Unit+3+Sea+exploration+Reading+for+writing.課件【核心知識(shí)精研精講】高中英語人教版（2019）選擇性必修第四冊(cè)

授課時(shí)間：5月16日授課內(nèi)容：Unit3writing教學(xué)目標(biāo)：在本課學(xué)習(xí)結(jié)束時(shí)，學(xué)生能夠：1.掌握議論文的基本結(jié)構(gòu)；2.在議論文中區(qū)分分論點(diǎn)和論據(jù)；3.掌握表達(dá)支持與反對(duì)態(tài)度的短語及句式；4.完成議論文寫作，表達(dá)自己對(duì)海洋探索的觀點(diǎn)，樹立正確的海洋發(fā)展觀。教學(xué)重難點(diǎn)：引導(dǎo)學(xué)生掌握議論文的文體結(jié)構(gòu)和語言特征，指導(dǎo)學(xué)生完成一篇議論文的寫作；引導(dǎo)學(xué)生樹立正確的海洋發(fā)展觀。教學(xué)方法：講授法，討論法UNIT3SEAEXPLORATIONUsinglanguageExpressyouropinionsonseaexploration

Toanalyzetheargumentsandevidenceinthetexts.Toexpressyouropinionsonseaexploration.Tolearntowriteanargumentativeessay.discovernewspeciesdetectenergyormineralandfoodresourcespredictpotentialdisastersWhatdoyouknowaboutseaexploration?Pre-readingsolvemarinescientificmysteriesfindmorespaceforhumanexistenceanddevelopmentsearchforculturalrelics1.Whatarethetwoauthors’opinionsabouttheseaexploration?opposedsupportive2.Whatisthetexttypeofthetwotexts?Argumentativeessay3.Readthetwotextsandfindtheargumentsandevidence.

checkthemainarguments主論點(diǎn),sub-points分論點(diǎn)andevidence論據(jù)init.121.

Explorationcausespollution.

?DeepwaterHorizonoilspill?Plasticpollution2.Miningforresourcesisdamaging.

?IthurtstheArctic.?Burningfossilfuelsaddstoclimatechange.3.Overfishingisanissue.

?Whalesanddolphinsarehunted.

?Banned,butsomecountriesstilldoingit.3mainargument主論點(diǎn)sub-points分論點(diǎn)evidence論據(jù)restatement/重申acalltoaction號(hào)召ArgumentativeEssay(Text1)Conclusion(Para.5)(restatementandacalltoaction)

MainPoint(Para.1)(mainargument)Body(Para.2~4)(sub-points&supportingideas)Conclusion：Reviewthe

structure

121.Seaexplorationisimportantforourfuture.

?Scientificresearchshipscanhelpaddressimportantissueslikeclimatechange.2.Understandingmoreabouttheseawillalsohelpusmanageitsresourcesbetter.

?Newmedicines,foodresourcesandenergy.?Predicteventssuchasearthquakes.33.Weneednewresourcesforfuturedevelopment.

?Vastamountsofresourcesmaybeundertheseaandice.checkthemainarguments主論點(diǎn),sub-points分論點(diǎn)andevidence論據(jù)init.1causemanyproblems2spill…oilintothesea3mineforresources4withoutmercy5addressimportantissues6accessingthedeepocean

7havemoreoptionsfor

造成許多問題石油流入海中開采資源無情地應(yīng)對(duì)重要問題對(duì)……有更多的選擇深海探索Languagepoints:Importantphrases(P32)

Explorationandmapping繪制地圖ofthedeepseawouldbeforthebenefitofallcitizens—notjustineconomicterms角度butinopportunitiesforunexpecteddiscoveries.Butwhatweshouldtakeintoaccountishowtostrikeabalancebetweentheprotectionandexploitationofit.Shouldoceansbeexplored?Thisvideomayhelpyoubetterunderstandseaexploration.

Writing假定你是李華，最近你班就人類是否應(yīng)該進(jìn)行海洋探索進(jìn)行了討論，請(qǐng)根據(jù)討論結(jié)果，給某英文報(bào)社的編輯寫一封信。注意:1.詞數(shù)100左右;2.可適當(dāng)增加細(xì)節(jié)，以使文章連貫。贊成的理由反對(duì)的理由你的看法1.獲取更多的海底資源；2.提高對(duì)地球上生命的理解。……1.造成海洋污染，導(dǎo)致海洋生命死亡；2.破壞生態(tài)系統(tǒng)。…………審題定調(diào)1.確定體裁:本次寫作是一篇議論文，內(nèi)容涉及海洋探索。2.確定人稱:本文要用第三人稱。3.確定時(shí)態(tài):時(shí)態(tài)以一般現(xiàn)在時(shí)為主。謀篇第一段：說明討論的話題——人類是否應(yīng)該進(jìn)行海洋探索；第二段：說明正方和反方的觀點(diǎn)及理由；第三段：表明自己的觀點(diǎn)?？蚣芙Y(jié)構(gòu)：三段式Groupwork:brainstormmoreexpressions:Expressionsthatshowagreement:agreethat...approveoftheideathat...Supportersthinkthat......arefortheideathat...supportsth.Expressionsthatshowdisagreement:disagreethat...dispproveoftheideathat...Opponentsthinkthat......areagainsttheideathat...opposesth./beopposedtosth./objecttosth.Usefulexpressions：1.Thereisaheateddebate激烈的討論overtheexplorationofsea,andfrommypointofview...2.Whenitcomestoseaexploration,people’sopinions

differ

不同alot...3.Whatcallsfor

需要yourspecialattentionisthat...4.Thereisnodoubtthat...毫無疑問……。

Thereisnodenyingthat...不可否認(rèn)……。Itgoeswithoutsayingthat...……是不言而喻的/理所當(dāng)然的。

