1、Earth firstSharks:Dangerous or Endangered?learning objective1.To learn the purpose of the passage.2.To learn the main idea of each paragraph and the changes of peoples attitudes to sharks.3.To summarize the passage and feel the importance of protecting animals.lead-in What words would you use to des
2、cribe this shark?dangerousdangerousman-eatingman-eatingterrifyingterrifyingscaryscaryfiercefierceocean giantocean giantsharp teethsharp teethendangereendangered?d?Sharks:dangerous or endangered?Sharks:dangerous or endangered?Whats the authors purpose in writing the passage?To explain peoples _ of sh
3、arks and raise awareness of _.impressions/misunderstandiimpressions/misunderstandingsngsprotecting sharks/sharks protecting sharks/sharks protectionprotectionUnderstanding ideasWhat idea is strengthened by the movie Jaws?What happened to sharks when this idea is strengthened?Finish the chart to comp
4、are Peter Benchleys attitude towards sharks.Understanding ideasWhat idea is strengthened by the movie Jaws?What happened to sharks when this idea is strengthened?Finish the chart to compare Peter Benchleys attitude towards sharks.Peoples long-held idea of the great white shark as a dangerous animal.
5、People started fishing for sharks,killing as many as they could.After 1975,the number of large sharks fell quickly,not only due to fear of sharks,but also finning.He wrote the book He wrote the book the film Jaws was the film Jaws was based on.based on.1.He saw sharks being killed,1.He saw sharks be
6、ing killed,which caused a deep change in which caused a deep change in him.him.2.He fought to protect sharks.2.He fought to protect sharks.3.He admitted that his book 3.He admitted that his book was wrong about sharks was wrong about sharks behavior.behavior.dangerousdangerousare a danger toare a da
7、nger todont dont target target SummaryFill in the blanks using the expressions from the text.The famous horror film Jaws,which _ of a great white shark and was a great success,strengthened peoples _ belief that sharks were dangerous animals.Some people who saw the film were more _ sharks while other
8、s started fishing for sharks,_ as many as they could.As a result,the number of sharks fell quickly due to both fear of sharks and _.Peter Benchley,the writer of the book the film Jaws _,once _ an awful scene of finning when _.From then on,his attitude towards sharks changed.He came to see people as
9、_sharks,rather than _.In fact,sharks wont target people unless_.Today,as we learn more about sharks,more people begin to _.SummaryFill in the blanks using the expressions from the text.The famous horror film Jaws,which tells the story of a great white shark and was a great success,strengthened peopl
10、es long-held belief that sharks were dangerous animals.Some people who saw the film were more frightened of sharks while others started fishing for sharks,killing as many as they could.As a result,the number of sharks fell quickly due to both fear of sharks and finning.Peter Benchley,the writer of t
11、he book the film Jaws was based on,once came across an awful scene of finning when diving.From then on,his attitude towards sharks changed.He came to see people as a danger to sharks,rather than the other way round.In fact,sharks wont target people unless by mistake.Today,as we learn more about shar
