Unit6 Earth first Starting out&Understanding Ideas课件-2024-2025学年高中英语外研版（2019）必修第二册

新外研社高中英语必修二Unit6Earth First Starting Out&Understanding Ideas water pollution air pollution plastic pollution global warming waste disposal soil pollution What environmental problem does each picture refer to? overpopulation deforestation What environmental problem does each cartoon refer to? water pollution deforestation 滥伐森林 air pollution global warming 4 While-viewing What’s the video mainly about? dangerous man-eating terrifying fierce horrible scary powerful huge Is that true? What’s your feeling ? SHARKS: Dangerous or Endangered? Developing ideas Sharks: Dangerous or Endangered? Part 1: (para. __& para. __) Sharks are ___________ Part 2:(Para. __ & Para.__) Sharks are ____________ Part 3:(para. __) Sharks are being ___________ dangerous endangered protected 1 2 3 4 5 Fast reading---The Structure Question Analysis(分析） conclusion Exposition(说明文） Time: opening scene: What: Achive- ment: Effects: in 1975 is pulled, surfaces, cries in fear, disappears a shark--------a swimmer awards & audience long-held idea ↑ kills 1 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, showing a shark attack. It tells the story of a great white shark that attacks and 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. Careful reading: Read para. 1 and answer the question. 2 People have always been scared of sharks, but Jaws made things worse. It made people frightened of sharks, especially of the great white shark. Many people who saw the film stopped swimming in the sea, afraid of the horrible creature from the film. Other people started fishing for sharks, killing as many as they could. At that time, nobody cared if sharks were killed, or how many were killed. People just wanted them killed. Careful reading: Read para. 2 and answer the question. What is the impact of this film? It made people more ___________ of sharks. Some people__________________ because of ________, while others see it as _______________ and started_____________. frightened stopped swimming fear bad animals killing them In people’s eyes, sharks are ___________and should be ______. dangerous killed What’s the result? The number of large sharks around American fell quickly, and soon fell around the world. Reason 1 Reason 2 People believed ____________________ ______________. So they killed so many sharks. People 2. ______________ to make shark fin soup to enjoy and make money. sharks were bad animals and ate humans finned sharks After 1975, the number of large sharks around America fell quickly, and soon fell around the world. 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. The 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 sharks a year. Careful reading: Read para. 3 and answer the question. Time Things Peter Benchley did Peter Benchley’s views on sharks Before 1975 After 1980 wrote a book which the film Jaws was based on dangerous and frightening animals fought to protect sharks and admitted that his book was wrong People were a danger to sharks. Sharks don’ t target humans. 4 Finning would have an unexpected effect upon Peter Benchley, the man who wrote the book the film Jaws was based on. In 1980, Benchley was diving when he came across an awful sight. It was an area where fishermen were finning, and the sea floor was covered with dead sharks. Benchley saw 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. 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. Experts have proved that sharks do not see people as food, and they attack us by mistake. Only around six people are killed by sharks every year. Careful reading: Read para. 4 and answer the question. How does people’s attitude towards sharks change? 5 Fortunately, not everyone who watched the film Jaws became afraid of sharks -- some became interested in understanding them. Today, as we learn more about sharks, more people than ever want to protect them from extinction. Careful reading: Read para. 5 and answer the question. be interested want to protect be scared learn more, understand Understanding ideas 3. Choose the author’s purpose in writing the passage. 1 To criticise Peter Benchley’s misleading description of sharks in his book and advocate the protection of sharks. 2 To explain people’s misunderstanding of sharks and raise awareness of shark protection. 