Unit 13 第2课时 Section A 3a-3b（同步课件）-【上好课】2024-2025学年九年级英语全册同步精品课堂（人教版）

null Unit 13 We're trying to save the earth! 第2课时 Section A 3a-3b 初中英语 / 人教版 / 九年级全册 Contents Lead-in 1 Pre-reading 2 While-reading 3 Post-reading 4 Language points 5 Exercises 6 Summary 7 Homework 8 01 02 03 04 语言能力 思维品质 文化意识 学习能力 学习目标 掌握下列词汇： shark, fin, cruel, harmful, be harmful to, at the top of, chain, the food chain, ecosystem, industry, law, scientific. 掌握句型：But do you realize that you are killng a whole shark each time you enjoy a bowl of shark fin soup? 运用careful reaidng阅读策略，能获取细节信息，正确填出“每年被捕捉和贸易的鲨鱼数量”等具体信息,了解人类捕捉鲨鱼获取鱼翅，破坏生态平衡的情况。 增强关爱动物，保护动物意识，呼吁人们保护鲨鱼。No trading, No Killing! 通过运用fast reading阅读策略，能正确把握段落中各句子之间的逻辑关系，找出文章的主题和各段落大意 0 1 Lead-in Lead-in Let’s take action (采取行动) Recycle books and paper. Take buses instead of driving cars. Turn off the lights when you leave a room. The earth is badly polluted. What should we do to save the earth? Lead-in New words shark n. 鲨鱼 fin n.(鱼)鳍 cruel adj. 残酷的； 残忍的 harmful adj. 有害的 be harmful to 对…有害 at the top of 在 …顶部或顶端 the food chain 食物链 n. 链子；链条 ecosystem n. 生态系统 industry n. 工业；行业 law n. 法律； 法规 scientific adj. 科学的 Lead-in 6 -Do you like animals? -What kind of animals do you like best? - Do you know some endangered animals? Let’s look at pictures of endangered animals in our country. South China tiger 华南虎 Golden Monkey 金丝猴 Chiru 藏羚羊 Panda 大熊猫 Crested Ibis 朱 鹮 Lead-in 7 0 2 Pre-reading Pre-reading Pre-reading 9 What is the most expensive part of a shark? shark fin shark fin soup What trouble do sharks get into? They are caught by people. Their fins are cut off. They are thrown back to sea. They can’t swim anymore. They only have to die. What do you think of finning ? 切鱼鳍 It’s cruel. Let's save the sharks! Pre-reading 10 Let’s look, think and predict. Reading Tip：The title and the picture can help predict what the passage talks about. 1. Where can you find the article? A. From a novel. B. From a magazine. C. From a diary. 2.What does the passage talk about? It may talk about the sharks are in endanger and they need us to save them. 3. Do you think sharks are endangered? Why? Yes. Because I know people may kill them for their fins and oil. Also, the title tells us to save them. Pre-reading 11 0 3 While-reading While-reading Read the passage quickly to match the general idea of each Para. Para.1： Para. 2： Para.3： Reading Tip： The first and last sentences of each paragraph may help you. Actions to stop killing sharks Reason for killing sharks Results of killing sharks While-reading 13 Read paragragh 1carefully and answer the questions. 2.What do you know about the shark fin soup? 3.What will happen to the sharks when people enjoy a bowl of shark fin soup? 1.Where is shark fin soup popular? In southern China. It's famous and expensive. They’re killing a whole shark each time they enjoy a bowl of shark fin soup. Many have heard of shark fin soup. This famous and expensive dish is especially popular in southern China. But do you realize that you’re killing a whole shark each time you enjoy a bowl of shark fin soup? While-reading 14 Many have heard of shark fin soup. This famous and expensive dish is especially popular in southern China. But do you realize that you’re killing a whole shark each time you enjoy a bowl of shark fin soup? =hear about 听说 鱼翅羹 1.菜肴 2.盘子 adv. =in the south of China在华南 宾语从句 注意时态！ 注意时态 =when 每当 享用、喜欢 两碗？ two________(bowl) of bowls Save the Sharks!(用复数，表一类 ) While-reading Read Para. 2 carefully and answer questions. 1. What do people do to the sharks? 