Unit 6 Understanding ideas 公开课（ppt课件）-2023新外研版（2019）《高中英语》必修第二册.pptx

1、Unit 6 Earth firstUnderstanding ideasWarming-up Then compare your choices with the class.Share what you know about sharks.Tick the words that you would use to describe sharks.Add any more you can think of.Pre-reading1.Release time:_2.Director:_3.Plot:_ _ _ _1975 Steven Spielberg The story was set on

2、 a beautiful island for tourists.Life there changed when a shark suddenly appeared unnoticed.Have you heard about this film?Share some information with your classmates.While-readingRead the passage and find out how sharks are described in the film Jaws.Sharks are described in the film as dangerous a

3、nd bad animals that eat humans.While-readingRead the passage and answer the questions.1.Around the year 1975,how did people feel when they killed sharks?They didnt care about killing or the death of sharks.2.How do people treat sharks today?More and more people want to protect sharks from extinction

4、.While-readingChoose the authors purpose in writing the passage.1.To criticize Peter Benchleys misleading description of sharks in his book and advocate the protection of sharks.2.To explain peoples misunderstanding of sharks and raise awareness of shark protection.3.To inform peoples about sharks a

5、nd recommend the film and the book to them.While-readingChoose the authors purpose in writing the passage.1.To criticize Peter Benchleys misleading description of sharks in his book and advocate the protection of sharks.2.To explain peoples misunderstanding of sharks and raise awareness of shark pro

6、tection.3.To inform peoples about sharks and recommend the film and the book to them.While-readingChoose the authors purpose in writing the passage.1.To criticize Peter Benchleys misleading description of sharks in his book and advocate the protection of sharks.2.To explain peoples misunderstanding

7、of sharks and raise awareness of shark protection.3.To inform peoples about sharks and recommend the film and the book to them.While-readingComplete the chart showing how attitudes towards sharks have changed with words and expressions from the passage.While-readingas dangerous animalssharks were ba

8、d animals that ate humansswimming in the seafish for sharksfear of sharks and finningWhile-reading6.was wrong about sharks behavior7.to protect8.sharks do not see people as food9.understanding sharks10.protect sharks from extinctionPost-readingJaws,(1)_(attract)huge audiences and winning many awards

9、,tells the story of a great white shark that attacks and kills swimmers.It misled people to see sharks(2)_ horrible animals,which made more sharks(3)_(kill).Besides this,because of finning,(4)_ number of large sharks around America fell quickly,and soon fell around the world.In 1980,Peter Benchley,t

10、he man who wrote the book the film Jaws(5)_(base)on came across the awful sight(6)_ the sea floor was covered with dead sharks.He admitted that his book was wrong about sharks(7)_(behave)and began to fight to protect sharks.(8)_(fortunate),more and more people became interested in(9)_(understand)the

11、m and protect them from(10)_(extinct).attractingaskilledthewas basedwherebehaviourFortunatelyunderstandingextinctionFill in the blanks according to the text.Post-reading1.How do you think Peter Benchley felt after diving in 1980?Peter Benchley might feel sad for the sharks being killed;he might feel

12、 regretful for depicting the great white shark as a dangerous animal in his book;he might also feel angry about finning.2.What other films or books do you know that feature wild animals?Do they“paint”a good or bad picture of these animals?Say how the animals are described.Think and discuss the quest

13、ions.SHARKS:DANGEROUS OR ENDANGERED?We see a woman swimming at night in a dark sea.Suddenly,she is pulled underwater.She surfaces，cries in fear,then disappears forever.This is the opening scene from the 1975 film Jaws,1showing a shark attackIt tells the story of a great white shark that attacks and

14、kills swimmers.Jaws was a great success,attracting huge audiences and winning many awards.It strengthened people s long-held idea of the great white shark as a dangerous animal.1动词动词-ing短语作定语，可改写为定语从句短语作定语，可改写为定语从句which shows a shark attack。underwater adv.在水面下在水面下surface vi.升到水面升到水面，浮浮出水面出水面long-hel

15、d长期持有的长期持有的People have always been scared of sharks,but Jaws 2made things worseIt made people frightened of sharks,especially of the great white shark.3Many people who saw the film started to believe that sharks were bad animals that ate humans.Some people stopped swimming in the sea,4afraid of the

