Unit5LearningAboutLanguage課件高二英語人教版選擇性

人教版（2019）選擇性必修一Unit5WorkingtheLandLearningAboutLanguage

BuildupyourvocabularyLearningobjectivesLet’sreviewkeywordsandphraseswehavelearned.Asawitnesstofarmers’poorharvestsandevenasevere_________offood,YuanLongpingwasdeterminedto_____hislifeto______thiscrisis.Aftergraduation,herealisedthatwhatfarmersneededmostwastoboostyieldsinthefields.Yuan___________thattheanswerlayinthecreationofhybridrice,onecharacteristicofwhichisthatitusuallyachieveshigheroutputthan__________crops.However,itwasnoeasyjob.Thefirstdifficultyheneededto_______wasscientists’general_________thatthiscouldnotbedone.Through_____effort,Yuanmanagedto______thisincrediblecrop.Itisestimatedthatabout60percentofdomesticriceconsumptioninChinais________ofcropsgeneratedfromYuan’shybridstrains.HisinnovationhasenabledChinesefarmerstoconsiderably_____theiroutputandhelpedfeedtheworld.Unwillingtoretireearlytoalifeof_____andunconcernedabout______orfortune,Yuancontinuedtoturnone_____afteranotherintorealities.wasdevoteshortagetacklingconvincedconventionalassumptionintensegenerateexpandleisurecelebrityvisionReplacetheunderlinedwordswiththecorrectformsofthewordsfromthetext.devotestacklewas(strongly)convincedovercameexpandleisureCompletethesentenceswiththecorrectformsofthewordsfromthetext.Thenusethesewordstomakeyourownsentences.hortageharacteristicsssumeonsumptionCompletethesentenceswiththecorrectformsofthewordsfromthetext.Thenusethesewordstomakeyourownsentences.risiselebritiesonventionalenerateCompletethenewsreportbelowwiththecorrectformsofthewordsandphrasesinthebox.realconsumptionThetunnelsarelitwithpinkLEDsasthereisnonaturallight

_________belowtheground.Thevegetablesaregrowninspecialliquidsinsteadoftheearththatisusedasin______________farming.Manyexpertssharea_________thatthiskindofurbanfarmingcouldhelpnotonlyin_______theproblemofpopulationgrowth,butalsoinadaptingtoclimatechange.Completethenewsreportbelowwiththecorrectformsofthewordsandphrasesinthebox.conventionaldeepdownvisiontacklingLet’sreviewsomekeywordsbybuildingwordnetwork.vision(n)envision(vt)visionary(adj)convention(n)conventional(adj)unconventional(adj)real(adj)reality(n)unreal(adj)really(adv)consume(v)consumption(n)consumer(n)assume(v)assumption(n)assumed(adj)convince(v)convinced(adj)convincing(adj)Let’sreviewsomekeywordsbybuildingwordnetwork.expand(v)expansion(n)generate(v)generation(n)short(adj)shortage(n)innovate(v)innovation(n)innovative(adj)estimate(v)estimation(n)...DiscoverusefulstructuresLearningobjectivesBytheendofthissection,youwillbeableto:1.identifyandsummarizetheusesofsubjectclauses;2.practiseusingandtranslatingsubjectclauses;3.usesubjectclausestotalkaboutwhatqualitiesmakeapersonsosuccessful.Lookanddiscuss.Lead-inWhatisthefunctionsoftheunderlinedpartinthesentence?Whatisthedifferencebetweenthem?WhatYuanLongpingreallycaredaboutwasnotmoneyorcelebrity.YuanLongpingcaredlittleforcelebrityormoney.ssaclauseassubjectSubjectClause?ThatYuanLongpinghadrealisedhisdreamofseawaterricesurprisedthewholeworld.?ItsurprisedthewholeworldthatYuanLongpinghadrealisedhisdreamofdevelopingseawaterrice.?

However,whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.(P2)?Howthiscouldbedonewasachallengingquestionatthetime.(P3)?However,whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate.(P3)?WhatimpressedpeoplemostaboutYuanLongpingwashisongoingabilitytofulfillhisdreams.(P6)subject

Presentationsubject

1.______remainsanunansweredquestion.2.______isanimportanttopicforustoresearch.3.

______

isthatthesechemicalsmayevencausecancer.4.

______

thesevegetablescanevenbeplantedwithoutanysoilthroughthisnewtechnology.5.______isthereasonwhysomepeopleprefertoliveinthecountryratherthaninthecity.A.WhatworriesmanypeopleB.ThatthelifestyleisslowerandhealthierC.HowwecanfindasuitablesolutiontoproducesufficientfoodwhilekeepingtheenvironmentsafeD.Whenthesewheatfarmerswill

jointhispilotexperimentE.Itamazedallofusthatfocusthewordorderofthesubjectclausesusestatementwordorder陳述語序1.______remainsanunansweredquestion.2.______isanimportanttopicforustoresearch.D

C

D.Whenthesewheatfarmerswill

jointhispilotexperiment這些小麥農(nóng)戶什么時候會加入預試驗仍然不得而知。C.Howwecanfindasuitablesolutiontoproducesufficientfoodwhilekeepingtheenvironmentsafe如何能夠找到一個合適的解決辦法，在保證環(huán)境安全的同時，生產(chǎn)足夠的糧食，是一個需要我們研究的重要課題。3.

