Unit 3 Sea exploration Reading for writing.课件-2022-2023学年高中英语人教版（2019）选择性必修第四册

授课时间：5月16日 授课内容：Unit 3 writing 教学目标： 在本课学习结束时，学生能够： 1. 掌握议论文的基本结构； 2. 在议论文中区分分论点和论据； 3. 掌握表达支持与反对态度的短语及句式； 4. 完成议论文写作，表达自己对海洋探索的观点，树立正确的海洋发展观。 教学重难点： 引导学生掌握议论文的文体结构和语言特征，指导学生完成一篇议论文的写作；引导学生树立正确的海洋发展观。 教学方法：讲授法，讨论法 UNIT 3 SEA EXPLORATION Using language Express your opinions on sea exploration To analyze the arguments and evidence in the texts. To express your opinions on sea exploration. To learn to write an argumentative essay. discover new species detect energy or mineral and food resources predict potential disasters What do you know about sea exploration? Pre-reading solve marine scientific mysteries find more space for human existence and development search for cultural relics 1. What are the two authors’ opinions about the sea exploration ? opposed supportive 2. What is the text type of the two texts? Argumentative essay 3. Read the two texts and find the arguments and evidence. check the main arguments主论点, sub-points分论点and evidence论据 in it. 1 2 1. Exploration causes pollution. ∙ Deepwater Horizon oil spill ∙ Plastic pollution 2. Mining for resources is damaging. ∙ It hurts the Arctic. ∙ Burning fossil fuels adds to climate change. 3. Overfishing is an issue. ∙ Whales and dolphins are hunted. ∙ Banned, but some countries still doing it. 3 main argument 主论点 sub-points 分论点 evidence 论据 restatement/ 重申 a call to action 号召 Argumentative Essay (Text 1) Conclusion (Para. 5) (restatement and a call to action) Main Point (Para. 1) (main argument) Body (Para. 2 ~ 4) (sub-points & supporting ideas) Conclusion：Review the structure 1 2 1. Sea exploration is important for our future. ∙ Scientific research ships can help address important issues like climate change. 2. Understanding more about the sea will also help us manage its resources better. ∙ New medicines, food resources and energy. ∙ Predict events such as earthquakes. 3