高中英语 Unit4(Astronomy：the science of the stars)Learning about Language多媒体教学课件 新人教版必修3 课件VIP专享VIP免费

Unit4Astronomy：thescienceofthestarsLearningaboutLanguagePutthesewordsintothemoresuitableoneofthetwoboxes.Ex.3P28energeticviolentgentlepatientangrycruelterriblecalmrelaxingshockedharmfulkindfriendlyjealousfiercewordspeacefulwordsenergeticviolentangrycruelterribleshockedharmfuljealousgentlepatientcalmrelaxingkindfriendlyReviewthepassage“Howlifebeganontheearth”andtranslatethefollowingsentences.1.谁也不知道地球会有别于其他行星。2.这就是地球独有特性的初次显现。Nobodyknewthatitwasgoingtobedifferentfromotherplanets.Thisishowtheearthbegantoshowitsspecialqualities.3.许多人认为这对生命的起源特别重要。4.没有人懂得这些植物就是许多变化的开始。Manypeoplethinkthatthiswasimportantforthebeginningoflife.Nobodyunderstoodthattheseplantswerethestartsofmanychanges.GrammarWhatpartdoestheunderlinedpartserveasineachsentence?Atreehasfallenacrosstheroad.Youareastudent.Tofindyourwaycanbeaproblem.Smokingisbadforyou.“Howdoyoudo”isagreeting.Whatshesaidisnotyetknown.Thatweshallbelateiscertain.Itiscertainthatweshallbelate.Wecanfromthesesentencesseethatasentenceservesassubject,sowecallitSubjectClause.SubjectClauses主语从句1.主语从句：从句在句中充当主语成分1)Thathewillsucceediscertain.2)Whetherhewillgothereisnotknown.3)Howwecanhelpthetwinswillbediscussedatthemeeting.2．引导主语从句的连接词有三类：(1)连词that、whether：Whetherwegobytrainorbyboatmakesnodifference.Whetherhe’llcomehereisn’tclear.Thatpricewillgoupiscertain.Whatshedidisnotyetknown.Whowillwritethepoemhasnotbeendecidedyet.Whateverhedidisright.(2)连接代词who,whom,whose,what,which,whoever,whatever,whichever等。3)连接副词where,when,how,why等。Howthishappenedisnotcleartoanyone.Whenhewillbebackdependsontheweather.Howthepyramidswerebuiltisstillamystery.3.主语从句后置为了避免主语冗长,句子头重脚轻,经常用it作形式主语,主语从句放在后面作真正的主语。例:1.Thatweshallbelateiscertain.—2.Thattheearthisroundisknowntoall.—3.Thatyoumissedthechanceisapity.—Itisapitythatyoumissedthechance.It’sknowntoallthattheearthisround.It’scertainthatweshallbelate.A.It+be+形容词(obvious,true,natural,surprising,good,wonderful,funny,possible,likely,certain,probable,etc.)+that从句。如：Itiscertainthatshewilldowellinherexam.B.It+be+名词词组(nowonder,anhonour,agoodthing,apity,nosurprise,etc.)+that从句。如：It’sapitythatwecan’tgo.4.用it作形式主语的结构C.It+be+过去分词(said,reported,thought,expected,decided,announced,arranged,etc.)+that从句。如：ItissaidthatMr.GreenhasarrivedinBeijing.D.It+seems,happens等不及物动词及短语+that从句。如：IthappenedthatIwasoutthatday.E.It+doesn’tmatter(makesnodifference,etc.)+连接代词或连接副词引起的主语从句。如：Itdoesn’tmatterwhethershewillcomeornot.1.Whatyouleftareonlyseveraloldbooks.2.Whatyousaidisofgreatimportance.3.Whetherhe’llcomehereisnotclear.1.“if”不能引导主语从句，应用“whether”引导。3.主语从句的“that”一般不能省。4.“what”引导主语从句时，谓语动词：1）常与其后作表语的名词一致2）根据句子的语境而定。5.主语从句需注意的问题2.主语从句中用陈述语序。1.Whereshallwespendtheholidayisn’tdecided.2.Yourhavemadeamistakeisafact.3.Thatiscertainthatwecanwin.4.Nomatterwholeavestheroomlastoughttoturnoffthelights.5.Itisimportantthatastudentlearnsaforeignlanguage.weshallThatyouhaveItisWhoevershouldlearn改错练习【达标训练】1.___hemadeanimportantspeechatthemeetingwastrue.A.ThatB.WhyC.WhatD.How2.___we’llgocampingtomorrowdependsontheweather.A.IfB.WhetherC.ThatD.Where3.___isknowntousallisthatAmericaisadevelopedcountry____theFirstWorld.A.Which;belongtoB.As,belongedtoC.What;belongingtoD.It;belongingto单项选择ABC4.It’sknowntousall___aformofenergy.A.waterisB.thatwaterisC.iswaterD.thatwaterto5.Itworriedherabit___herhairwasturninggray.A.whetherB.thatC.whatD.when6.WhatIsayandthink___noneofyourbusiness.A.isB.areC.hasDhaveBBABCB7._____weneedmorepracticeisobvious.A.WhatB.ThatC.WhenD./8._______theycansolvethequestionisstillunknown.A.IfB.WhichC.WhetherD.What9._____hesaidatthemeetingastonishedeverybody.A.WhyB.WhatC.ThatD.WhoDB10.______isafactthatEnglishisacceptedasaninternationallanguage.A.ThereB.ThisC.ThatD.It11.______madetheschoolproudwas_______morethan90％ofthestudentshadbeenadmittedtokeyuniversities.A.What;becauseB.What;thatC.That;whatD.That;becauseBB12.______wewillgocampingtomorrowdependsontheweather.A.IfB.WhetherC.ThatD.Where13._______thattheycanpassthewrittenexamthistime.A.ThatishopedB.ItishopedC.IthopesD.ThathopesC14.Itwasdoubtful____Maryreallyheardhim.A.thatB.ifC.whetherD.whatHomework1.FinishEx.(2.4.5);Ex.onP27.28(exercisebookA).ⅡⅢ2.Finishtheexercisesonthepaper.3.Preview“Avisittothemoon”onP304.听写“planet”to“disappointed”.Lightcome,lightgo.来得容易，去得快。