2. What are the two opinions about killing sharks? People catch sharks, cut off their fins and throw the sharks back into the ocean. ①This is not only cruel, but also harmful to the environment. ②Many believe that sharks can neverbe endangered . Cutting off sharks’ fins and throwing them into back the ocean. While-reading 16 Read Para. 2 and complete the fact sheet. Results of killing sharks For a shark For shark groups For ocean ecosystem 生态系统 Without a fin, a shark can ________________________________. The numbers of some kinds of sharks _____________ in the last 20 to 30 years. All ocean life will be ___________ if there are not enough sharks. not swim any longer and gradually dies have dropped in danger While-reading 17 Two opinions about killing sharks: 1. This is not only cruel,but also harmful to the environment. Why? ①Without a fin, a shark can no longer swim and slowly dies. the ocean's ecosystem ②Sharks are at the top of the food chain in the ocean's ecosystern. If their numbers drop too low, it will bring danger to all ocean life. the food chain While-reading 18 Two opinions about killing sharks: 2. Many believe that sharks can never be endangered. (right or wrong?) Why? ①But in fact, around 70 million… were caught and traded in this industry every year. ②The numbers …have fallen by over 90 percent in the last 20 to 30 years. What will happen according to the numbers? Sharks will die out. While-reading 19 When people catch sharks, they cut off their fins and throw the shark back into the ocean. This is not only cruel but also harmful to the environment. Without a fin, a shark can no longer swim and slowly dies. Sharks are at the top of the food chain in the ocean’s ecosystem. If their numbers drop too low, it will bring danger to all ocean life. 切掉、切断 throw…back into… 把…扔回…里 not only…but also… 不但…而且 be harmful to 对……有害的 no longer=not… any longer 不再 =a shark can’t swim any longer 在…顶端。 反 at the bottom of 食物链 海洋生态系统 主将从现 adv 给…带来麻烦 所有的海洋生物 处在危险当中 be in_____ danger While-reading Many believe that sharks can never be endangered because they are the strongest in their food chain. But in fact, around 70 million sharks are caught and traded in this industry every year. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years. v. 濒危 adj. 濒危的 事实上 =about 被抓 被用来交易 注意时态 fall by “下降了” ，表程度，+百分数。 The death rate___ _____ ___ 5 percent. 死亡率下降了5个百分点。 fall to “下降到”，表结果， +最终结果。 The number of new infections ____ ______ __ 0. 新增感染人数下降到0人。 has fallen by has fallen to =more than =past 在过去的20至30年里， 现在完成时标志 …的数量 几种 While-reading Read Para. 3 and answer the questions. What are the names of the two Environmental protection groups ? 2. What are they doing & what have they done? 3. Are the shark fins good for health？ The WildAid and the WWF. They are teaching the public about “finning”.They have even asked governments to develop laws to stop the sale of shark fins. No. Because no scientific studies have shown that sharks are good for health. Further thinking：What can we do to protect sharks besides the ways mentioned in Para. 3? While-reading 22 解决问题：环保组织号召反对“猎翅” environmental protection groups no scientific studies have shown teaching the public about “finning” asked governments Read Para. 3 and tell how to protect sharks. that shark fins are good for health to develop laws to stop the sale of shark fins While-reading Environmental protection groups around the world, such as WildAid and the WWF, are teaching the public about “finning”. They have even asked governments to develop laws to stop the sale of shark fins. So far, no scientific studies have shown that shark fins are good for health, so why eat them? Help save the sharks! 环境保护组织 =all over the world 野生救援协会 世界自然基金会 猎翅。fin v. 切除鱼鳍 立法，制定法律 违法：break laws 通过一项法律：pass a law 迄今为止。 