Unit5WorkingtheLandDiscoveringUsefulStructures（課件）高二英語（人教版2019選擇性）

Unit5WorkingtheLandDiscoveringUsefulStructuressubjectclause(Period2)教學(xué)目標(biāo)：1.通過介紹幾個(gè)袁隆平院士相關(guān)的話題句子來引出學(xué)習(xí)主題，學(xué)生能在語境中理解主語從句的概念，感知主語從句的形式。2.通過不同形式的練習(xí)，學(xué)生能在語境中恰當(dāng)?shù)厥褂弥髡Z從句。3.學(xué)生能應(yīng)用所學(xué)語法知識(shí)，談?wù)撛∑降钠焚|(zhì)，有效地表達(dá)觀點(diǎn)。WhatdidYuanLongpingnotcareabout？WhatYuanLongpingreallycaredaboutwasnotmoneyorcelebrity.2.Whatshockedtheworld?

ThatYuanLongpinghadrealisedhisdreamofseawaterricesurprisedthewholeworld.LeadinTask1:Lookatthecomplexsentencesbelowandstatethefunctionsofthenounclausesitalicized.subjectsubjectsubjectSometimeswhenthesubjectofasentenceisquitelong,itisgoodtomovethesubjecttotheendofthesentence,anduseitinitsplace.subjectclause1.WhatYuanLongpingreallycaredaboutwasnotmoneyorcelebrity.2.ThatYuanLongpinghadrealisedhisdreamofseawaterrice

surprisedthewholeworld.3.Itsurprisedthewholeworld

thatYuanLongpinghadrealisedhisdreamofdevelopingseawaterrice.Whatdoesthesubjectclauseactasinasentence？subject.Whataretheconnectivesofthesubjectclauses?what,whether,how.Task2:Thenfindsimilarcomplexsentencesfromthetext.1.However,whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.2.Howthiscouldbedonewasachallengingquestionatthetime.3.However,whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate.4.WhatimpressespeoplemostaboutYuanLongpingishisongoingabilitytofulfilhisdreams.Task3:Lookatthefollowingsentencesandtellthefunctionsoftheunderlinedsentences.1.WhatconcernedYuanLongpingmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.2.Howthiscouldbedonewasachallengingquestionofthetime..3.Whetheritwaspossibletodevelopahybridofself-pollinatingplantswasamatterofgreatdebate.4.Itisestimatedthatabout60%ofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains.5.WhatimpressespeoplemostaboutYuanLongpingishisongoingabilitytofulfilhisdreams.StructureFunctionLeadingwordSentence1atthebeginningofthewholesentence,beginningwith“what”actassubjectSentence2actassubjectSentence3actassubjectSentence4actassubjectSentence5actassubjectStructureFunctionLeadingwordSentence1atthebeginningofthewholesentence,beginningwith“what”actassubjectwhatSentence2actassubjectSentence3actassubjectSentence4actassubjectSentence5actassubjectatthebeginningofthewholesentence,beginningwith“how”atthebeginningofthewholesentence,beginningwith“whether”atthebeginningofthewholesentence,beginningwith“that”atthebeginningofthewholesentence,beginningwith“what”howwhetherthatwhatTask4:Findandmarkthesubjectclausesinthesentencesandthenstatetheirfunctions,leadingwordsitalicised.1.WhatYuanLongpingreallycaredaboutwasnotmoneyorcelebrity.2.ItsurprisedthewholeworldthatYuanLongpinghadrealisedhisdreamofdevelopingseawaterrice.3.Howhedidtheexperimentwaspuzzlingtoothers.4.Whenthesportsmeetwillbeheldhasn’tbeendecidedyet.5.Itremainsamysterywherehehasgoneforfurtherstudy.Task5:Matchthesentenceparts,andthentranslatethecompletedsentencesintoChinese.Payattentiontohowthesubjectsareintroduceddifferently._______remainsanunansweredquestion._______isanimportanttopicforustoresearch._______isthatthesechemicalsmayevencausecancer._______thesevegetablescanevenbeplantedwithoutanysoilthroughthisnewtechnology._______isthereasonwhysomepeopleprefertoliveinthecountryratherthaninthecity.WhatworriesmanypeopleThatthelifestyleisslowerandhealthier.Howwecanfindasuitablesolutiontoproducesufficientfoodwhilekeepingtheenvironmentsafe.Whenthesewheatfarmerswilljointhispilotexperiment.ItamazedallofusthatDCAEB這些小麥農(nóng)戶什么時(shí)候會(huì)加入預(yù)試驗(yàn)仍然不得而知。如何能夠找到一個(gè)合適的解決辦法，在保證環(huán)境安全的同時(shí)，生產(chǎn)足夠的糧食，是一個(gè)需要我們研究的重要課題。令很多人擔(dān)心的是，這些化學(xué)制品甚至可能導(dǎo)致癌癥。令我們所有人驚訝的是，通過這種新技術(shù)，可以無土栽培這些蔬菜。有些人更喜歡住在鄉(xiāng)下而非城市的原因是前者生活節(jié)奏更慢、生活方式更健康。Task6:Translatethefollowingsentences.EXAMPLE：hethought/completelywrongWhathethoughtwascompletelywrong.hesaid/reasonable.

