Unit 5 Humans and Nature Lesson 1 教案 高中英语北师大版（2019）必修第二册

Unit5HumansandNatureLesson1ASeaStory教学设计科目：英语课题：Lesson1ASeaStory课时：1课时教学目标与核心素养：知识目标：Studentscanlearnsomenewwordsandexpressionsandrelativeclauses.能力目标：Studentscanhaveafurtherunderstandingofthepassage.情感目标：Studentscanthinkindividuallyandlearncooperatively.教学重难点教学重点：Howtolearnthenewwordsandexpressionsandrelativeclauses.教学难点：Howtomakestudentshaveabetterunderstandingofthepassage.课前准备：多媒体，黑板，粉笔教学过程：一、Pre-reading1.Greeting2.Leading-inACTIVATEANDSHARE教师活动：(1)教师活动：教师提问Doyouknowanystoriesaboutpeopleandthesea?Lookatthepicturesbelow.Usethewordsandphrasesbelowtodescribethepictures.afishermanafishingboatawhirlpoolwavestoescapetosurviveastormtofloatwildExampleAfishermanistryingtosurviveastorm.While-readingREADANDEXPLORE1.学生活动：回答问题。Youaregoingtoreadatextadaptedfromtheshortstory"ADescentintotheMaelström".Readthefactfileontheright.Answerthequestions.1.Whatisa"Moskoe-strom"?(ItisasystemoftidalwhirlpoolsintheNorwegianSea.)2.Whowrotethestory?(EdgarAllanPoewrotethestory.)3.Whatdoyouthinkwillhappeninthestory?2.学生活动：阅读文章，讨论问题。Readthetext.Discussthequestions.1.Whoarethemaincharactersinthestory?(Themaincharactersarethefishermanandhisbrothers.)2.Whoistellingthestory?(Thefishermanistellingthestory.)3.Whenandwheredidthestoryhappen?(Thisstoryhappenedaboutthreeyearsagointhesea.)4.Whateffectdidtheterribleexperiencehaveonthestoryteller?(Itbrokehisbodyandsoul./Ittooklessthanasingledaytochangehishairfromblacktowhite.)3.学生活动：阅读文章，完成练习。Readthestoryagain.Completetheinformationintheboxes.Thenaddthestoryteller'sfeelingsduringeachsituation.Whenwewerecomingbackfromtheislands,thesky________________.Thenahugewave________________andmyyoungerbrother_________________.Myelderbrother________________"Moskoe-strom!"Thestoryteller'sfeelings:_________________Thewindandthewavescarriedus_________________.Then,wewere_________________it.Suddenly,we_________________.Thestoryteller'sfeelings:_________________Theboatwasontheinsideof________________andweweregoinground_________________.AfterImadethreeimportantobservations,Itiedmyselfto_________________.Itriedtomakemybrother_________________,buthewas_________________.Thestoryteller'sfeelings:_________________Soonafterwards,thewhirlpool_________________.Thewavessooncarriedmeawayandfinallyaboat_________________.Thestoryteller'sfeelings:_________________(Suggestedanswers:wascoveredwithdarkclouds;coveredourboat;fellintothesea;criedoutThestorytellerwasfrightened.towardsthedirectionofthewhirlpool;ontheedgeof;wentovertheedgeThestorytellerwashopeless.thehugewhirlpool;incirclesatgreatspeed;abarreltohelpmefloat;understand;toofrightenedtogetitThestorytellerwascalm.becamelesswild;pickedmeupThestorytellerwastired.)三、After-reading1.学生活动：GroupWork.Thinkandshare.1.Whatwerethethreeobservationsthestorytellermade?(Thethreeobservationswere:thelargeobjectsfellintothewhirlpoolquicker,andtheroundobjectsandtube-shapedobjectsdidnotgointothewhirlpoolasquickly.)2.Whydidthestorytellersurvivewhilehiselderbrotherdidn't?