______isthatthesechemicalsmayevencausecancer.A

A.Whatworriesmanypeople

令很多人擔心的是，這些化學制品甚至可能導致癌癥。5.______isthereasonwhysomepeopleprefertoliveinthecountryratherthaninthecity.E

B

E.Itamazedallofusthat令我們所有人驚訝的是，通過這種新技術，可以無土栽培這些蔬菜。B.Thatthelifestyleisslowerandhealthier4.

______thesevegetablescanevenbeplanted

withoutanysoilthroughthisnewtechnology.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。SubjectClauses1.定義：在英語中，有的從句在復合句中的作用相當于名詞，稱作名詞性從句。復合句中用作主語的從句叫作主語從句。2.語序：主語從句要用陳述句語序。3.分類：（1）that,whether引導的主語從句that,whether引導主語從句，在句中不充當成分，that本身沒有詞義，whether不能改if。例：

Thattheearthisroundisafact.

Thathewonthegamemadeatremendousstirinourcountry.

Whethershewillwintheprizeisstillunknown.

Whetheritwilldousharmorgoodremainstobeseen.SubjectClauses（2）連接代詞引導的主語從句連接代詞what,whatever,which,whichever,who,whom,whose,whoever,whomever等引導主語從句，在從句中充當一定的句子成分，可作主語、賓語、表語和定語。

例：Whoeveristhelasttoleaveshouldturnoffthelights.Whatsomescientistshavefoundisthattheirlong-termusecansometimesharmboththelandandpeople’shealth.

Whichteamwillwinthematchisstillunknown.

Whowillgomakesnodifference.

Whomwemustserveisaquestionofvitalimportance.SubjectClauses（3）連接副詞引導的主語從句連接副詞when,where,how,why等引導主語從句，在從句中作狀語。例：

Whenshewillbebackdependsontheweather.

Whereshehasgoneisamystery.Howthiscouldbedonewasagoodquestion

Whyshedidn’tshowupremainsapuzzle.（4）it作形式主語的主語從句為避免頭重腳輕，常由it作形式主語，把主語從句放在句末。例：

Itisafactthattheearthisround.

Itisunknownwhethershewillwintheprize.Itisstillaquestionwhenweshallhaveasportsmeeting.SubjectClauses4.注意事項：（1）主語從句中的that一般情況下不可省略。（2）主語從句在句子中充當主語,句子的謂語動詞用第三人稱單數(shù)。例：Whyherefusedtogoisstillamystery.Thatheisstillaliveissurprising.Whowillwinthematchisstillunknown.

Wherethepartywillbeheldhasnotyetbeendecided.Itisapitythatwecan’tbefriends.Itisapitywecan’tbefriends.Thatwecan’tbefriendsisapity.Wecan’tbefriendsisapity.Readthepassageandunderlineallthesubjectclauses.Theninpairs,discusswhetherthesentenceswithsubjectclausescanbeparaphrased.Sheisunhappyaboutthelowernutritionalvalueandreducedflavour.PracticeRewritethesentencesusingsubjectclauses.EXAMPLEI’dlikeyoutofindouthownewtechnologiescanincreasegrapeproductioninBinchuancounty.WhatI’dlikeyoutofindoutis

hownewtechnologiescanincreasegrape

productioninBinchuancounty.1.Wewantedtoknowwherehehadlostthelaptop.Where___________________waswhatwewantedtoknow.2.Thewayinwhichhedidtheexperimentwaspuzzlingtootherpeople.How___________________waspuzzlingtootherpeople.hehadlostthelaptophedidtheexperimentWorkbookRewritethesentencesusingsubjectclauses.theyusetoomanychemicalpesticidesthesportsmeetwillbeheldMakesentencesusingsubjectclauseswiththehelpofthecues.Whathesaidseemsreasonable.Whethershewillaccepttheinvitationisnotclearyet.Wheretheanimalsaremovingtoisnotexactlyknown.Thatyouhaverecoveredfromyourillnesswillbeagreatrelieftous.Circleandcorrectthemistakeineachsentence.1.WhathaveIforgottenisthatIhaveatesttoday.2.Wholeftmetheseflowersarenotcleartome.3.Thisisobviousthatstudentsshouldpreparewellfortheirfuture.

4.Who’sticketthisishasnotbeenconfirmed.5.Whenthetestwillbegivenhavenotbeendecided.IhaveisItWhosehas陳述語序謂語用第三人稱單數(shù)it作形式主語主語從句引導詞的選擇謂語用第三人稱單數(shù)Combineeachpairofsentencesusingthewordinbrackets.1.Canwecontrolpestswithoutcausinganyilleffects?Thisstillremainsa

question.(Whether)Whetherwecancontrolpestswithoutcausinganyilleffectsstillremainsaquestion.Itiswellknownthatagricultureisthefoundationofourcountry.Thatsomeless-developedcountriesaresufferingfromfoodshortagesisaseriousproblemintheworld.ItistruethatsomeherdsmeninInnerMongoliafixelectronicsensorstotheircattletomonitortheirmovements.2.Agricultureisthefoundationofourcountry.

Thisiswellknown.(It)3.Someless-developedcountriesaresufferingfromfoodshortages.Itisa

seriousproblemintheworld.(That)4.SomeherdsmeninInnerMongoliafixelectronicsensorstotheircattleto

monitortheirmovements.Itistruethattheyaredoingthis.(It)WhatqualitiesdoyouthinkmakeapersonlikeYuanLongpingsosuccessful?Workingroups.Haveadiscussionandprepareapresentation.Thefollowingpointsandexpressionsmayhelpyou.Production

Whatimpressesmemostisthat…