12、ks,more people begin to protect them from distinction.Step three:Analyze some important sentences(1)We see a woman swimming at night in a dark sea.我们看见一个女人晚上在深色的海里游泳。分析：see a woman swimming (see+宾语+doing做宾补:“看见某人正在做事”)doing做宾补,表示与宾语之间是主动关系，且表示正在进行。【知识链接】see sb.do (与sb.是主动关系，动作完成)see sb./sth.done (表示
13、与宾语是被动关系)【实战演练】a.I saw him going out when I came in.b.I saw him go out.c.I saw the boy beaten by his father just now.(2)She surfaces,cries in fear,and then disappears forever.(这个句子是这个句子是3个并列谓语个并列谓语，正式的语法结构，正式的语法结构，do,do，and do。原文不太正式。原文不太正式)她浮出水面，恐惧地叫喊，之后永远地消失了。她浮出水面，恐惧地叫喊，之后永远地消失了。【知识链接知识链接】容易与分词做状
14、语混淆容易与分词做状语混淆-看清结构与意义。看清结构与意义。a.He put on his coat,picked up his bag,and then went out.b.He went out,leaving the door open.(3)This is(3)This is the opening scene the opening scene from the 1975 film Jaws,from the 1975 film Jaws,showingshowing a shark attack.a shark attack.这是这是19751975年电影大白鲨的开场镜头，展示了
15、鲨鱼攻击的场景。年电影大白鲨的开场镜头，展示了鲨鱼攻击的场景。把此句转变为定语从句做定语：把此句转变为定语从句做定语：This is the opening scene from the 1975 film Jaws,This is the opening scene from the 1975 film Jaws,which shows which shows a shark attack.a shark attack.(4)Jaws was a great success,(4)Jaws was a great success,attractingattracting huge audie
16、nces and huge audiences and winningwinning many awards.many awards.大白鲨大获成功，吸引了大批观众，赢得了许多奖项大白鲨大获成功，吸引了大批观众，赢得了许多奖项。attracting and winning attracting and winning 这一部分是这一部分是现在分词做伴随状语。现在分词做伴随状语。a great success a great success 是抽象名词具体化，类似的词还有是抽象名词具体化，类似的词还有failure,success,failure,success,surprise,surpris
17、e,honor,honor,comfort,pitycomfort,pity(5)It(5)It strengthenstrengthened peoples ed peoples long-heldlong-held idea of the great white shark as idea of the great white shark as a dangerous animal.a dangerous animal.这加强了人们长期以来持有的大白鲨是种危险动物的认知观念。这加强了人们长期以来持有的大白鲨是种危险动物的认知观念。与与strengthenstrengthen类似的构词：类似
18、的构词：shortshortenen；broaden;widebroaden;widen n;lengthen;lengthen 另一形式：另一形式：enenrichrich；enencourage;courage;enenlargelarge(6)People have always been(6)People have always been scared of scared of sharks,but Jaws made things worse.sharks,but Jaws made things worse.人们一直都害怕鲨鱼，但大白鲨让情况变得更糟糕。scare v.scare
19、v.使害怕使害怕 adj.scaryadj.scary令人害怕的令人害怕的;scared;scared感到害怕的；感到害怕的；短语：短语：scare sb.away/offscare sb.away/off把把吓跑吓跑 be scared of be scared of 害怕害怕 Seeing the Seeing the scary scary film,Linda was almost film,Linda was almost scaredscared to death.to death.(7)It(7)It made people frightened of made people f
20、rightened of sharks,especially sharks,especially ofof the great white shark.the great white shark.它使人们更加恐惧鲨鱼，尤其是大白鲨。make+make+宾语宾语+形容词短语形容词短语(过去分词形式的形容词过去分词形式的形容词)作宾补作宾补，表示宾语所处的状态。表示宾语所处的状态。a.The book made more and more children a.The book made more and more children interestedinterested in reading.
21、in reading.b.The boss made the workers b.The boss made the workers finish finish the job within two days.the job within two days.c.He was made c.He was made to solve to solve the problem by himself.the problem by himself.(8)At that time,nobody cared(8)At that time,nobody cared if if sharks were kill
22、ed,or how many sharks were killed,or how many were killed.People just were killed.People just want them killed.want them killed.那时，没有人关心鲨鱼是否被杀了，以及有多少鲨鱼被杀了。人们只想要他们死掉。carecare后接后接if if引导的宾语从句；引导的宾语从句；want+want+宾语宾语+过去分词作宾补（与宾语之间是被动关系）过去分词作宾补（与宾语之间是被动关系）医生们不在乎他们自己是否将被感染医生们不在乎他们自己是否将被感染(infect)(infect)。
23、他们想要病人们被拯救。他们想要病人们被拯救。Doctors dont care if/whether they will be infected.Doctors dont care if/whether they will be infected.They want patients saved.They want patients saved.(9)This was(9)This was not only not only due to due to fear of sharks,fear of sharks,but also but also finning.finning.Finning
