Unit 13 Section A 3a-3b 课件 2024-2025学年人教九年级英语全册

Section A 3a-3b Unit 13 We’re trying to save the earth! R·九年级全一册 1 By the end of the class, you will be able to … 1. Learn curriculum words and useful expressions: shark, fin, cruel, harmful, chain, ecosystem... 2. Read the article Save the Sharks! and understand the general idea of the article. 3. Improve your reading skills through this lesson. Learning objects (学习目标) Free talk Can you think of some rare animals in our country? Why should we protect these rare animals? Enjoy some pictures 4 Discussion What do you know about sharks? Do you think sharks are endangered? Why? What do you think might have caused a fall in the number of sharks? Save me! 1. What can you see in the picture? 2. What may the passage talk about? A shark. It may talk about sharks. Before reading: Look at the picture & title and make a prediction. Reading skill: Guess the general idea of the article from the picture and the title. Paragraph 1 Paragraph 2 Paragraph 3 Fast reading: Match each paragraph with the general idea. ◆ We should save the sharks. ◆ Shark fin soup is popular. ◆ Sharks are endangered because of people’s killing. Reading skill: Skim the passage and find the topic sentence or general idea of each paragraph. Task 1: Read Para. 1 and judge the sentence. (T or F) You’re killing a whole shark when you enjoy a bowl of shark fin soup. Careful reading Reading skill: Read the text carefully and find out the sources of the sentences in the text to make sure the details are correct. Task 2: Read Paras. 1 & 2. Find the reason why the number of sharks falls and fill in the chart. People enjoy _____________________. Fishermen ___________, ______________, then _____________________________. ________________________________have fallen by over 90 percent in the last 20 to 30 years. a bowl of shark fin soup catch sharks cut off their fins throw them back into the ocean The numbers of some kinds of sharks Task 3: Read Para. 2 and find the results of killing sharks. Results of killing sharks For a shark For shark groups For ocean ecosystem Without a fin, a shark can __________________________________. The numbers of some kinds of sharks _____________in the last 20 to 30 years. If the numbers of sharks drop too low, it will bring _______to all ocean life. no longer swim and slowly dies have fallen danger Reading skill: Scan the second paragraph and pay attention to grasp the missing information. Action to _________________ WildAid and the WWF Governments Individual are teaching the public about “finning”. develop laws to stop the sale of shark fins. help save the sharks. protect the sharks Task 4: Read Para. 3 and complete the table. Reading skill: Scan the third paragraph and summarize information by understanding the text. 3a Read the passage about sharks and complete the fact sheet below. Number of sharks caught and traded every year How governments can help Two environmental groups against “finning” Around 70 million To develop laws to stop the sale of shark fins WildAid and the WWF against介词，在此处意为“反对”。 be against ( doing) sth.意为“反对（做）某事”。 Many have heard of shark fin soup. But do you realize that you’re killing a whole shark each time you enjoy a bowl of shark fin soup? hear of意为“听说﹔了解；知道”，强调从他人那里得到的消息。 同义短语为hear about。 Save the sharks! When people catch sharks, they cut off their fins and throw the sharks 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. Many at the top of 意为“在……顶部或顶端”。 反义短语：at the bottom of 在……的底部或底端 be harmful to… 对……有害 cruel形容词，意为“残酷的；残忍的”。be cruel to sb./sth.意为“对某人/某物残忍”。 the food chain 食物链 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. can在此句中意为“可能”，表推测﹐常用于否定句或疑问句中。can’t be意为“不可能是”。 辨析endangered, dangerous与danger endangered 形容词，意为“濒危的;濒临灭绝的”； dangerous 形容词，意为“危险的”； danger名词﹐意为“危险；威胁”。 in fact意为“事实上；实际上”。一般位于句首或句中。 fall by意为“下降了……”，其中 by作介词，表示变化的幅度。 the numbers of...意为“……的数量”，是固定短语the number of的复数形式。此处numbers表示不同种类的鲨鱼的数量。 percent名词，意为“百分之……”。仅用在基数词后﹐无论基数词数值为多少，percent都用单数形式。 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! 制定法律 so far意为“到目前为止；迄今为止”，常与现在完成时连用。 【拓展】scientific的相关词: scientific adj. 科学上的；科学的 science n. 科学 scientist n. 科学家 听说；了解；知道 对……有害 在……顶部或顶端 食物链 事实上；实际上 ……的数量 下降了…… 制定法律 到目前为止；迄今为止 be harmful to at the top of the food chain hear of in fact the numbers of... fall by so far develop laws Summarize the key phrases Para. 1: An introduction to the problem Para. 2: Reasons for stopping “finning” Para. 3: Help save the sharks a bowl of shark fin soup → killing a whole shark cut off their fins and throw the sharks back into the ocean cruel and harmful to the environment → bring danger to all ocean life around 70 million sharks are caught and traded every year the numbers of some kinds of sharks → have fallen by → in the last 20 to 30 years environmental protection groups teaching the public about “finning” asked governments to develop laws to stop the sale of shark fins no scientific studies have shown that shark fins are good for health Passage structure: Save the Sharks! Read the passage again and fill in the blanks with the words in the box. 3b so although if but when 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. when so so although if but when 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. but Although if Let’s do this to retell the text! Some people like to eat shark fin soup. But getting the shark’s fin is very _____. When people catch sharks, they ______ their fins and ______the sharks ______the ocean. The shark ______dies because it can’t _______ without the fin. throw into cruel cut off slowly swim And it is also _________ to the environment. Sharks are at the ____ of the food chain. If ___ ________ ___ sharks drop too ____, it will break ______ _______ ______ nature. Please say no to ______ the shark fin soup, and _____ ______to save the sharks! harmful top the numbers of low the balance of eating take action Post reading: How can we protect our animals? We should raise people’s awareness to protect animals and our environment. We should not wear or buy clothes made of animals’ fur. We should not eat wild and endangered animals. We should protect their living environment. ... Curriculum words: shark, fin, cruel, harmful, chain, ecosystem, industry, law, scientific Useful expressions: be harmful to, at the top of, the food chain... Sentences: If their numbers drop too low, it will bring danger to all ocean life. But in fact, around 70 million sharks are caught and traded in this industry every year. Summary Homework 1. Read the article again and try to retell the article. 2. Review key words, sentences and language points of this lesson. No buying, no killing. Protecting animals is everyone’s responsibility. 107052.43 $$nullnull