人教版2023选择性必修 第四册Unit 3 Sea Exploration Using Language (Reading for Writing)课件18张

第第页人教版（2023）选择性必修第四册Unit3SeaExplorationUsingLanguage(ReadingforWriting)课件（18张）(共18张PPT)

人教版（2023）选择性必修四

Unit3SeaExploration

UsingLanguage(ReadingforWriting)

Expressyouropinionsonseaexploration

Learningobjectives

Bytheendofthissection,youwillbeableto:

findtheargumentsandevidenceoftwopassagesbyreading;

graspstructuresofthetwotexts;

discussyouropinionsaboutseaexploration;

writeanargumentativeessaytoexpressyouropinionsonseaexploration;

cooperatewithgroupmatesactivelythroughcheckingyourargumentativeessaystogether.

Lookandthink.

Lead-in

Shouldtheseabeexplored

Argumentativeessays.

Argument,evidence,restatement/recommendation/acalltoaction.

Readthefirstparagraphofthetwotextsandanswerthequestions.

Pre-writing

Whatisthetypeofthetwopassages

Whatarethethreepartsinargumentativeessay

SuggestedAnswers

Readthetwotextsbelowandfindtheargumentsandevidenceinthem.

A

EWeneedtoexploretheoceansothatwecanbetterunderstandissuessuchasacidificationwhichleadstoseawatertobecomemoreacidic,andhowtofighttheseproblems;Studyingtheoceancausesthecreationofnewtechnologiesthatcanhelpusinotherareas.

Ingroups,discussthefollowingquestionsandtakenotes.

WhatisyouropinionaboutseaexplorationDoyouagreewithoneargumentmorethantheother

HasyouropinionchangedafterreadingthetwotextsWhyorwhynot

Arethereanyotheraspectsofseaexplorationnotmentionedthatyouthinkareimportant

SuggestedAnswers

Basedonyournote,writeanargumentativeessayonseaexploration,expressingyouropinionswithsupportingfacts.

While-writing

Edit.

Post-writing

Self-editing.

Aremyopinionsclearanddomyfactssupportmyopinions

Doesmyinformationfloweasilyfromoneparagraphtoanother

DoIstayfocusedonmypointofviewthroughoutthewriting

DoIsavethemostcompellingorstrongestpointfortheendofthepaper

DoesmywritingmakesenseAmIconvincedWillmyreadersbeconvinced

Peer-editing.

Evaluation.

Eventhoughtheoceansmakeupabout70%oftheearth’ssurface,morethan80%oftheoceansremainunexplored.Whilesomepeoplesaythatweshouldnotexploretheoceans,theirreasoningisnotverysound.Exploringisnotthesameasexploiting.Whenweexploreaplace,wegojusttoseeandunderstandwhatisthere.

Weshouldexploretheocean,firstandforemost,becausewedonotknowwhatwedonotknow.Wethoughtweknewmanyabouttheocean,butwewerewrong.Therecouldbelifeformsintheocean,forexample,thatfitnoneoftheneatcategorieswehaveforlifewhilewehavenocluethattheyevenexist.

Thisbringsupthesecondpoint.Wealreadyknowmanythingsabouttheocean,butweneedtolearnmore.Agoodexampleisoceanacidification.Weknowthatitiscausingcoraltodie.Weknowthatusinglessfossilfuelwouldcausetheprocesstoslowdown.However,weneedtolearnmoretofindouthowtostopit.Weneedmoreresearchtoseewhatisgoingon,andtocomeupwithplansandsolutions.

Finally,todothisresearch,wehavetoenteranextremeenvironmentnotveryfriendlytohumans.Thisrequiresthedevelopmentofnewtechnologiesthatcanalsobenefitusinotherareas.Forexample,inmanyways,thedeepoceanresemblesouterspace.Thetechnologiescanbenefiteachother.Foranotherinstance,thetechnologyofamechanicalarmtocollectsampleswithhasbeenusedinfactoriesanddevelopmentofartificiallimbsforhumans.

Allinall,therearemanygoodreasonstoexploretheoceans.Ifwecareaboutscience,aboutprotectingouroceans,andaboutdevelopingnewtechnologies,weneedtodoallwecantosupportoceanexploration.

SampleWriting

WordsandExpressions

Theseaishometolife,nothumanbeings’possessions.(P32)

海洋是生命的家园，而不是人类的私产。

possession/pzen/n.[usuallypl.]个人财产；拥有；控制

搭配

personalpossessions个人财产

get/take/gain/havepossessionof拥有；占有（动词短语）

beinpossessionof占有；拥有；持有（介词短语）

beinthepossessionofsb.=beinsb.’spossession为某人所有；在某人的控制下（介词短语）

例句

Hewaschargedwithpossessingashotgunwithoutbeinginpossessionofalicense.

他被指控无证持有猎枪。

1

Opponentsmaybeconcerned,butseaexplorationisimportantforourfuture.(P32)

反对者也许会忧心忡忡，但是海洋探索对我们的未来十分重要。

opponent/pnnt/n.反对者；对手；竞争者

搭配

politicalopponents政敌

adangerous/worthyopponent一个危险的/可敬的对手

opponentsoftheviolence暴力的反对者

例句

Itissaidthatouropponentisgreat,soourteamwillbetrainedeverydayafterschoolfromtomorrowtowinthegame.

据说我们的对手很厉害，所以我们队从明天开始每天放学后都要训练以赢得

比赛。

2

Loggingnewspecieswillimproveourunderstandingoflifeontheearth.(P32)

记载新物种将提升我们对地球上的生命的了解。

log/lɡ/vt.把……载入正式记录；记录n.正式记录；日志；原木

搭配

login/on登录，进入（计算机系统）

logout/off注销，退出（计算机系统）

keepalog记日志（尤指航海/飞行日志）

logsforthefire烧火用的木材

例句

Usingthecomputerin