16、horrible creature from the film.Other people started fishing for sharks,5killing as many as they couldAt that time,nobody cared if sharks were killed,or how many were killed.People just wanted them killed.scare v使使(某人某人)惊恐惊恐，吓唬吓唬After 1975，the number of large sharks around America fell quickly,and s

17、oon fell around the world.This was not only due to fear of sharks,but also finning.Finning is a type of fishing 6where sharks are caught and their fins cut offThe sharks are thrown back into the sea where they die slowly and painfully.The fins are used in shark fin soup.Finning kills millions of sha

18、rks a year.6where引导定语从句，修饰先行词引导定语从句，修饰先行词a type of fishing；cut off前省略了前省略了are。due to 由于由于，因为因为 fin v切去切去(鱼的鱼的)鳍鳍n鱼鳍鱼鳍cut off切掉；被隔绝切掉；被隔绝；切断切断(供给供给)；中断；中断Finning would have an unexpected effect upon Peter Benchley,7the man who wrote the book the film Jaws was based onIn 1980,Benchley was diving when

19、he came across an awful sight.It was an area where fishermen were finning,and the sea floor was covered with dead sharks.Benchley 8saw sharks being killed and this caused a deep change in him.He came to see people as a danger to sharks,rather than the other way round.dive v(通常指使用呼吸通常指使用呼吸设备的设备的)潜水潜水

20、go diving去潜水去潜水diver n(通常指有专用装通常指有专用装备的备的)潜水员潜水员rather than而不是而不是the other way round相反的相反的情况；颠倒过来情况；颠倒过来，反过来反过来From that day on,he fought to protect sharks.He admitted that his book was wrong about sharks behaviour.“Sharks don t target humans，”he said.9Experts have proved that sharks do not see peop

21、le as food,and they attack us by mistakeOnly around six people are killed by sharks every year.target v把把作为目标作为目标by mistake错误地错误地，无意中无意中近义词组近义词组by chance 偶然偶然，意外地意外地反义词组反义词组on purpose故意地；有意地故意地；有意地Fortunately，not everyone who watched the film Jaws became afraid of sharks some became interested in un

22、derstanding them.Today,as we learn more about sharks,more people than ever want to protect them from extinctionfortunately adv.幸运地幸运地近义近义luckily adv.幸运地幸运地extinction n灭绝灭绝，绝种绝种be threatened with extinction/in danger ofextinction 面临灭绝的威胁面临灭绝的威胁/有有灭绝的危险灭绝的危险extinct adj.已灭绝的已灭绝的，绝种的绝种的Notes1.This was n

23、ot only due to fear of sharks,but also finning.due to 由于；由造成；应支付；归功于 e.g.The flight was put off due to the heavy fog.这架班机因大雾停航。due adj.应得的；应付的；预定的be due to sb.应付给某人 be due to sb./sth.归因于某人/某物be due to do sth.预定/预期做某事表示“因为；由于”的介词短语：because of;on account of;as a result of;owing to;thanks toNotes2.In 1

24、980,Benchley was diving when he came across an awful sight.句中的when是并列连词，意为“就在这/那时”，相当于and then或and at the same time。e.g.I was thinking of this when I heard my name called.我正想着这件事，突然听到有人叫我的名字。when作并列连词时常用于以下句型中：be doing when 正在做这时be about to do when=be on the point of doing when 正在做这时had just done wh

25、en 刚做了这时Notes 3.Fortunately,not everyone who watched the film Jaws became afraid of sharks some became interested in understanding them.本句中not everyone是部分否定，意为“不是每个人”。e.g.I hate to disillusion you,but not everyone is as honest as you.我实在不愿把实情告诉你，但并非人人都像你那样诚实。(1)英语中的all,both,each,every,everybody,ever

26、ything,completely,whole,entirely等具有总括意义的代词、形容词和副词与否定词not连用，无论not位置如何，均构成部分否定，表示“并非都”的意思。(2)若表示完全否定，可借助于no,none,no one,nobody,nothing,neither,never等。AssignmentLets make our own V-blog video clip to inform the public of endangered wild lives around the world and correct peoples misunderstandings of them.Tips:To prepare for it,find films or books you know that feature wild animals.Gather information and describe the animals trouble or show scientific facts about them.Goodbye!