Unit 13　We're trying to save the earth!Section A (3a-3b)教案 2023-2024学年人教版九年级英语全册

Unit 13　We're trying to save the earth!Section A (3a-3b) 教学课题 Section A (3a-3b) 核心 词汇 Important words:cruel,industry,harmful,law,scientific Important phrases:be harmful to,at the top of the food chain,in the last 20 to 30 years,environmental protection groups around the world,develop laws,the sale of shark fins 核心 句式 1.But do you realize that you're killing a whole shark each time you enjoy a bowl of shark fin soup? 2.This is not only cruel,but also harmful to the environment. 3.The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years. 4.So far,no scientific studies have shown that shark fins are good for health. 5.Sharks may disappear one day if we do not do something to stop the sale of shark fins. 技能与策略 学习要点 1.帮助学生在阅读文章时识记重点单词和短语。 2.培养学生抓取文章关键信息和结构的能力。 3.帮助学生了解鲨鱼的现状,学会关注环境,保护环境。 教学过程 ◆Step 1　Leading in 1.Teacher tells students the earth is badly polluted.What should we do to save the earth? Let's take action.For example: ①Turn off the lights when you leave a room. ②Take buses instead of driving cars. ③Recycle books and paper. 2.There are some endangered animals.We should do something to protect the animals and the environment! ◆Step 2　Discussion 1.Have you ever seen a shark? 2.What do you know about sharks? ◆Step 3　Reading 3a 1.Sharks are endangered,read the passage and judge the sentences (T/F). (1)To get a bowl of shark fin soup,people may kill a whole shark. (2)People cut off sharks' fins and throw the sharks back into the ocean. (3)Sharks are in the bottom of the food chain in the ocean's ecosystem. (4)WildAid and the WWF are environmental protection groups in China. (5)Shark fins are good for health. Keys:(1)T　(2)T　(3)F　(4)F　(5)F 2.Complete the fact sheet in 3a. ◆Step 4　Practice 3b Read the passage and fill in the blanks with the words in the box. ◆Step 5　Language points 1.no longer意思是“不再” I'm no longer a student.我不再是个学生了。 有两个短语和no longer同义,即not...any longer和not...any more,但它们侧重的方面不同。 no longer和not...any longe