高中英語選擇性必修一 unit5 Working the land Period 3

Unit5WorkingTheLand

選擇性必修一人教版（2019）Period3DiscoverusefulstructuresLeadinThattheearthrunsroundthesunisafact.Whetheritisgoingtorainisstillunknown.Observethefollowingsentencesandthefeatureofthenounclauses.SubjectSubjectLeadinWhatYuanLongpingsaidimpressedmealot.Wherewewilltravelaftergraduationisnotdecided.SubjectSubjectObservationObservethefollowingsentencesandthefeatureofthenounclauses.1.WhatYuanLongpingreallycaredaboutwasnotmoneyorcelebrity.2.ThatYuanLongpinghadrealisedhisdreamofseawaterricesurprisedthewholeworld.3.ItsurprisedthewholeworldthatYuanLongpinghadrealisedhisdreamofdevelopingseawaterrice.subjectclausesSubjecttherealsubjectitistheformalsubjectSubjectConclusion

SubjectClauses概念：復(fù)合句中用作主語的名詞性從句叫作主語從句。引導(dǎo)主語從句的連詞在主語從句充當(dāng)?shù)某煞诌B詞that不作成分，無含義連詞whether不作成分，有含義連接代詞who、what、which作主語、賓語、表語連接副詞when、where、how、why等作狀語Study1.連詞that在引導(dǎo)名詞性從句時(shí)本身沒有意義，在從句中不擔(dān)任任何句子成分，但引導(dǎo)主語從句時(shí)不能省略。e.g.1）Thatyoudidn'tknowtheruleswon'tbeanexcuseforyourfailure.2）Thattheearthisroundisafact.3）AsIsearchedthenameLindaontheInternet，itbecameevidentthatthere'retwowiththesamenamewholookcompletelydifferent.Study考點(diǎn)總結(jié)1）that引導(dǎo)主語從句位于句首時(shí)，本身無意義，但是不可省略。2）that從句作主語時(shí)，常用it作形式主語，常見的句型有：e.g.Itisannouncedintoday'snewspaperthatXiJinpingwillpayavisittoRussianextweek

①It＋be＋形容詞(obvious，natural，surprising，etc.)＋that從句②It＋be＋名詞詞組(nowonder，anhonor，apity，etc.)＋that從句③It＋be＋過去分詞(said，reported，thought，etc.)＋that從句Study2.whether(注意不能用if)在主語從句中表示的意思為：是否。e.g.1）Whethershewillwintheprizeisstillunknown.2）Whetherhewillcomeisnotdecided.3）Itremainstobeseenwhetherthenewlyformedcommittee'spolicycanbeputintopractice.Study3.連接代詞what（什么）,who（誰）,which（哪一個(gè)）,—ever（無論）在從句作主、賓、表語等。e.g.1）Whoeveristhelasttoleaveshouldturnoffthelights.2）Whatsomescientistshavefoundisthattheirlong-termuescansometimesharmboththelandandpeople'shealth.3）Whoeverwantstostayinahotelhastopaytheirownway.Study考點(diǎn)總結(jié)1．what引導(dǎo)名詞性從句時(shí)，意為“什么”或“……的”，在從句中用來作主語、賓語、表語或定語。2．wh－ever引導(dǎo)名詞性從句時(shí)，其作用等同于其前面的連接詞，意為“任何……”或“無論……”，含有強(qiáng)調(diào)的語氣。e.g.1）Whatworriesusmostiswholetoutthesecret.2）Whoeverbreaksthelawshouldbepunished.

Study4.連接副詞when、how、where、why，在主語從句中，表示的意思分別為：何時(shí)、怎樣、何地、為什么。e.g.1）Howthiscouldbedonewasagoodquestion.2）Whyshedidn'tshowupremainsapuzzle.3）WhereLiBai，agreatChinesepoet，wasbornisknowntothepublic，butsomewon'tacceptit.Study5.It作形式主語為保持句子平衡，常把主語從句后置，而用形式主語it代替，it作形式主語時(shí)常用于以下句型：It+系動(dòng)詞+形容詞+主語從句常用于此句型的形容詞有important,(un)likely,possible,necessary,natural,wrong等It+系動(dòng)詞+名詞+主語從句常用于此句型的名詞有fact,idea,honour,question,pity等It+系動(dòng)詞+過去分詞+主語從句常用于此句型的過去分詞有known,proved,said,decided,suggested,thought等It+不及物動(dòng)詞+主語從句常用于此句型的動(dòng)詞有appear,happen,seem,occur,matter等Studye.g.1）It’spossiblethathehasbeentoEngland.2）It’sapitythatyoudidn’ttakepartinmybirthdayparty.

3）Itseemsthatitisgoingtorain.4）Itissuggestedthatthedangerousmarathon(should)becancelled.

