(
课件网) 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. 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 ... ...