(Thefishermansurvivedbecausehewascalminthewhirlpoolandmadeclearobservations.Basedontheobservation,hesavedhimselfbytyinghimselftoabarreltohelphimfloatandjumpedintothesea.)3.Whatdoesthestorytellermeanby"ittookonlysixhourstobreakmybodyandsoul"?(TheMoskoe-stromlastedsixhours.Thisbrokehisbodyasthestormbatteredhimabout.Itbrokehissoulashelosttwobrothersinthattime.Theterrorofthemaelströmhashadaverynegativeeffectonhismindandbody,whichhedoesn'tthinktheywilleverrecoverfrom.)4.Whatlessonshaveyoulearntfromthestory?Giveyourreasons.(Fromthisstory,welearnthatstayingcalmisveryimportantevenwhenweareinanextremelydangeroussituation.Atthesametime,weshouldobservewhatishappeningandtrytofindoutwaystoescapefromthedanger.)5.Whatisthestorytryingtosayabouttherelationshipbetweenhumansandnature?(Thestoryshowsthefollowingrelationshipsbetweenhumansandnature:·Humansdependonnature.·Humanpowerissosmallcomparedwithnature.·Humansmaybedestroyedbynatureundercertaincircumstances.)2.学生活动：PairWorkInEnglishyougetwordswithsimilarmeanings(synonyms)orwordswithoppositemeanings(antonyms).Findmorepairsofsynonymsandantonymsinthestory.Discusswhysuchwordsareused.Synonyms:terrible–horribleAntonyms:black–white(Suggestedanswers:Synonyms:terrible–horrible;amazing–wonderful;criedout–shouted;frightened–scaredAntonyms:black–white;less–more;dark–light;single–double;edge–centre;calm–wild;top–bottom;old–young)3.学生活动：完成练习。Completethesummarywiththeinformationfromthestory.ThestorytellerexperiencedaMoskoe-stromwhichbrokehis1________________.Oneday,hewasoutfishingwithhistwobrotherswhentheskysuddenlycloudedoverandtheywerein________________.Ahuge3________________coveredtheboatandhisyoungerbrother4________________thesea.Theboatwentovertheedgeintothe5________________andtheywentroundincircles.Thestorytellerfelttherewasnoescapebutobservedthatroundand6________________shapedobjectsof7________________felldownmoreslowly.Sohe8________________tohelphimselffloat.Hetriedtomakehiselderbrotherunderstand,buthewastoo9________________.Finally,thestoryteller10________________thestorm.(Answers:1.bodyandsoul2.aterriblestorm3.wave4.fellinto5.whirlpool6.tube-shaped7.equalextent8.tiedhimselftoabarrel9.terrifiedandstayedintheheavyboat10.survived)四、FOCUSONLANGUAGE:RELATIVECLAUSES(2)1.学生活动：PairWorkReadthesentencesfromthetext.Underlinethewordsthatintroducerelativeclausesandcirclethewordsthattherelativeclausesreferto.1.Thatwasthedaywhenittookonlysixhourstobreakmybodyandsoul.2....thereasonwhyI'mheretotellthestoryisthatImadetherightdecision.3.…andthewavessooncarriedmetoanareawheretheotherfishermenwere.2.学生活动：PairWorkPairWorkReadthesentencesbelowandcomparethem.Whichchoice(aorb)doyouthinkisbetter?Why?1.aIsthereashopnearby?Iwanttobuysomesweetsintheshop.bIsthereashopnearbywhereIcanbuysomesweets?2.aWecangothereonSunday.FewpeoplegotoworkonSunday.bWecangothereonSundaywhenfewpeoplegotowork.3.aHewassoupsetforsomereason.Hedidn'ttellmethereason.bHedidn'ttellmethereasonwhyhewassoupset.