(1)在“It+系動(dòng)詞+形容詞+主語從句”句型中,如果形容詞為necessary，important,strange,natural等時(shí),從句謂語動(dòng)詞常用“(should)+動(dòng)詞原形”。(2)在“It+系動(dòng)詞+過去分詞+主語從句”句型中,如果過去分詞為suggest,advise,request,require等時(shí),從句謂語動(dòng)詞使用“(should)+動(dòng)詞原形”。

Study6.主語從句注意事項(xiàng)1．從句要用陳述語序Howtheaccidenthappenedwasstillapuzzle.2．注意主謂一致(1)從句作主語時(shí)，主句的謂語一般用單數(shù)形式。Whetherhewillgohomeornotaftergraduationhaspuzzledhimmuch.(2)如果由and連接兩個(gè)或兩個(gè)以上的主語從句作主語時(shí)，謂語動(dòng)詞用復(fù)數(shù)；

由兩個(gè)或多個(gè)連接詞引導(dǎo)一個(gè)主語從句時(shí)，謂語動(dòng)詞用單數(shù)。Whenandwheretheywillholdthemeetingisnotclear.Whentheywillstartandwheretheywillgohavenotbeendecidedyet.Study7.主語從句連接詞使用的判斷方法：Step1（從第二個(gè)動(dòng)詞前）劃出主語從句Step2找出從句的謂語動(dòng)詞（觀察其前后是否少主賓等成分）Step3連詞考慮順序：連接代詞——連接副詞——whether——thate.g.

thiscouldbedonewasagoodquestion.

thiscouldbedonewasagoodquestion.Howthiscouldbedonewasagoodquestion.PracticeMatchthesentencespartesandtranslatethemintoChinese.PracticeMatchthesentencespartesandtranslatethemintoChinese.1.D

Whenthesewheatfarmerswilljointhispilotexperimentremainsanunansweredquestion.

翻譯：這些小麥農(nóng)戶什么時(shí)候會(huì)加入預(yù)實(shí)驗(yàn)仍然不得而知。

2.CHowwecanfindasuitablesolutiontoproducesufficientfoodwhilekeepingtheenvironmentsafeisanimportanttopicforustoresearch.翻譯：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。PracticeMatchthesentencespartesandtranslatethemintoChinese.3.AWhatworriesmanypeopleisthatthesechemicalsmayevencausecancer.

翻譯：令很多人所擔(dān)心的是，這些化學(xué)制品甚至可能導(dǎo)致癌癥。

4.EItamazedallofusthatthesevegetablescanevenbeplantedwithoutanysoilthroughthisnewtechnology.

翻譯：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。PracticeMatchthesentencespartesandtranslatethemintoChinese.5.BThatthelifestyleisslowerandhealthieristhereasonwhysomepeopleprefertoliveinthecountryratherthaninthecity.

翻譯：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。

Discussion

Readthepassageandunderlineallthesubjectclauses.Thendiscusswhetherthesentenceswithsubjectclausescanbeparaphrased.Grandmahasbeencomplainingaboutthevegetablesoldinthesupermarket,whichhavebeengrownusingchemicalfertilisers.Toher,thattheylookbeautifulontheoutsideisobvious.However,whatsheisunhappyaboutisthelowernutritionalvalueandreducedflavour.Tips:payattentiontothewords:that,whether,what,etc.subjectclausessubjectclauses∧lackobjectDiscussion

Nowthatbothofmygrandparentshaveretiredfromtheirjobsinthecity,howtheyaregoingtospendtheirretirementisanimportantdecisionforthem.Whethertheycanliveahealthylifeisthefirstthingtheyareconsidering.Sotheyhavemadeuptheirmindstomovetothecountryside,wheretheycanliveagreenlife.Tips:payattentiontothewords:that,whether,what,etc.subjectclausessubjectclauses不缺成分，有含義缺狀語Discussion

WhatqualitiesdoyouthinkmakeapersonlikeYuanLongpingsosuccessful?Haveadiscussionandprepareapresentation.Thefollowingpointsandexpressionsmayhelpyou.Discussion

Discussthequestion“WhatqualitiesdoyouthinkmakeapersonlikeYuanLongpingsosuccessful?”indifferentgroups，thenchooseonetogiveapresentation.Wewillchoosethebestgroupandthebestindividual.HisdeterminationtotacklethecrisisofpoorharvestsandseriousshortageoffoodHisintenseefforttoovercomeenormoustechnicaldifficultiestodevelopthefirsthybridrice.Hesucceedinproducingakindofricethatcouldfeedmorepeopleallovertheworld.Hisloveandcareforagriculturalresearchandhemakeslargedonationstosupportit.......Discussion

WhatqualitiesdoyouthinkmakeapersonlikeYuanLongpingsosuccessful?Haveadiscussionandprepareapresentation.Tips:payattentiontothewords:that,whether,what,etc.Possibleanswer: WhatimpressesmemostisthatYuanLongpinghassucceededinhelpingtofeedsomanypeople.Itisimportantthathenevergaveup,despitemanydifficulties.Thathesucceededinrealisinghisdreamisw