24、 is a type of fishing Finning is a type of fishing wherewhere sharks sharks are caught are caught and their fins and their fins cut off.cut off.这不仅是因为对鲨鱼的恐惧，还因为割鳍。割鳍是一种捕鱼方式，在这种捕鱼方式中，鲨鱼被捕获，鱼鳍被割断。cut off:cut off:切掉；切掉；隔离；阻断；中断隔离；阻断；中断 due to:due to:由于由于 a.a.由于这场可怕的疾病，很多人被与外面的世界隔绝了。由于这场可怕的疾病，很多人被与外面的世界
25、隔绝了。Due to the terrible disease,many people are cut off from the outside world.Due to the terrible disease,many people are cut off from the outside world.b.b.由于工人们的努力，他们减少了成本费。由于工人们的努力，他们减少了成本费。Due to the workers efforts,they Due to the workers efforts,they cut down cut down the cost.the cost.(10)Th
26、e sharks are thrown back into the sea(10)The sharks are thrown back into the sea wherewhere they die slowly and painfully.they die slowly and painfully.鲨鱼被扔向海里，在那里它们缓慢而痛苦地死去.(11)Finning would(11)Finning would have an unexpected effect on have an unexpected effect on Peter,the man Peter,the man who w
27、ho wrote wrote the book the book the film Jaws the film Jaws was based onwas based on.割鳍带给大白鲨的原著作者彼得.本奇利预料之外的影响。have an effect/impact on have an effect/impact on 对对有影响有影响 the man the man 做做PeterPeter的同位语，其后是个定语从句，在此定语从句内部，的同位语，其后是个定语从句，在此定语从句内部，the book the book 后是省略后是省略whichwhich或或that that 的定语从句。的
28、定语从句。(12)In 1980,Benchley(12)In 1980,Benchley was diving whenwas diving when he he came across came across an awful an awful sight.sight.19801980年，本奇力正在潜水，就在那时他看到了可怕的一幕。年，本奇力正在潜水，就在那时他看到了可怕的一幕。come come短语：实现短语：实现come true come true 出版出版 come out come out 形成形成 come into being come into being 加油；快点；得了
29、吧加油；快点；得了吧 come on come on 提出提出 come up withcome up with sight sight短语短语:看见看见 catch sight of catch sight of 第一眼第一眼 at first sight at first sight 在视野外在视野外 out of sight out of sight 在视野内在视野内 in sight in sight 13.It was an area where fishermen were finning,and the sea floor was covered with dead sharks
30、.那是一片海域，渔民们正在这片海域采割鲨鱼的鱼鳍，那是一片海域，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。海底遍布着鲨鱼的尸体。where 引导定语从句，在从句中作地点状语。引导定语从句，在从句中作地点状语。14.Benchley saw sharks being killed and this caused a change in him.本奇利亲眼目睹鲨鱼被杀，这引起了他内心的深刻转变。本奇利亲眼目睹鲨鱼被杀，这引起了他内心的深刻转变。15.He came to see people as a danger to sharks,rather than the other wa
31、y round.他意识到人类才是鲨鱼的威胁，而鲨鱼并非人类的敌人。他意识到人类才是鲨鱼的威胁，而鲨鱼并非人类的敌人。the other way round:反过来，反之亦然反过来，反之亦然 Underline the important phrases Underline the important phrases 在夜晚在夜晚恐惧地恐惧地开场画面开场画面讲述讲述的故事的故事长久以来对长久以来对的看法的看法害怕害怕捕杀鲨鱼捕杀鲨鱼的数量的数量由于由于割掉，阻断割掉，阻断对对产生出乎意料的影响产生出乎意料的影响基于基于正在做正在做就在这时就在这时偶然遇到偶然遇到 at night in fear
32、 the opening scene tell the story of long-held idea of be scared/frightened of fish for sharks the number of due to/as a result of cut off have an unexpected effect on be based on be doingwhen come across 而不是而不是反之亦然反之亦然从那天起从那天起努力做某事努力做某事错误地错误地保护某人保护某人/某物免遭某物免遭 rather than rather than the other way r
33、ound the other way round from that day on from that day on fight to do sth.fight to do sth.by mistake by mistake protect from protect from Thinking and speakingDo you think sharks are dangerous or endangered?Give your reasons.Dangerous.Because the number of sharks are decreasing because of human activities,especially finning.Besides,the film Jaws is mostly dramatic and not realistic.Think and shareWhat attitude should you hold when you see movies like Jaws?We should be more critical.Homework Do you think sharks are dangerous or endangered?Give your reasons.(Within 80 words)您好，谢谢观看！Thank you!
