人教版（2019）選擇性必修 第一冊(cè)Unit 5 Working the Land Discovering Useful Structures 課件

SubjectClause

主語(yǔ)從句Step1學(xué)習(xí)理解

活動(dòng)一:識(shí)別主語(yǔ)從句(Part1,P53)

LookatthecomplexsentencesbelowandstatetheFunctionsofthenounclausesitacised.Thenfindsimilarcomplexsentencesfromthetext.1.WhatYuanLongpingreallycaredaboutwasnotmoneyorcelebrity.2.ThatYuanLongpinghadrealisedhisdreamofseawaterricesurprisedthewholeworld.3.ItsurprisedthewholeworldthatYuanLongpinghadrealisedhisdreamofdevelopingseawaterrice.Suggestedanswers:

1.subject

2.subject3.subject1.However,whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.

2.Howthiscouldbedonewasachallengingquestionatthetime.However,whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate.3.WhatimpressespeoplemostaboutYuanLongpingishisongoingabilitytofulfilhisdreams.活動(dòng)二：補(bǔ)全句子Matchthesentenceparts,andthentranslatethecompletedsentencesintoChinese.Payattentiontohowthe

subjectsareintroduceddifferentlv.A.WhatworriesmanypeopleB.ThatthelifestyleisslowerandhealthierC.Howwecanfindasuitablesolutiontoproduce

sufficientfoodwhilekeepingtheenvironmentsafeD.Whenthesewheatfarmerswilljointhispilot

experimentE.Itamazedallofusthat1.

remainsanunansweredquestion.2.

isanimportanttopicforustoresearch.3.

isthatthesechemicalsmayevencause

cancer4.

thesevegetablescanevenbeplanted

withoutanysoilthroughthisnewtechnology.5.

isthereasonwhysomepeoplepreferto

liveinthecountryratherthaninthecity.Suggestedanswers:1.D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。解析:當(dāng)主語(yǔ)從句中句子成分完整，詢問(wèn)“時(shí)間”時(shí)，主語(yǔ)從白用when引導(dǎo)。2.C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。解析：主語(yǔ)從句中句子成分完整，詢問(wèn)“方式”時(shí),主語(yǔ)從句用how引導(dǎo)。3.A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。解析：主語(yǔ)從句中缺少主語(yǔ)，表示“什么”用what引。4.E令我們所有人驚訝的是，通過(guò)這種新技術(shù)，可以無(wú)土栽培這些蔬菜。解析：it為形式主語(yǔ),that引導(dǎo)的從句是句子真正的5.B主語(yǔ)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。解析：主語(yǔ)從句結(jié)構(gòu)完整且描述的是事實(shí)，所以用that引導(dǎo)?；顒?dòng)三，強(qiáng)化訓(xùn)練Readthepassageandunderlineallthesubjectclauses.

Theninpairs,discusswhetherthesentenceswithsubject

clausescanbeparaphrased.Grandmahasbeencomplainingaboutthe

vegetablessoldinthesupermarket,whichhavebeen

Brownusingchemicalfertilisers.Toher,thatthey

lookbeautifulontheoutsideisobvious.However,

whatsheisunhappyaboutisthelowernutritional

valueandreducedflavour.Nowthatbothofmy

grandparentshaveretiredfromtheirjobsinthecity,

howtheyaregoingtospendtheirretirementisan

importantdecisionforthem.Whethertheycanlivea

healthylifeisthefirstthingtheyareconsidering.So

theyhavemadeuptheirmindstomovetothe

countryside,wheretheycanliveagreenlife.Suggestedanswers:1....,thattheylookbeautifulontheoutsideisobvious..,itisobviousthattheylookbeautifulontheoutside.2.However,whatsheisunhappyaboutisthelower

nutritionalvalueandreducedflavour.(Can'tbe

paraphrased)3..,howtheyaregoingtospendtheirretirementis

animportantdecisionforthem.>...,itisanimportantdecisionforthemhowthey

aregoingtospendtheirretirement.4.Whethertheycanliveahealthylifeisthefirst

thingtheyareconsidering.

>Itisthefirstthingtheyareconsideringwhethertheycanliveahealthylife.小結(jié)：主語(yǔ)從句常用it作形式主語(yǔ)，常見(jiàn)句型有：1.It十be十形容詞十主語(yǔ)從句.(obvious,clear,

certain,uncertain,true,natural,strange,likely..)2.It十be十名詞十主語(yǔ)從句.(apity,afact,amystery,

ashame,anhonour,aquestion,commonknowledge...)3.It十be十過(guò)去分詞十主語(yǔ)從句.announced,

believed,expected,hoped,decided,

reported,said,

shown,wellknown,proved...）（此結(jié)構(gòu)中的主語(yǔ)從句不可提前）4.It十不及物動(dòng)詞十主語(yǔ)從句．(seem,appear,

happened..）（此結(jié)構(gòu)中的主語(yǔ)從句不可提前）Step2遷移創(chuàng)新

活動(dòng)四：情境應(yīng)用WhatqualitiesdoyouthinkmakeapersonlikeYuan

Longpingsosuccessful?Workingroups.Haveadiscussionandprepareapresentation.Thefollowingpointsand

expressionsmayhelpyou.?his/herdeterminationtotacklethecrisisof...?his/herintenseefforttoovercome..?his/herdreamtodevelop..?his/herloveandcarefor..?he/shesucceededin...?he/shenevergaveup..?he/sheisdevotedto...Whatimpressesmemostisthat...Whatmakeshim/heragreat.…isthat.Itisimportantthat.Whether.dependson..That……ishis/hermostimportantquality.Suggestedanswer:

Helloeveryone!TodayI’mgladtoshareyouagreat

pioneerinagriculture-YuanLonging.Itisknown

tousallthatYuanLongingalwaysconsidershimself

afarmer.Actually,heisfamousasthe“fatherof

hybridrice”bothinChinaandAbroad.

Whatimpressesmemostisthatherefusedhisparents’suggestiontostudyscienceormedicineinacollegeand

wenttoreceiveaneducationatSouthwestAgricultural.ThatCollegeinChongqing.Whatmakeshimagreatscientistishisdeterminationtotacklethecrisisofthepoorharvestsandstarvationoffarmers.Itisimportantthathehadadreamtodevelophighoutputricehybridrice.Whetherhisdreamwouldbeaccomplisheddependedonhisintenseefforttoovercomeallthedifficultiesduringtheresearch.Itexcitedthewholeworldthathesucceededinfindingthesolutiontoboostingyieldinthefield.Thathisloveandcareforhispeoplemakeshim