2021版外研版必修二英语Unit 6 Earth first Understanding ideas ppt课件.pptx

1、Earth first Sharks:Dangerous or Endangered? learning objective 1. 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. What was the woman doing? Wou

2、ld you do so like the woman in the picture? Why? Sharks: dangerous or endangered? Choose the authors purpose in writing the passage. Get the main idea for each paragraph: Para.1-Jaws _ peoples long-held ideas:_. Para.2-Jaws made people more _ of sharks. Para.3-The number of large sharks_. Para.4-Pet

3、er Benchley and experts ideas of sharks: Sharks dont_ humans. Para.5-The fortunate thing for sharks: More people want to _. strengthened white sharks are dangerous animals scared/frightened fell quickly target protect sharks from extinction 2.Detailed reading Read the passage in detail and complete

4、the chart. as dangerous animals People have a normal fear of sharks People have always been scared of sharks because they are considered _ _. People are more frightened of sharks People who saw the film Jaws believed _. Some people stopped_ while others started to_. The number of large sharks fell q

5、uickly due to_. More people are against finning and wish to protect sharks Peter Benchley admitted that his book_ and fought _ them. Experts have proved that_, and they attack us by mistake. Some people became interested in_ and more are willing to_. sharks are bad animals swimming in the sea fishin

6、g for sharks, fear of sharks and finning was wrong about sharks behaviour to protect sharks dont see people as food understanding sharks protect them from extinction killing as many as possible 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

7、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，且表示正在迚行。 【知识链接】see sb. do (与sb.是主动关系，动作完成) see sb./ sth. done (表示与宾语是被动关系) 【实戓演练】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

8、 then disappears forever. (这个句子是3个并列谓语，正式的语法结构，do, do， and do。原文不太正式) 她浮出水面，恐惧地叫喊，之后永进地消失了。 【知识链接】容易与分词做状语混淆-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. 【实戓演练】a.每天早上，他穿上衣服，吃了早饭，去上学。 Suggested answer: He puts on his coat, has breakfast

9、and goes to school. (3)This is the opening scene from the 1975 film Jaws, showing a shark attack. 【句子分析】showing a shark attack修饰Jaws，做后置定语。 这是1975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： This is the opening scene from the 1975 film Jaws, which shows a shark attack. 【实戓演练】这个实验大大失败，引起了很多争论。 Suggested an

10、swer: The experiment was a great failure, causing many arguments. (4) Jaws was a great success, attracting huge audiences and winning many awards. 大白鲨大获成功，吸引了大批观众，赢得了许多奖项。 attracting and winning 这一部分是现在分词做伴随状语。 a great success 是抽象名词具体化，类似的词还有failure, success, surprise, honor, comfort, (5)It strength

11、ened peoples long-held idea of the great white shark as 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。 与strengthen类似的构词：shorten； broaden; widen; lengthen 另一形式：enrich；encourage; enlarge (6) People have always been scared of 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.使害怕 adj

12、. scary令人害怕的; scared感到害怕的； 短语： scare sb. away/off把吓跑 be scared of 害怕 Seeing the scary film, Linda was almost scared to death. (7)It made people frightened of sharks, especially of the great white shark. 它使人们更加恐惧鲨鱼，尤其是大白鲨。 make+宾语+形容词短语(过去分词形式的形容词)作宾补， 表示宾语所处的状态。 a. The book made more and more childr

13、en interested in reading. b. The boss made the workers finish the job within two days. c. He was made to solve the problem by himself. (8)At that time, nobody cared if sharks were killed, or how many were killed. People just 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。 care后接if引导的宾语从句；wa

14、nt+宾语+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(infect)。他们想要病人们被拯救。 Doctors dont care if/whether they will be infected. They want patients saved. (9)This was not only due to fear of sharks, but also finning. Finning is a type of fishing where sharks are caught and their fins cut off. 这不仅是因为对鲨鱼的恐惧，还因为割鳍。割

15、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: 切掉； 隔离；阻断；中断 due to : 由于 a.由于这场可怕的疾病，很多人被与外面的世界隔绝了。 Due to the terrible disease, many people are cut off from the outside world. b.由于工人们的努力，他们减少了成本费。 Due to the workers efforts, they cut down the cost. (10) Finning would have an unexpected effect on Peter, th

16、e man who wrote the book the film Jaws was 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 对有影响 the man 做Peter的同位语，其后是个定语从句，在此定语从句内部， the book 后是省略which戒that 的定语从句。 (11) In 1980, Benchley was diving when he came across an awful sight. 1980年，本奇力正在潜水，就在那时他看到了可怕的一幕。 come短语：实现come true 出版

17、 come out 形成 come into being 加油；快点；得了吧 come on 提出 come up with sight短语: 看见 catch sight of 第一眼 at first sight 在视野外 out of sight 在视野内 in sight 12.It was an area where fishermen were finning, and the sea floor was covered with dead sharks. 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。 where 引导定语从句，在从句中作地点状语。 13

18、.He came to see people as a danger to sharks, rather than the other way round. 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 Retell peoples change in their attitudes towards sharks. Use proper linking words when necessary to make your talk well organized. You can refer to this structure: Before the movie Jaws, Then, the movie Jaw strengthened As a result, However, when Peter Benchley saw an awful sight , he changed his attitude. Fortunately, Thank you!