Unit 3 Sea Exploration Using Language (II) 课件-2023-2024学年高二英语人教版（2019）选择性必修第四册

Unit 3 Period 4 Using Language (Ⅱ) Express your opinions on sea exploration 1.通过阅读两篇议论短文，了解海洋探索对于人类的利弊，能够树立正确的海洋观； 2.能掌握议论文的问题结构和语言特征，完成议论文写作。 学习目标 新 课 导 入 课 堂 学 习 Pre-reading Should the sea be explored? Read the two texts and answer the questions. Skimming What is the text type of the two passages? What are the three parts in argumentative essay? Argumentative essay. Argument, evidence, restatement/ recommendation/ a call to action. Scanning 1 Read the two texts below and find the arguments and evidence in them. argument evidence Text 1 Exploration causes pollution. Deepwater Horizon oil spill Plastic pollution Mining for resources is damaging. It hurts the Arctic. Burning fossil fuels adds to climate change. Overfishing is an issue. Whales and dolphins are hunted. Banned, but some countries still doing it. Text 2 argument evidence Sea exploration is important for our future. Scientific research ships can help address important issues like climate change. Understanding more about the sea will also help us manage its resources better. New medicines, food resources and energy. Predict events such as earthquakes. We need new resources for future development. Vast amounts of resources may be under the sea and ice. Look at the two charts below and decide which one supports which text. 2 Text 2 Text 1 In groups, discuss the following questions and take notes. 3 1. What is your opinion about sea exploration? Do you agree with one argument more than the other? 2. Has your opinion changed after reading the two texts? Why or why not? I think sea exploration is a wonderful idea, because even if there are no immediate rewards for it, to explore and find out more about our world is always a good thing. Yes, my opinion has changed. Before reading Text 1, I did not know that sea exploration could add to sea pollution, via deep sea drilling for example. 3. Are there any other aspects of sea exploration not mentioned that you think are important? We do not k