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1、广东省惠州市惠东县惠东荣超中学高中英语Unit4languagepoints学案新人教版必修3Learningaims:1.Tolearnthenewusefulwords,expressions&importantsentencepatterns.2.Tolearnhowtousetheimportantnewwords,expressions&importantsentencepatterns.Learningimportantpoints:Tograspandusetheimportantneww
2、ords&expressions使用说明及学法指导:1.Discussing,summarizingandpracticing2Cooperativelearning课前预习案PreviewingCaseTask1Retelling故事复述(P27Ex.5)Task2背诵句型1. Itexplodedloudlywithfireandrock,whichwereintimetoproducethewatervapour,carbondioxide,oxygen,nitrogenandothergases
3、,whichweretomaketheearth’satmosphere.它(地球)巨大的爆炸喷出了烈火与岩石,最终产生了水蒸气、二氧化碳、氧、氮和其他多种气体,从而形成了地球的大气层。2. ItwasquitedifferentfromwhatIexpected.它和我原来想的很不一样。3.ThismadeitpossibleforustolearnEnglishbetter.这使得我们有可能把英语学得更好。4.Scientistbelievethattakingcarbondioxidefromth
4、eatmosphereandfillingtheairwithoxygenhelpedlifetodevelop.科学家认为,从大气中吸取二氧化碳,并向空气中释放氧气,有助于生命的发展。5.Hehasexperienceaswellasknowledge.他既有学识又有经验。6.Theyareputtingtoomuchcarbondioxideintotheatmosphere,whichpreventsheatfromescapingfromtheearthintospace.他们把太多的二氧化碳释
5、放到大气层中,这使得热量不能从地球上散发到太空中。7.Whetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.生命是否会在地球上延续几百万年要取决于这个问题能否得到解决。课堂探究案ExploringCase1.Nooneknowsexactlyhowtheearthbegan,asithappenedsolongago.仿写:没人明白他在说什么,因为那太难理解了。
6、2.However,accordingtoawidelyacceptedtheory,theuniversebeganwitha“BigBang”thatthrewmatterinalldirections.tobeginwith=tostartwithe.g.Tobegin/startwith,Icouldn’tlikehimatall.3.Whatitwastobecomewasuncertainuntil…1).Not…until…直到…才…他昨天直到七点才离开学校.2)Whatitwastobe
7、come是what引导的主语从句,what在从句中作become的宾语。仿写:使大家惊奇的是他竟没有参加会议。hedidn’tcometothemeeting.4.Theywereintimetoproducethewater...1)intime:e.g.I’llseehimintime.Shewillbebackintimetopreparedinner.与time相关的短语:\\2)(sth)beto(do):e.g.Theysaidgoodbye,littleknowingthatthey
8、werenevertomeetagain.Sheistobehonouredforthisgreatwork.Mr.Clarksaidtohisdaughter,“Youaretobehomeby10o’clockatthelatest.”5.…astheearthcooleddown,waterbegantoappearonitssurface.随着地球的冷却,地球的表面就开始出现了水。1)cooldown变凉,冷却,平息,冷静晒了一天的