3 To inform people about sharks and recommend the film and the book to them. Understanding ideas 4. Complete the chart showing how attitudes towards sharks have changed with words and expressions from the passage. People have a nomal fear of sharks. People have always been scared of sharks because they are considered 1 . People are more frightened of sharks. People who saw the film Jaws believed 2 . . Some people stopped 3 while others started to4 . The number of large sharks fell quickly due to 5 . . as dangerous animals sharks were bad animals that eat people swimming in the sea fish for sharks fear of sharks and finning. Understanding ideas More people are against finning and wish to protect sharks Peter Benchley admitted that his book 6 . and fought7 them. Experts have proved that 8 . and they attack us by mistake. Some people became interested in 9 and more are willing to10 . People are more frightened of sharks. People who saw the film Jaws believed 2 . . Some people stopped 3 while others started to4 . The number of large sharks fell quickly due to 5 . . sharks were bad animals that eat people swimming in the sea fish for sharks fear of sharks and finning. was wrong about shark behaviours to protect sharks do not see people as food understanding sharks protect sharks from extinction Look dangerous but in fact endangered pangolin（穿山甲） Chinese alligator (扬子鳄) Snow Leopard（雪豹） South China Tiger (华南虎) No trading, no killing. The globe is a big family. “We should love animals, as we love ourselves. We should live in harmony with every creature. ” —Xi Jinping. We should start to protect wild animals from now on. Only when we protect the wildlife can we live in harmony with nature. Please remember no matter what we do, the earth comes first. Fill in the blanks according to the text. Jaws, (1) _________ (attract) huge audiences and winning many awards, 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, the 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) them and protect them from (10) __________ (extinct). attracting as killed the was based where behavior Fortunately understanding extinction Now let’s watch a video and learn something more about sharks. Language Points 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 (表示与宾语是被动关系) 【实战演练】a. I saw him ______ （ go ）out when I came in. b. I saw him______ （ go ） go out. c. I saw the boy ______ ( beat ）beaten by his father just now. going go beaten in fear 害怕 in fear of 对…的担心中; 对…的恐惧中 for fear of 惟恐; 以免 She surfaces, cries in fear, then disappears forever. This is the opening scene from the 1975 film Jaws, showing a shark attack. 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。 She was afraid to say anything to them _____________hurting their feelings. 例2: 她不敢对他们说什么，惟恐伤害他们的感情。 for fear of The elderly in that country live ____________ assault and murder. 例1：那个国家的老年人生活在对袭击和谋杀的恐惧中。 in fear of 2. 3. 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, pity… It strengthened people’s 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… opening n. 开始，开场，开局 open vi. 开始；展现 They returned to play in the season’s _______ game. 例：他们回来参加了本赛季的首场比赛。 opening She surfaces, cries in fear, then disappears forever. This is the opening scene from the 1975 film Jaws, showing a shark attack. 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。 4. Language points 5. scare v. 使(某人)惊恐；吓唬；n. 惊吓；恐慌 scared adj. 害怕的 --- scary adj. 可怕的；恐怖的 ①It scares sb. to do sth. 做某事使人感到害怕 ②scare... away/off 把......吓跑 ③be scared to do sth. 害怕做某事 ④be scared of/that... 害怕 Understanding ideas Language points Exercise 1. It scared me (think) I took a ship alone on the rough sea. 2. When we are getting angry or (scare), out bodies also go through many physical changes. 3. The researchers had to made a fire at the edge of the forest to scare wild animals at night. 4. The little girl are scared dogs for she was bitten. to think scared away/off of Understanding ideas not only...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。当连接两个主语时，谓语动词遵循“就近原则”。 This was not only due to fear of sharks, but also 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。 例句： 1). Not only Zhou Xia but also her parents _____ fond of watching football matches. 2). Not only you but also he ___ tired of having one  examination after another. are  is 6. Mr Hill ________ lecture twice tomorrow. 2. 希尔先生预定明天演讲两次。 due to 由于；因为；应归于；归因于 be due (to) 应付的，应到的，预期的 The program failed _________ lack of money. 