Unit+6+Earth+first+Understanding+ideas+课件 【高效课堂+精研精讲】高中英语外研版（2019）必修第二册

Understandingideas

Unit6EarthFirst

Whatdoyouthinkofsharks?Tickthewordsthatyouwouldusetodescribesharks.Addanymoreyoucanthinkof.dangerouspowerfulendangeredinterestingman-eatingterrifyingcuteintelligenthugeMore:________Nowcompareyourchoiceswiththeclass.Sharewhatyouknowaboutsharks.Haveyouheardaboutthisfilm?Sharesomeinformationwithyourclassmates.1.releasetime:_____2.director:

________3.Actors:_________4.Plot:______________________Lookatthepictureandthetitleonpage63.

Willsharksbedangerousorendangered?Whatisyouropinion?Why?fin

鱼鳍While-readingReadthepassageandfindouthowsharksaredescribedinthefilmJaws.SHARKS:DANGEROUSORENDANGERED?鲨鱼：危险动物还是濒危动物？

Weseeawomanswimmingatnightinadarksea.Suddenly,sheispulledunderwater.Shesurfaces,criesinfear,thendisappearsforever.Thisistheopeningscenefromthe1975filmJaws,showingasharkattack.

我们看到一个女人夜晚在漆黑的海水里游泳。突然，她被什么东西拖到水下。她挣扎着浮出水面，发出惊恐的尖叫，然后就彻底消失了。这是1975年上映的电影《大白鲨》的开场画面，呈现了鲨鱼攻击人类的画面。1.infear

害怕

infearof对…的担心中;对…的恐惧中

forfearof惟恐;以免Shesurfaces,criesinfear,thendisappearsforever.Thisistheopeningscenefromthe1975filmJaws,showingasharkattack.句意：她挣扎着露出水面，发出惊恐的尖叫，然后就彻底消失了。这是1975年上映的电影《大白鲨》的开场画面，呈现了鲨鱼攻击人类的那一幕。Shewasafraidtosayanythingtothem________hurtingtheirfeelings.例2:她不敢对他们说什么，惟恐伤害他们的感情。forfearofTheelderlylive________assaultandmurder.例1：老年人生活在对袭击和谋杀的恐惧中。infearof2.opening

开始，开场，开局

openvi.开始；展现Shesurfaces,criesinfear,thendisappearsforever.Thisistheopeningscenefromthe1975filmJaws,showingasharkattack.句意：她挣扎着露出水面，发出惊恐的尖叫，然后就彻底消失了。这是1975年上映的电影《大白鲨》的开场画面，呈现了鲨鱼攻击人类的那一幕。Theyreturnedtoplayintheseason's_______game.例：他们回来参加了本赛季的首场比赛。opening

Ittellsthestoryofagreatwhitesharkthatattacksandkillsswimmers.Jawswasagreatsuccess,attractinghugeaudiencesandwinningmanyawards.Itstrengthenedpeople’slong-heldideaofthegreatwhitesharkasadangerousanimal.电影讲述了一条大白鲨袭击并杀死游泳者的故事。电影大获成功，吸引了大量观众并赢得了众多奖项。这部电影也加深了人们对大白鲨的固有印象：这是一种危险的动物。Peoplehavealwaysbeenscaredofsharks,butJawsmadethingsworse.Itmadepeoplefrightenedofsharks,especiallyofthegreatwhiteshark.Manypeoplewhosawthefilmstartedtobelievethatsharkswerebadanimalsthatatehumans.Somepeoplestoppedswimminginthesea,afraidofthehorriblecreaturefromthefilm.人类本就害怕鲨鱼，而电影《大白鲨》使这种情况变得更糟。让人们对鲨鱼，特别是大白鲨，心生恐惧。许多看过这部电影的人开始相信，鲨鱼是吃人的有害动物。有些人因为害怕遇到电影里描述的这种可怕生物再也不去海里游泳了。1.bescaredof(sth/doing)害怕…；对…感到恐惧【同义短语】befrightedof/beafraidof(sth/doing)bescaredtodo害怕去做某事

Peoplehavealwaysbeenscaredofsharks,butJawsmadethingsworse.Itmadepeoplefrightenedofsharks,especiallyofthegreatwhiteshark.句意：人类本来就害怕鲨鱼，而电影《大白鲨》加深了这种恶劣印象，让人们对鲨鱼，特别是大白鲨，心生恐惧。Heisscared________theexams.例2:他害怕参加考试。totakeHeisscaredof_________inthedarkness.例1：他害怕在黑暗中行走。walking2.makesthworse

