Unit3SeaexplorationReadingforwriting復習課課件高中英語人教版選擇性

Unit3UsingLanguage(2):ReadingandWriting復習課Inthisclass,youwill

1.reviewthelanguagefeaturesandwritingskills;2.watchavideoandfurtherdiscussaboutthebenefitsandharmfuleffectsofseaexploration;3.writeanargumentativeessayonseaexploration.

LearningObjectivesArguments1.Explorationcausespollution.2.Miningforresourcesisdamaging.3.Overfishingisanissue.1.DeepwaterHorizonoilspill.2.Plasticpollution1.IthurtstheArctic.2.Burningfossilfuelsaddstoclimatechange.1.Whalesanddolphinsarehunted.2.Banned,butsomecountriesstilldothat.

EvidencesdatacauseandeffectexamplesReviewArguments1.Seaexplorationisimportantforourfuture.2.Understandingmoreabouttheseawillalsohelpusmanageitsresourcesbetter.3.Weneednewresourcesforfuturedevelopment.Scientificresearchshipscanhelpaddressimportantissueslikeclimatechange.1.Newmedicines,foodresourcesandenergy.2.Predicteventssuchasearthquakes.Vastamountsofresourcesmaybeundertheseaandice.EvidencesexamplesReviewWritingtypeThreepartstwo____________________on______________argumentativeessaysseaexplorationargument;evidence;restatement/recommendation/acalltoactionWritingskillsexamples,statistics,causeandeffect,facts,quotes,expertopinions,personalexperienceconcise,andtothepointlanguagefeaturesReviewWhatisyouropinionaboutseaexploration?I’mnotquitesupportiveofseaexploration.Weshareoneocean.Itcovers70%oftheEarth’ssurface,andprovidestheoxygenwebreathe.Itfeedsusandregulatesourclimate.Buthumanimpactsarethreateningtheocean’sfragileecosystems,forexample,plasticwasinvadingeverylastcorneroftheworld’sseas.ThinkingWhatisyouropinionaboutseaexploration?Ithinkseaexplorationisawonderfulidea,becausewedonotknowwhatwedon’tknow.Weneedtoexploretheoceansothatwecanbetterunderstandissuessuchasacidification(酸化)whichleadstoseawatertobecomemoreacidic,andhowtofighttheseproblems.What’smore,studyingtheoceancausesthecreationofnewtechnologiesthatcanhelpusinotherareas.ThinkingRecently,yourclasshavediscussedaboutthebenefitsandharmfuleffectsofseaexploration.You’reexpectedtowritealettersharingtheresultofthediscussion.ProsConsYouropinions1.obtainmoreresourcesinthesea；2.furtherunderstandaboutthelifeontheearth1.bringaboutmarinepollution;2.threatentheocean’sfragileecosystem;

……ThinkingWritingGroupwork:brainstormmoreexpressionstostateopinionsExpressionsthatshowagreement:agreethat...approveoftheideathat...Supportersthinkthat......arefortheideathat...supportsth.Expressionsthatshowdisagreement:disagreethat...dispproveoftheideathat...Opponentsthinkthat......areagainsttheideathat...opposesth./beopposedtosth./objecttosth.WritingUsefulsentencepatternsforargumentativeessays:1.

Thereisaheateddebateovertheexplorationofsea,andfrommypointofview...2.

Whenitcomestoseaexploration,people’sopinionsdifferalot...3.Whatcallsforyourspecialattentionisthat...4.

Thereisnodoubtthat...Thereisnodenyingthat...5.Necessaryasseaexplorationis,itdoesleadto

ahandfulofproblems,including...6.

Withallabovementionedtakenintoconsideration,itisworthwhileto...7.Inconclusion,thebenefitsofseaexplorationgreatlyoutweightherisks.

Mainpoints(mainargument)

Body(sub-points&supportingideas）Conclusion(restatement&acalltoaction)Writing1.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.Puttwosentencesintoasentence.(1)Seaexplorationhasmadeitpossibleforpeopletodiscover

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

.(aswellas)hasmadeitpossibleforpeopletodiscoverhasalsomadeitpossibleforpeopletodiscover

notonlynewsourcesoffoodandenergybutalsonewmedicinesaswellasnewsourcesoffoodandenergyTranslatesentences.Writing4.海洋探索可能會導致海洋污染。Seaexplorationmight_____________marinepollution.5.海洋污染最終導致海洋生物死亡。Marinepollutionfinally____________________________.Putsentence4and5intoasentence.Seaexplorationmightbringaboutmarinepollution,____________________________________________.(非限制定語從句)bringabout

whichleadstheoceancreaturestodeath.3.海洋探索可能有助于增進我們對地球上生命的了解。Seaexplorationmighthelp

.improveourunderstandingofthelifeontheearthTranslatesentences.leadstheoceancreaturestodeathWriting6.海洋探索還可能對脆弱的海洋生態(tài)系統(tǒng)造成威脅。Seaexplorationmight____________________________________.7.海洋勘探應該與經(jīng)濟需求相平衡。Seaexploration__________________________________________.8.隨著科技的進步，我們可能有更多的選擇來管理這種平衡。____________________,wemay__________________________thisbalance.havemoreoptionsformanagingAstechnologyimprovesthreatentheocean’sfragileecosystemshouldbebalancedwitheconomicneedsTranslatesentences.Writing

DearEditor,

Recentlythereisaheateddebateoverseaexplorationinourclass.

Someofthestudentssubscribetotheviewthatseaneedstobeexploredfully.That'sbecauseitwillmakeitpossibleforpeopletodiscovernewsourcesoffoodandenergy.Inaddition,itmighthelpimproveourunderstandingofthelifeontheearth.However,othersareagainstit,becausetheybelieveitmightbringaboutmarinepollution,whichfinallyleadstheoceancreaturestodeath.Worsestill,italsomightthreatentheocean’sfragileecosystem.

Personally,

seaexplorationshouldbebalancedwitheconomicneeds.Hopefully,astechnologyimproves,wemayhavemoreoptionsformanagingthisbalance.