________________________________________________________2.shewillaccepttheinvitation/notclearyet.

________________________________________________________3.theanimalsaremovingto/notexactlyknown________________________________________________________4.youhaverecoveredfromyourillness/agreatrelieftous________________________________________________________5.hehasbecomedistantrecently/myconcern________________________________________________________Whathesaidseemsreasonable.Whethershewillaccepttheinvitationisnotclearyet.Wheretheanimalsaremovingtoisnotexactlyknown.Thatyouhaverecoveredfromyourillnesswillbeagreatrelieftous.Thathehasbecomedistantrecentlyismyconcern.Task7:Makesentencesusingsubjectclauseswiththehelpofthecues.1．It＋be＋形容詞(obvious,true,natural,strange,etc.)＋主語從句Itisimportantthat

heshouldknowaboutthis.[名師點(diǎn)津]

在“It＋be＋形容詞＋主語從句”結(jié)構(gòu)中，若形容詞為important/necessary/strange等，主語從句中的謂語用“should＋動(dòng)詞原形”形式，其中should可省略。2．It＋be＋名詞詞組(nowonder,anhonour,apity,a/nosurprise,etc.)＋主語從句It'sapitythat

hedidn'tattendtheopeningceremony.3．It＋be＋過去分詞(said,reported,thought,expected,proved,etc.)＋主語從句[名師點(diǎn)津]

在“It＋be＋過去分詞＋主語從句”結(jié)構(gòu)中，過去分詞若為suggested/ordered/required/advised等，主語從句中的謂語用“should＋動(dòng)詞原形”形式，其中should可省略。4．It＋不及物動(dòng)詞(happen,seem,appear,remain,etc.)＋主語從句Itseemsthatitisgoingtorain.5．It＋及物動(dòng)詞＋賓語＋主語從句Itsurprisedhimwhytheycametovisithimsuddenly.用It作形式主語改寫句子①Thathesuddenlyfellilllastmonthsurprisedus.→________________________hesuddenlyfellilllastmonth.②Whethertheywillsellthehousehasn'tbeendecidedyet.→________________________________________theywillsellthehouse.③Thatlighttravelsinstraightlinesisknowntousall.→________________________lighttravelsinstraightlines.

Grandmahasbeencomplainingaboutthevegetablessoldinthesupermarket,whichhavebeengrownusingchemicalfertilisers.Toher,thattheylookbeautifulontheoutsideisobvious.However,whatsheisunhappyaboutisthelowernutritionalvalueandreducedflavour.Nowthatbothofmygrandparentshaveretiredfromtheirjobsinthecity,howtheyaregoingtospendtheirretirementisanimportantdecisionforthem.Whethertheycanliveahealthylifeisthefirstthingtheyareconsidering.Sotheyhavemadeuptheirmindstomovetothecountryside,wheretheycanliveagreenlife.Task8:Readthepassageandunderlineallthesubjectclauses.Task9:Readthepassageandunderlineallthesubjectclauses.Thendiscusswhetherthesentenceswithsubjectclausescanbeparaphrased.Grandmahasbeencomplainingaboutthevegetablessoldinthesupermarket,whichhavebeengrownusingchemicalfertilisers.Toher,thattheylookbeautifulontheoutsideisobvious.However,whatsheisunhappyaboutisthelowernutritionalvalueandreducedflavour.Nowthatbothofmygrandparentshaveretiredfromtheirjobsinthecity,howtheyaregoingtospendtheirretirementisanimportantdecisionforthem.Whethertheycanliveahealthylifeisthefirstthingtheyareconsidering.Sotheyhavemadeuptheirmindstomovetothecountryside,wheretheycanliveagreenlife.Grandmahasbeencomplainingaboutthevegetablessoldinthesupermarket,whichhavebeengrownusingchemicalfertilisers.Toher,thattheylookbeautifulontheoutsideisobvious.However,whatsheisunhappyaboutisthelowernutritionalvalueandreducedflavour.Nowthatbothofmygrandparentshaveretiredfromtheirjobsinthecity,howtheyaregoingtospendtheirretirementisanimportantdecisionforthem.Whethertheycanliveahealthylifeisthefirstthingtheyareconsidering.Sotheyhavemadeuptheirmindstomovetothecountryside,wheretheycanliveagreenlife.Toher,itisobviousthattheylookbeautifulontheoutside.his/herdeterminationtotacklethedifficultiesof…h(huán)is/herefforttoovercomehis/herdreamtodevelophis/herloveandcareforhe/shesucceededin…h(huán)e/shenevergiveup…h(huán)e/sheisdevotedto…Whatimpressesmemostisthat…Whatmakeshim/heragreat…isthat…Itisimportantthat…Whether…dependson…That…ishis/hermostimportantquality.Task10:WhatqualitiesdoyouthinkmakeapersonlikeYuanLongpingsosuccessful?Workingroupsof4.Haveadiscussionandprepareapresentation.Thefollowingpointsandexpressionsmayhelpyou.Itremainsunknown1.________organicfoodisreallybetterforpeople.Ihavesearchedlongandit'shardtofindtheanswer.ButIcouldn'tfindanyscientificstudiestoproveordisprove2.________organicfoodisbetter.3.________makesorganicproductsisthattheyarefreefromthechemicalsusedonconventionallygrownproducts.So,Iturnedmyattentiontothesechemicals.Mostreportsclaimthatthesechemicals,4.________handledproperlyandusedinsmallamounts,arenotdangeroustohumans.Completethegrammarfil