(Answers:1b2b3bUsingrelativeclauseshelpstomakethesentenceslogicallyclearerandconcise.Relativeclausescanalsohelptoomitrepeatedwordsandexpressions.)3.学生活动：完成练习。Completethesentencesaboutyourselfusingrelativeclauses.1.I'llneverforgettheday_______________________________________.2.Iwasborninacity/town_____________________________________.3.I'llneverknowthereason_____________________________________.EXPRESSYOURSELF学生活动：PairWorkPrepareastoryaboutsomethingscaryorunusualyouexperiencedoryouknowanduserelativeclausestotellittoyourpartner.ExampleMystoryhappenedonadarknightwhen…语法：关系副词引导的定语从句当引导定语从句的关系词在从句中用作时间、地点、原因状语时，应使用关系副词when,where,why或“介词+which”。关系副词的作用如下：（1）指代表示时间、地点、原因的先行词；（2）在从句中充当句子成分——状语，即在从句中起副词的作用；（3）起连接作用，把主句和定语从句连接起来构成主从复合句。1.when引导定语从句的用法（1）当先行词是表示时间的名词（如time,day,year,month,week等），且关系词在从句中做时间状语时，定语从句用when引导。（2）when可以换成“介词+which”。Istillrememberthetimewhen(=inwhich)Iwasincollege.我仍然记得我上大学的那段时光。Ihaveforgottentheexactdatewhen(=onwhich)thiscountrybecameindependent.我忘记这个国家独立的确切日期了。注意：当先行词是表示时间的名词时，既可以用when引导定语从句，也可以用that或which引导定语从句，关键要看关系词在定语从句中做何种成分。若关系词在定语从句中充当时间状语，利用when引导；若关系词在定语从向中充当主语或宾语，则用that或which引导。Doyoustillrememberthedays(that/which)wespenttogetheronthefarm?你还记得我们一起在农场度过的那些日子吗？（that或which做spent的宾语）Doyoustillrememberthedayswhenwechattedwitheachotherallnight?你还记得我们整夜聊天的那些日子吗？（when在从句中做时间状语）2.where引导定语从句的用法（1）当先行词是表示具体地点的名词（如place,room,mountain,airport等）或抽象地点的名词（如case,state,condition,point,situation等），且关系词在从句中做地点状语时，定语从句用where引导。Wehavereachedapointwhereachangeisneeded.我们已经到了需要做出改变的地步。Hegetsintoasituationwhereitishardtodecidewhatisrightorwrong.他陷入一种难以判断对错的境地。（2）where可以换成“介词+which”。Thisisthehotelwhere(=inwhich)theystayed.这就是他们待过的旅馆。注意：当先行词为地点名词时，如果指代先行词的关系词在定语从句中做主语或宾语，则用that或which引导定语从句。Hisfatherworksinafactorywhich/thatmakesradioparts.他的父亲在一家生产收音机零件的工厂里工作。3.辨析where引导的定语从句和状语从句（1）where引导定语从句时，它是关系副词，在定语从句中做地点状语，其前有一个表示地点的先行词。此时，where可以换成“介词+which”结构。where引导的定语从句只能位于主句之后或句中，不能位于句首。Isthereashoparoundwhere(=inwhich)wecanbuysomefruit?附近有没有一个商店可以让我们在里面买到一些水果？（2）where引导状语从句时，where为从属连词。where引导的地点状语从句修饰主句中的谓语动词，where前面没有表示地点的名词。此时，where不能换成“介词+which”结构。where引导的地点状语从句可位于主句之前，也可位于主句之后。Wherethereisawill,thereisaway.（谚）有志者，事竟成。Weshouldgowhereweareneeded.我们应该到需要我们的地方去。4.why引导定语从句的用法（1）当先行词是表示原因的名词reason，且关系词在从句中做原因状语时，定语从句用why引导，且只能引导限制性定语从句。（2）why可以用forwhich来代替。Thisisthereasonwhy(=forwhich)heleftinahurry.这就是他匆匆离去的原因。若代替先行词reason的关系词在定语从句中不做状语，而是充当主语或宾语，则用that或which引导定语从句。Thereasonthathetoldmeyesterdayisalie.昨天他告诉我的理由是个谎言。5.关系代词与关系副词的选择定语从句的引导词用关系代词还是关系副词可以用以下两种方式判断：用法依据根据从句的谓语动词若是及物动词，后面若无宾语，用关系代词；若是不及物动词，则用关系副词根据先行词在从句中所做的成分把先行词放入定语从句中，若做主语或宾语用关系代词；做状语则用关系副词Thisisthefactorywhereheusedtowork.这是他以前工作过的那家工厂。（work是不及物动词）Thisisthefactory(that/which)Ivisitedlastyear.这是我去年参观过的那家工厂。（visit是及物动词）Isthisthemuseum(that/which)youv