语从句放在句末时,也可以用IF引导。玛丽是不是真听见他了,很值得怀疑。误IFMARYREALLYHEARDHIMISREALLYDOUBTFUL正WHETHERMARYREALLYHEARDHIMISREALLYDOUBTFUL正ITWASDOUBTFULWHETHER/IFMARYREALLYHEARDHIMSTEP4GRAMMARPRACTICE1TURNTOPAGE29ASKSTUDENTSTODOEXERCISE2ANDEXERCISE3INDISCOVERINGUSEFULSTRUCTURESFIRSTLETTHEMFINISHTHEMINDIVIDUALLYTHENCHECKTHEANSWERSWITHTHEWHOLECLASSGIVESOMEEXPLANATIONSIFNECESSARY2TURNTOPAGE64ASKSTUDENTSTODOEXERCISE1ANDEXERCISE2C精品文档2016全新精品资料全新公文范文全程指导写作独家原创9/16HECKTHEANSWERSAFTERMOSTOFTHEMFINISHSTEP5DISCUSSIONLETSTUDENTSHAVEADISCUSSIONINGROUPSTHETOPICIS“MYPROBLEM”ONETALKSABOUTTHEPROBLEMSINHISSTUDYORLIFETHEOTHERSSHOULDGIVESOMEADVICEORSUGGESTIONSREMINDSTUDENTSTOUSETHEFOLLOWINGSTRUCTURESSHOWTHEFOLLOWINGONTHESCREENTOHELPSTUDENTSTHEFACTIS/ITISAFACTTHATTHEDIFFICULTYIS/WHATIFINDDIFFICULTISTHETROUBLEIS/WHATWORRIESMEISMYSUGGESTIONIS/WHATIWOULDSUGGESTISMYADVICEIS/WHATIWOULDADVISEISITHINKTHAT/WHATITHINKISIWANTTOTELLYOUTHAT/WHATIWANTTOSAYISSTEP6CLOSINGDOWNBYAQUIZSHOWTHEFOLLOWINGEXERCISESONTHESCREENLETSTUDENTSFINISHTHEMWITHINTHREEMINUTESTHREEMINUTESLATER,CHECKTHEANSWERSWITHTHEWHOLECLASS1IHAVEALWAYSBEENHONESTANDSTRAIGHTFORWARD,ANDITDOESNTMATTER_THATIMTALKINGTOAWHOISITBWHOITISCITISWHODITISWHOM2ITISPRETTYWELLUNDERSTOOD_CONTROLSTHE精品文档2016全新精品资料全新公文范文全程指导写作独家原创10/16FLOWOFCARBONDIOXIDEINANDOUTTHEATMOSPHERETODAYATHATBWHENCWHATDHOW3_MADETHESCHOOLPROUDWAS_MORETHAN90OFSTUDENTSHADBEENADMITTEDTOKEYUNIVERSITIESAWHATBECAUSEBWHATTHATCTHATWHATDTHATBECAUSE4_TEAMWINSONSATURDAYWILLGOTHROUGHTOTHENATIONALCHAMPIONSHIPANOMATTERWHATBNOMATTERWHICHCWHATEVERDWHICHEVER5_ISOURBELIEFTHATIMPROVEMENTSINHEALTHCAREWILLLEADTOASTRONGER,MOREPROSPEROUSECONOMYAASBTHAT精品文档2016全新精品资料全新公文范文全程指导写作独家原创11/16CTHISDIT6_ICANTUNDERSTANDIS_HECHANGEDHISMINDATHATTHATBWHATWHYCWHICHHOWDTHATWHYSUGGESTEDANSWERSBCBDDBSTEP7HOMEWORK1FINISHOFFTHEWORKBOOKEXERCISES2PREVIEWTHEREADINGPASSAGEAVISITTOTHEMOONONPAGE30,FINDTHESENTENCESINWHICHNOUNCLAUSESAREUSED,ANDSEEIFYOUCANUNDERSTANDTHEM设计方案（二）STEP1REVISION1CHECKTHEHOMEWORKEXERCISES2TRANSLATETHEFOLLOWINGINTOENGLISH1太阳系2及时终于3下蛋4产生分娩精品文档2016全新精品资料全新公文范文全程指导写作独家原创12/165轮到某人接着6总有一天我会遇见他。7都市生活与乡村生活是非常不同的。8他们不应该允许在这条街上停车,街道太窄了。9他的心脏病痛没能阻止他第二天去上课。10在未来的数百万年中,生命能否在地球上延续取决于这个问题能否得到解决。SUGGESTEDANSWERS1SOLARSYSTEM2INTIME3LAYEGGS4GIVEBIRTHTO5INONESTURN6ILLSEEHIMINTIME7CITYLIFEISQUITEDIFFERENTFROMCOUNTRYLIFE8THEYSHOULDNTALLOWPARKINGINTHISSTREETITSTOONARROW9HISHEARTTROUBLEDIDNOTPREVENTHIMFROMGOINGTOCLASSTHENEXTDAY10WHETHERLIFEWILLCONTINUEONTHEEARTHFORMILLIONSOFYEARSTOCOMEWILLDEPENDONWHETHERTHISPROBLEMCANBESOLVEDSTEP2WARMINGUPBYAGAME精品文档2016全新精品资料全新公文范文全程指导写作独家原创13/16LETSTUDENTSWORKINPAIRSONETALKSABOUTTHEPROBLEMSINHISSTUDYORLIFETHEOTHERSHOULDGIVESOMEADVICEORSUGGESTIONSENCOURAGETHEMTOUSEWHATCLAUSESASTHESUBJECTEXAMPLES1WHATIFINDDIFFICULTIS/WHATWORRIESMEISS2WHATIWOULDSUGGESTIS/WHATIWOULDADVISEISSTEP3DISCOVERINGUSEFULSTRUCTURESASKSTUDENTSTOFINDOUTTHESENTENCESCONTAININGNOUNCLAUSESASTHESUBJECTINTHEREADINGPASSAGEANDUNDERLINETHEMTHENTRANSLATETHEMINTOCHINESESTEP4LEARNINGTHEUSEOFNOUNCLAUSESASTHESUBJECT1ASKSTUDENTSTOTURNTOPAGE92ANDLEARNPART3THESUBJECTCLAUSEBYTHEMSELVES2ENCOURAGETHEMTOASKASMANYQUESTIONSASPOSSIBLEGIVETHEMEXPLANATIONSIFNECESSARY3LETTHEMDOSOMEADDITIONALEXERCISES4SUMUPSTEP5PRACTICEASKSTUDENTSTOFINISHTHEFOLLOWINGEXERCISESWITHIN10MINUTESTHENCHECKTHEANSWERSWITHTHEWHOLECLASS1EXERCISES2AND3INDISCOVERINGUSEFULSTRUCTURESONPAGE13精品文档2016全新精品资料全新公文范文全程指导写作独家原创14/162EXERCISE1INUSINGSTRUCTURESONPAGE64STEP6CONSOLIDATIONLETSTUDENTSWORKINPAIRSTOMAKESENTENCESWITHNOUNCLAUSESASTHESUBJECTTOFILLINTHEBLANKS1WHAT_ISASTRONOMY2WHEN_HASNTBEENDECODEDYET3WHETHER_DEPENDSONYOURBEHAVIOR4HOW_ISAPERSONALDECISION5WHY_APUZZLETOUS6ITSFUNNYTHAT_7ITWORRIESUSTHAT_8ITAPPEARSTHAT_STEP7HOMEWORK1FINISHOFFTHEWORKBOOKEXERCISES2MAKEUSEOFDIFFERENTLEARNINGRESOURCESTO