5.Necessaryasseaexplorationis,itdoesleadtoahandfulofproblems,including...6.Withallabovementionedtakenintoconsideration考慮到上述因素，itisworthwhileto...7.Inconclusion,thebenefitsofseaexplorationgreatlyoutweigh

超過therisks.翻譯句子1.海洋探索使人們有可能發(fā)現(xiàn)新的藥物。Seaexploration

newmedicines.2.海洋探索也使人們有可能發(fā)現(xiàn)新的食物和能源。

Seaexploration

newsourcesoffoodandenergy.請(qǐng)把第1、2句話按下面括號(hào)內(nèi)的提示詞合成一句話。(1)Seaexplorationhasmadeitpossibleforpeopletodiscover

.(notonly...butalso...)(2)Seaexplorationhasmadeitpossibleforpeopletodiscovernewmedicines

.(aswellas)hasmadeitpossibleforpeopletodiscoverhasalsomadeitpossibleforpeopletodiscover notonlynewsourcesoffoodandenergybutalsonewmedicinesaswellasnewsourcesoffoodandenergy翻譯句子4.海洋探索可能會(huì)導(dǎo)致海洋污染。Seaexplorationmight

marinepollution.5.海洋污染最終導(dǎo)致海洋生物死亡。Marinepollutionfinally

.請(qǐng)把第4、5句話按下面括號(hào)內(nèi)的提示合成一句話。Seaexplorationmightbringaboutmarinepollution,______________________________________________.(非限制定語從句)bringaboutleadstheoceancreaturestodeathwhichleadstheoceancreaturestodeath.3.海洋探索可能有助于增進(jìn)我們對(duì)地球上生命的了解。Seaexplorationmighthelp

.improveourunderstandingofthelifeontheearth6.海洋探索還可能造成生態(tài)系統(tǒng)的破壞。Seaexplorationmight

.7.海洋勘探應(yīng)該與經(jīng)濟(jì)需求相平衡。Seaexploration

.8.隨著科技的進(jìn)步，我們可能有更多的選擇來管理這種平衡。___________________,wemay ___thisbalance.havemoreoptionsformanagingAstechnologyimprovesdodamagetotheecosystemshouldbebalancedwitheconomicneeds

用適當(dāng)?shù)倪^渡詞語，把以上詞匯和句式，再加上聯(lián)想內(nèi)容，組成一篇80詞左右的英語短文。參考范文DearEditor，Recentlyourclasshashadadiscussionabout

whetherseaexplorationshouldbecarriedout.

Someofthestudentsareinfavourofseaexploration.Theysayseaexplorationhasmadeitpossibleforpeopletodiscovernewmedicinesaswellasnewsourcesoffoodandenergy.Othersareagainstit.Althoughseaexplorationmighthelpimproveourunderstandingofthelifeontheearth，itmightbringaboutmarinepollution，whichfinallyleadstheoceancreaturestodeath.Italsomightcauseecosystemdestruction.

Yours，LiHua返回Personally，seaexplorationshouldbebalancedwitheconomicneeds.Hopefully，astechnologyimproves，wemayhavemoreoptionsformanagingthisbalance.DearEditor,

Recentlythereisaheateddebateovertheexplorationofseainourclass.

Someofthestudentssubscribetotheviewthatseaneedstobeexploredfully.That'sbecauseitwillmakeitpossibleforpeopletodiscovernewsourcesoffoodandenergy.Inaddition,itmighthelpimproveourunderstandingofthelifeontheearth.However,othersareagainstit,becausetheybelieveitmightbringaboutmarinepollution,whichfinallyleadstheoceancreaturestodeath.Worsestill,italsomightdodamagetotheecosystem.

Personally,

seaexplorationshouldbebalancedwitheconomicneeds.Hopefully,astechnologyimproves,wemayhavemoreoptionsformanagingthisbalance.

Yours,

LiHuaLanguagepoints點(diǎn)擊添加文本點(diǎn)擊添加文本點(diǎn)擊添加文本點(diǎn)擊添加文本1.Plasticpollutionisalsobad,killingmanybirdsandfishandhasevenbeenfoundinourtapwater.(Text1Para.2)塑料污染也十分嚴(yán)重，導(dǎo)致許多鳥類和魚類死亡，甚至在我們的自來水中也發(fā)現(xiàn)了塑料污染。分析：killing為v-ing，作狀語。Thehospitalhasrecentlyobtainednewmedicalequipment,_____________

(allow)morepatientstobetreated.(2017

天津)allowingLanguagepoints:Importantsentences(P32)高考鏈接1.Hearingthenoise,Iturnedround.2.Beingtooyoung,hecouldn’tjointhearmy.3.Workinghard,you’llsucceed.4.Admittingwhatshesaid,Istillthinkthatshehasn’ttriedherbest.5.Hewalkeddowntheriver,singingsoftlytohimself.6.Hisparentsdiedinthewar,leavi