现在完成时标志 be good ____ children be good ____ students = be kind to students be good ____ swimming 宾语从句 no studies=not any studies + v复 no study=not a study + v单 强调一个也没有 with\to to at help (to) do sth. While-reading 0 4 Post-reading Post-reading 3a Read the passage about sharks and complete the fact sheet below. Where shark fin soup is popular Number of sharks caught and traded every year How government can help Two environmental groups which are against “finning” in southern China around 70 million to develop laws to stop the sale of shark fins Wild Aid and the WWF Post-reading 26 Read the passage again and fill in the blanks with the words in the box. 1. Many people do not realize they are killing a whole shark _________they enjoy a bowl of shark fin soup. 2. Sharks are at the top of the food chain, _______if their numbers drop, the ocean’s ecosystem will be in danger. 3. Many think that sharks are too strong to be endangered, _________they are wrong. 4. _________there are no scientific studies to support this, a lot of people believe that shark fins are good for health. 5. Sharks may disappear one day__________ we do not do something to stop the sale of shark fins. so, although, if, but, when when so but Although if 3b Post-reading 27 Some people like to eat shark’s fin soup, especially in __________ China. But getting the shark’s fin is very__________ .When people catch sharks, they __________ ________ their fins and throw the sharks back into the ocean. The shark slowly dies because it can’t_________ without a fin. And it is also __________to the environment. Sharks are at the _____of the food chain. If the number of sharks drops too low, it will break the balance (平衡）['bæləns]  of the nature. Please say no to eating shark fin soup,and take actions to save the sharks! southern cruel cut off swim harmful top Fill in the blanks according to the passage. Post-reading 28 Save the sharks! ` people cut off their fins and eat shark fin soup. A shark can no longer swim and slowly dies. at the top of the food chain in the ocean’s ecosystem If sharks’ numbers drop too low, It will bring danger to all ocean life. Post-reading 29 What can we do to save the sharks? 1:Love Sharks. 2:Protect the environment. 3:Tell the people around us. 4:Make a poster. 5:Make a short movie.… 6.We should stop eating the shark fin soup! No sale no killing. 没有买卖，就没有杀害。 Protecting wild animals is just protecting ourselves. 保护野生动物就是保护我们人类自己。 Post-reading 30 0 5 Language points Language points 1、Many have heard of shark fin soup.许多人已听说过鲨鱼鳍汤。（P99） 【易混辨析】hear from, hear about与hear of ☞I didn’t hear of this town. ☞I happened to hear about his plans for the vacation. ☞I heard from my father last week. 2、When people catch sharks, they cut off their fins and throw the sharks back into the ocean.当人们抓住鲨鱼时，他们砍掉它们的鳍，把鲨鱼扔回海洋里。（P99） Language points 【知识点详解 】cut off 切除 throw back 扔回到 Language points 3、This is not only cruel, but also harmful to the environment.这不仅残忍，而且对环境有害。（P99） 【知识点详解 】 (1)harmful是形容词，意为“有害的”。常见搭配：be harmful to...对……有害。 (2)harmful的名词是harm，意为“伤害，损害”。常见搭配：do harm to...＝be harmful to...对……有害。 ☞Smoking does harm to health.＝Smoking is harmful to health. 词汇联想 反义词：harmless adj.无害的 No cigarette is completely harmless.没有香烟是完全无害的。 4、The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years. 在过去的20到30年里，有些种类的鲨鱼的数量已下降了百分之九十多。（P99） Language points 【知识点详解】 知识点1： the numbers of... ……的数量 the numbers of...是the number of...的复数形式，其作主语时，谓语动词用复数形式。此处numbers表示不同种类鲨鱼的数量。 ☞The numbers of different kinds of flowers are growing quickly. 不同种类的花的数量正在快速增长。 【易混辨析】重点：the number of...与a number of... 【语境串记】☞A number of measures have been taken to protect wild animals because the number of them has become smaller and smaller. a number of 许多……；大量…… “a number of + 可数名词复数”作主语时，谓语动词用复数形式 the number of ……的数量 “the number of + 可数名词复数”作主语时，谓语动词用单数形式 Language points 知识点2： percent n.百分之…… percent仅用在基数词后，且不论基数词是否大于1，percent都用单数形式。 ☞Ten percent of the apples are green and ninety percent are red. 