使...更糟糕Peoplehavealwaysbeenscaredofsharks,butJawsmadethingsworse.Itmadepeoplefrightened

ofsharks,especiallyofthegreatwhiteshark.We must make _____________. 例2:我们必须净化河水。The good news made us ______. 例1：这个好消息使我们兴奋。excitedmake作使役动词表示“使；使成为”，用法如下：“make+宾语+宾语补足语”，其中的宾语补足语可以是不带to的不定式、过去分词、形容词或名词。the riversclean Otherpeoplestartedfishingforsharks,killingasmanyastheycould.Atthattime,nobodycaredifsharkswerekilled,orhowmanywerekilled.Peoplejustwantedthemkilled.而另外一些人则开始无所顾忌地捕杀鲨鱼。当时，没人在意鲨鱼是否杀死，也没人在意杀了多少。人们认为鲨鱼死有余辜。

After1975,thenumberoflargesharksaroundAmericafellquickly,andsoonfellaroundtheworld.Thiswasnotonlyduetofearofsharks,butalsofinning.Finningisatypeoffishingwheresharksarecaughtandtheirfinscutoff.1975年之后，在美国附近海域里，大型鲨鱼的数量迅速下降，这一趋势很快蔓延到全球。这不仅仅是因为人类对鲨鱼的恐惧，还因为采割鱼鳍。采割鱼鳍是一种捕猎活动，人们捞到鲨鱼后将其鱼鳍割下1.notonly...but(also)...”不仅，而且...”在句中常用来连接两个对等的成分，also可以省略。Thiswasnotonly

duetofearofsharks,butalso

finning.句意：这不仅仅是因为人类对鲨鱼的恐惧，还因为采割鱼鳍。当连接两个主语时，谓语动词遵循“就近原则”。例：1.Not only Zhou Xia but also her parents _____fondof watching football matches.2.Not only you but also he ___ tired of having one examination after another.are

isMrHill________lecturetwicetomorrow.2.希尔先生预定明天演讲两次。2.dueto

由于；因为；应归于；归因于

bedue(to)应付的，应到的，预期的Thiswasnotonly

duetofearofsharks,butalso

finning.句意：这不仅仅是因为人类对鲨鱼的恐惧，还因为采割鱼鳍。Theprogramfailed______lackofmoney.例：1.那项计划由于资金不足而失败。dueto isduetoThesharksarethrownbackintotheseawheretheydieslowlyandpainfully.Thefinsareusedinsharkfinsoup.Finningkillsmillionsofsharksayear.鲨鱼被扔回海里中缓慢而痛苦地死去，割下的鱼鳍用来做鱼翅汤。每年有数百万的鲨鱼因此丧命。FinningwouldhaveanunexpectedeffectuponPeterBenchley,themanwhowrotethebookthefilmJawswasbasedon.In1980,Benchleywasdivingwhenhecameacrossanawfulsight.Itwasanareawherefishermenwerefinning,andtheseafloorwascoveredwithdeadsharks.Benchleysawsharksbeingkilledandthiscausedadeepchangeinhim.鱼鳍采割活动对《大白鲨》电影的原著作者——彼得·本奇利产生了意想不到的影响。1980年，本奇利在潜水时看到了可怕的一幕：渔民们正在这片海域采割鲨鱼的鱼鳍，海底遍布了死去的鲨鱼。本奇利亲眼目睹鲨鱼被杀，这引起了他内心的深刻转变。【句法分析】thefilmJawswasbasedon是定语从句，修饰book。FinningwouldhaveanunexpectedeffectuponPeterBenchley,themanwhowrotethebookthefilmJawswasbasedon.句意：鱼鳍采割活动对《大白鲨》电影的原著作者——彼得本奇利产生了出乎意料的影响。Paraphrase:PeterBenchleydidnotexpectthatfinningwouldhaveagreateffectonhim.Hewastheauthorofabook,whichthefilmJawswasbasedon.effectn.影响；效果；作用affectvt.影响；感染haveaneffecton/uponsth对有影响力=haveaninfluenceon/uponaffectsb/sth=influencesb/sth影响某人、某事FinningwouldhaveanunexpectedeffectuponPeterBenchley,themanwhowrotethebookthefilmJawswasbasedon.例1：我认为这种制度不会对我们学校产生很大的影响。Idon'tthinkthiskindofsystemwill___________________ourschool.effectonhaveagreat例2：我的嗓子总是受恶劣天气的影响。Mythroat__always________bybadweather.isaffactedbase...on以……为根据”，baseAonBbebasedon“以……为根据”；“基于……”AbebasedonBFinningwouldhaveanunexpectedeffectuponPeterBenchley,themanwhowrotethebookthefilmJawswasbasedon.句意：鱼鳍采割活动对《大白鲨》电影的原著作者——彼得本奇利产生了出乎意料的影响。例1：爱迪生的想法是建立在科学实验的基础上的。Edison______hisideas___scientificexperiment.basedon例2：那故事是根据现实生活而写的。Thestory__________reallife.isbasedon1.

