Unit 3 Sea Exploration Reading for Writing 课件-2023-2024学年高中英语人教版（2019）选择性必修第四册

Unit 3 Using Language Express your opinions on sea exploration At the end of the class, the students are expected to： 1. Figure out the structure and the demonstration method (论证方法) of an argumentative essay. 2. Learn to express their opinions on sea exploration . 3. Write an argumentative essay on sea exploration. 4. Develop a proper attitude on sea exploration. 学习目标 1. talk of/about 谈起，说到 2. spill.... into... 溢出..... 到.... 3. without mercy 残忍地，毫不留情地 4. be home to 是...的栖息地/家园，是...的产地/所在地 be native to 5. future generations 子孙后代 6. address/handle/tackle important issues 解决重要的问题 7. manage its resources 管理其资源 8. log new species 记录新物种 9. improve our understanding of ... 提高对于...的理解 10. on the earth 地球上 Pre-test Leading-in Q: Should the sea be explored? Read the two texts and answer the questions. Pre-reading 1.What is the main idea of the two passages ? 2.What is the text type of the two passages? 3.What are the three parts in argumentative essay? Argument, evidence, restatement/ recommendation/ a call to action. They are mainly about the Opinions on sea exploration A. Narration            B. Exposition C.Practical writing               D.Argumentative essay. While-reading 1 Read the two texts below and find the arguments(分论点) 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. Post-reading:Discussion Should the sea be explored? Why or why not? And reason. Be against 1. More exploration means more pollution 2. Mining for resources is very damaging. 3. Overfishing is another problem. ...... Be for 1. address important issues 2. manage resources better 3. need new resources for future development ...... Text 1 Text 2 Writing：Guided writing task--express your opinions 假如你是李华，最近你们班就“人类是否应该进行海洋探索”进行了讨论，请根据讨论结果写一篇短文。(80词左右) 赞成 反对的理由 你的看法 1. 获取更多的海底资源；2. 提高对地球上生命的理解。 1. 造成海洋污染，导致海洋生物死亡；2. 破坏生态系统。 ...... 第一步：审题谋篇 1.文体与目的 2.人称 3.时态 4.写作要点 第二步：推敲词汇 1．__carry out___实施;进行;执行 2． in favor of_ 支持 3._as well as___也，又，还 4． be against_____反对 5．_bring about__导致 6．cause ecosystem destruction_造成生态系统破坏 lead to;cause;result in 第三步：由词扩句 1．海洋探索使人们有可能发现新的药物，也可能使人们发现新的食物和新的能源。(并列句) sea exploration has made it possible for people to discover new medicines and it also has helped them find new sources of food and energy. 2．海洋探索可能会导致海洋污染。(主谓结构) Sea exploration might bring about marine pollution. 3．海洋污染最终导致海洋生物死亡。(主谓结构) Marine pollution finally leads the ocean creatures to death. 4．海洋探索可能有助于增进我们对地球上生命的了解。(主谓结构) Sea exploration might be very helpful in improving our understanding of life on the earth. 5．我们可能有更多的选择来管理这种平衡。(主谓结构) we may have more options for managing this balance. 第四步：句式升级 1．用as well as升级句1 sea exploration has made it possible for people to discover new medicines as well as new sources of food and energy. 2．用非限制性定语从句把句2和句3合并成一句话 Sea exploration might bring about marine pollution, which finally leads the ocean creatures to death. 3．用be of ＋ n．改写句4 Sea exploration might be of great help in improving our understanding of life on the earth. 第五步：连句成篇--------One possible version： Dear Editor, Recently our class has had a discussion about whether sea exploration should be carried out. Some students are in favour of sea exploration.They say sea exploration has made it possible for people to discover new medicines as well as new sources of food and energy.Others are against it.Although sea exploration might be of great help in improving our understanding of life on the earth, it might bring about marine pollution, which finally leads the ocean creatures to death.It also might cause ecosystem destruction. Personally, sea exploration should be balanced with economic needs.Hopefully, we may have more options for managing this balance. $$