Unit 13 Section A 3a～3b 课件 2024-2025学年人教版九年级英语全册

Unit 13 We're trying to save the earth! Do you enjoy ocean? Learing aims: Knowledge aims: shark, fin, cruel, harmful, chain, ecosystem, industry, law, scientific, be harmful to, at the top(of sth.), take part in, throw away Ability aims: No scientific studies have showed that shark fins are good for health. We should help save the sharks. Emotional aims: To be friendly to nature, call for people not ‘Finning’any more. The ocean is beautiful because of the diversity (多样性)of life. What is the king of The sea? Dangerous In fact, Who is killing them? What if there no were sharks? uld sh ve We sho sa ar ks Listening & Fast reading Match each paragraph with its main idea. Sharks are endangered. Help save the sharks. Something about shark fin soup. 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. 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 ecosysterm. If their numbers drop too low, it will bring danger to all ocean life. Many believe that sharks can never 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 sharks have fallen by over 90 percent in the last 20 to 30 years. 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! Careful reading Para 1 03 What do you think of this dish? famous expensive popular 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. 01 What is shark fin soup? It is a kind of delicious food. 02 What is shark fin soup made of? It is made of shark fins. cruel hy? W 04 From Para 1, what does it mean to enjoy a bowl of shark fin soup? It means that you're killing a whole shark. Many have heard of shark fin soup. But do you realize that y ou’re killing a whole shark each time you enjoy a bowl of shark fin soup? Careful reading Para 2 How do people get shark fins? What will happen if sharks don't have their fins? When people catch sharks, they cut off Their fins and throw The sharks back into the ocean. They can no longer swim and slowly dies. Why does it do harm to the environment? As a result, This is not only cruel,but also harmful to the environment. Why does it do harm to the environment? Sharks are _the food chain in the ocean's ecosystem. If their _ drop too low, it will _all ocean life. at top of numbers bring danger to According to the Para 2, do you think sharks are endangered? The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years. Around 70 million sharks are caught and traded in this industry every year. Why do people eat shark fin soup? 1 2 It is expensive, it is like a symbol of status(地位). People think it is good for their health. Careful reading Para 3 Is shark fin soup really good for your health? No scientific studies have shown that shark fins are good for health. It even harms to people's health. ? Millions of tons of waste enter the oceans every year,polluting the seas, messing the beaches and endangering wildlife.Some litter is eaten by fishes and other sea animals, and then they enter the food chain. So the number of sharks drops too low. What does the passage want to tell us? at the top of the food chain catch ....cut off... eat no longer swim slowly dies around 70 million... are caught and traded bring danger to.... kinds of sharks have fallen....over 90% Readthepassageagainandfillintheblanks withthewordsinthebox. when so but Although if 听说 一碗 切除 扔回 不但...而且... 对...有害 不再 在...顶部... Summary 1. heard of / about 2. a bowl of 3. cut off 4. throw back 5. not only ... but also... 6. be harmful to 7. no longer 8. at the top of 9. the food chain 10. ocean ecosystem 11. bring danger to sb. 12. in fact 13. the number of 14. fall by 15. develop laws 食物链 海洋系统 给某人带来危险 事实上 ...的数量 下降了 立法 16. the sale of 17. so far ...的售卖 到目前为止 Homework: 1、Read 3b fluently. 2、Recite 3a. $$