百分之十的苹果是青的，百分之九十是红的。 【拓展延伸】“数词+percent+of+名词”作主语时，谓语动词的单复数形式要与of后面的名词保持一致。 ☞It is often stated that only 10 percent of our brain is used. 常有报告称我们只运用了大脑的百分之十。 Seventy percent of the teachers in the school are from Europe. 这所学校百分之七十的老师来自欧洲。 知识点3： in the last...years 在过去的……年里 in the last...years也可以说in the past...years， 是现在完成时的标志性时间状语之一。 Language points 0 6 Exercises Exercises Exercises 一、选择填空1. You will feel cold ________ you don't wear a coat.A. so　B. though　　C. if　D. unless2. The man in blue is ________ old to finish the difficult task in such a short time.A. too B. very C. so D. much3. —What ________ the number of the students in your school？—About two thousand.A number of them ________ from the countryside.A. is；are B. is；is C. are；is D. are；are4. Mike doesn't have enough money, so he can only ________ some bread.A. offer B. pay C. afford D. provide5. .—Is this John's T­shirt?—No，it ________ be John's. It must be too small for him.A. might B. can't C. needn't D. may √ √ √ √ √ Exercises 6. .In the last few years they ________ great achievements.A. made B. have made C. were making D. had made7. Please _______ the water when you brush your teeth.A. take down B. turn up C. take away D. turn off8. It is _____ dangerous for children _____ in the river without an adult.A. so；swim B. too；swim C. too；can't swim D. too；to swim9. .—Which show do you prefer，Running Man or Everlasting Classics (《经典咏流传》)？—Everlasting Classics，of course._______ I ______ my brother likes it.A. Both；and B. Neither；norC. Either；or D. Not only；but also10. So far, the number of people using 5G mobile phones ________ a lot.A. has increased B. have increased C. is increasing D. are increasing √ √ √ √ √ Exercises 二、用括号内所给单词的适当形式填空1. Look！The tiger _________(keep) in a tiny cage and can't move.2. He's going to work in the _________(south) part of China next year.3. Eating too much junk food is really __________(harm) to your health.4. Most students went there for __________(science) activities last week. 5. Something must be__________(do) to protect the sharks because they are endangered now. is kept southern harmful scientific done Exercises 三、根据提示完成句子1. 水太烫，我无法喝。The water is ______ hot for me _____ drink it.2. 我不认识这位女演员，但是听说过她。I don't know the actress, but I have_____ _____ her.3. 中国有许多大城市， 例如：北京、上海、深圳等。China has many big cities, _____ ____Beijing, Shanghai, Shenzhen and so on.4. 在海洋生态系统中，鲨鱼在食物链的顶端。Sharks are ____ ____ ____ ____the food chain in the ocean's ecosystem.5. 美国35岁至44岁之间的人口数量将在未来15年内减少15%。____ _____ ______ people in the US between the ages of 35 and 44 will ____ _____ 15 percent over the next 15 years. too to heard of such as at the top of The number of fall by 0 7 Summary Summary Save the Sharks! 提出问题：吃鱼翅就是杀害一整头鲨鱼(Para.1) a bowl of shark fin soup=___________________ 解决问题：国际环保组织号召反对 “猎翅”(Para.3) _______ their fins and ______the sharks ____ into the ocean _____and _______ to the environment around _____________ are caught and traded every year bring ______ to all ocean life the numbers of some kinds of sharks _______________________________ in the last 20 to 30 years 分析问题：为什么要阻止“猎翅” (Para.2) environmental protection groups no______________ have shown that shark fins are good for health teaching the public about “finning” asked governments to_____________to stop the sale of shark fins killing a whole shark cut off throw back cruel harmful danger 70 million sharks have fallen by over 90 percent develop laws scientific studies Help save the sharks! Summary 43 0 8 Homework Homework Homework 口头作业 (Oral work) 熟读课文Unit 12 Section A 3a,然后大声复述 书面作业 (Writing work) What should we do to save the animals ? Write at least two suggestions Homework 45 Thank you! null 49135.758 Lavf58.45.100 Packed by Bilibili XCoder v2.0.2 $$