when引导时间状语从句。句型结构如下：...was/weredoingsthwhensbdidsth.正在做某事时,突然……...was/wereabouttodosthwhensbdidsth.正要做某事时,突然……例1:我正在读书，这时铃响了。I___________abookwhenthebell_____.In1980,Benchleywasdivingwhenhecameacrossanawfulsight.Itwasanareawherefishermenwerefinning,andtheseafloorwascoveredwithdeadsharks.句意：1980年，本奇利在潜水的时候看到了可怕的一幕：渔民们正在这片海域采割鲨鱼的鱼鳍，海底遍布着鲨鱼的尸体。wasreadingrang2.

comeacross

偶然发现;偶然遇见=dropacross/meetupwithWhenyou___________somethingimportant,writeitdown.例:当你遇到重要的事情时，把它记下来。

In1980,Benchleywasdivingwhenhecameacrossanawfulsight.Itwasanareawherefishermenwerefinning,andtheseafloorwascoveredwithdeadsharks.例2：我刚要外出就下起了雨。I___________goout______itbegantorain.

wasabouttowhencomeacross例2：布朗医生说，伤口应该用清洁干燥的绷带包扎。Dr.Brownsayscutsshould______________aclean,drybandage.3.

becoverdwith

被……盖满；充满着……

cover...with...用……覆盖______thefish____acleanpieceofwhiteclothandletthemdry.例1:用干净的白布把鱼裹起来使其变干。

In1980,Benchleywasdivingwhenhecameacrossanawfulsight.Itwasanareawherefishermenwerefinning,andtheseafloorwascoveredwithdeadsharks.becoveredwithCoverwithHecametoseepeopleasadangertosharks,ratherthantheotherwayround.Fromthatdayon,hefoughttoprotectsharks.Headmittedthathisbookwaswrongaboutsharks’behaviour.“Sharksdon’ttargethumans,”hesaid.Expertshaveprovedthatsharksdonotseepeopleasfood,andtheyattackusbymistake.Onlyaroundsixpeoplearekilledbysharkseveryyear.他意识到人类才是鲨鱼的威胁，而鲨鱼并非人类的敌人。从那天起，他开始为保护鲨鱼而努力。他承认自己书中关于鲨鱼行为的描述是不正确的。“鲨鱼并不以人类为攻击目标。”他说。专家们也已经证明了鲨鱼不会将人类视为食物，它们对人类的攻击都是无意的。专每年因鲨鱼攻击致死的人数在六人左右。1.

see...as...

把……看做……Hecametoseepeopleasadangertosharks,ratherthantheotherwayround.句意：他意识到人类才是鲨鱼的威胁，而鲨鱼并非人类的敌人。例:许多印度尼西亚人将美国总统视为本地人。ManyIndonesians____theU.S.president___anativeson.seeas2.

theotherwayround相反例：你从这个方向卷胶卷，不是从相反的方向。Youslidethefilminthiswayround,___________________.wayroundnottheotherFortunately,noteveryonewhowatchedthefilmJawsbecameafraidofsharks—somebecameinterestedinunderstandingthem.Today,aswelearnmoreaboutsharks,morepeoplethaneverwanttoprotectthemfromextinction.幸运的是，并非每个看过《大白鲨》这部电影的人都变得害怕鲨鱼——有些人变得更有兴趣去了解它们。如今，随着我们对鲨鱼了解的加深，越来越多的人愿意去保护它们免遭灭绝。HowaresharksdescribedinthefilmJaws?

Sharksaredescribedinthefilmasdangerousandbadanimalsthateathumans.Choosetheauthor'spurposeinwritingthepassage.1

TocriticisePeterBenchley'smisleadingdescriptionofsharksinhisbookandadvocatetheprotectionofsharks.2Toexplainpeople'smisunderstandingofsharksandraiseawarenessofsharkprotection.3Toinformpeopleaboutsharksandrecommendthefilmandthebooktothem.

Organizethestructureofthepassage.Sharks:DangerousorEndangerd?Para_________dangerous.Para___+Para4_____________.Para5Morepeoplewantto_________________.1and23endangerdprotectsharksfromextinctionTrueorFalse

1.Jawschangedpeople’sideaofthegreatwhitesharkasadangerousanimals.2.

SomepeopleareafraidofswimmingintheseabecausetheysawJaws.3.After1975,thenumberoflargesharksaroundSouthAmericafellquickly.4.Peoplecutoffthefinsandthenthrowsharksontothebeachwheresharksdieslowlyandpainfully.

5.Benchleybegantoprotectsharksafterherealizedthathisbookwaswrongaboutsharks'behaviour.TFFFTCompletethechart

showinghowattitudestowardssharkshavechangedwithwordsandexpressionsfromthepassage.Peoplehaveanormalfearofsharks.Peoplehavealwaysbeenscaredofsharksbecausetheyareconsidered1___________________.Peoplearemorefrightenedofsharks.PeoplewhosawthefilmJawsbelieved2___________________________________.Somepeoplestopped3__________________whileothersstartedto4_______________.Thenumberoflargesharksfellquicklydueto5____________________.asdangerousanimalsshar