例句： 1. 那项计划由于资金不足而失败。 due to  is due to This was not only due to fear of sharks, but also 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。 7. Language points 8. cut off 砍/切/剪掉；停止；中断；使...与外界隔绝 cut v./n. 切；割；修剪；割破；消减；切断 ①cut down 砍到；减少；缩减 ②cut in 插嘴；打断别人说话 ③cut across 抄近路穿过 ④cut up 切碎；剁碎 Understanding ideas Language points Exercise 1. She always focused on what her friend said and seldom cut . 2. Don’t cut the tree that gives you shade. 3. We can gain some time if we cut this field. 4. Busy with his project, he felt cut from the outside. in down across off Understanding ideas effect n.影响；效果；作用 affect vt. 影响；感染 have an effect on/upon sth 对......有影响力 = have an influence on/upon affect sb/sth= influence sb/sth 影响某人、某事 例1：我认为这种制度不会对我们学校产生很大的影响。 I don’t think this kind of system will _____________ our school. have a great effect on 例2：我的嗓子总是受恶劣天气的影响。 My throat __ always __________ by bad weather. is affacted Finning would have an unexpected effect upon Peter Benchley, the man who wrote the book the film Jaws was based on. 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。 9. base...on “以……为根据” base A on B be based on “以……为根据”； “基于……” A be based on B 例1：爱迪生的想法是建立在科学实验的基础上的。 Edison ______ his ideas ___ scientific experiments. based on 例2：那故事是根据现实生活而写的。 The story __________ real life. is based on Finning would have an unexpected effect upon Peter Benchley, the man who wrote the book the film Jaws was based on. 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。 10. when引导时间状语从句, 句型结构如下：  ...was/were doing sth when sb did sth. 正在做某事时, 突然……  ...was/were about to do sth when sb did sth. 正要做某事时, 突然…… 例: 我正在读书，这时铃响了。 I ___________a book when the bell _____. In 1980, Benchley was diving when he came across an awful sight. It was an area where fishermen were finning, and the sea floor was covered with dead sharks. 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。 was reading rang 11. come across 偶然发现; 偶然遇见 = drop across / meet up with When you ___________ something important, write it down. 例: 当你遇到重要的事情时，把它记下来。 come across In 1980, Benchley was diving when he came across an awful sight. It was an area where fishermen were finning, and the sea floor was covered with dead sharks. 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。 12. come短语：实现 come true 出版 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 例2: 布朗医生说，伤口应该用清洁干燥的绷带包扎。 Dr. Brown says cuts should ______________ a clean, dry bandage. be coverd with 被……盖满；充满着…… cover...with...用……覆盖 ______ the fish ____ a clean piece of white cloth and let them dry. 例1: 用干净的白布把鱼裹起来使其变干。 be covered with Cover with In 1980, Benchley was diving when he came across an awful sight. It was an area where fishermen were finning, and the sea floor was covered with dead sharks. 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。 13. see...as... 把……看做…… He came to see people as a danger to sharks, rather than the other way round. 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: 这些印度尼西亚人将这个专家视为本地人。 These Indonesians ____ the authority ___ a native son. see as the other way round 相反 例：你从这个方向卷胶卷，而不是从相反的方向。 You slide the film in this way round, ______________ ____________. way round not the other 14. Language points 15. target v.把......作为目标；n. 目标；对象；靶子 ①be targeted at 以......为目标 ②meet/achieve/reach a target 完成/达到目标 ③set a target 制定目标 ④be on target 有望达到目标；进展顺利；正中目标 Understanding ideas Language points Exercise 1. Set (your) targets that you can reasonably hope to achieve. 2. The advert for energy drink is targeted (specific) at young people. 3. We were still right target for our deadline. 4. His job is (set) targets for limiting greenhouse gases. yourself specifically on to set Understanding ideas 16. 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, everything, 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。 17. as 引导状语从句 ①as 引导时间状语从句，强调动作同时发生，“随着...” ②as引导原因状语从句，表示“因为，由于”。 ③as引导比较状语从句，表示“像......一样”。 ④as引导让步状语从句，表示“尽管，虽然”。 Language points ⑤as引导方式状语从句，表示“按照，如同”。 Understanding ideas Understanding ideas Language points Exercise 判断as引导的状语从句，写出每个as的含义。 1. Try as he might, he couldn’t open the door. 2. I can’t run as fast as I used to. 3. You’d better have a balanced diet as the doctor told you. 4. As it is fine, we shall go out for a walk. 5. As he grew older, he became less active. 虽然 像...一样 按照 因为 随着 Lavf58.29.100 Lavf58.29.100 null 218423.3 Lavf58.20.100 null 132628.8 $$