Unit 3 Using language 课件-2022-2023学年高中英语人教版（2019）选择性必修第四册

UNIT 3 SEA EXPLORATION Should the sea be explored? Benefits : 1. Get new sources of food . 2. Get fossil fuels such as oil , gas and coal . Should the sea be explored? Negative effects : 1. Spilling oil into the sea causes pollution. 2. Cause plastic pollution. Skim the two texts and answer the questions below. What is the text type of the two texts? A. Narration B. Exposition C. Practical writing D. Argumentation What are the three parts in argumentative essay? ∙ Argument/Point 论点 ∙ Evidence 论据 ∙ Restatement/ Recommendation/ A call to action 重申 推荐 号召 Argument/ Point Restatement Evidence Argument/ Point Text1 disagree Evidence Text1 Plastic pollution Deepwater Horizon oil spill 3 1 2 Burning fossil fuels adds to climate change. It hurts the Arctic. Banned, but some countries still doing it. Whales and dolphins are hunted. Explanation Restatement Text1 We should protect the sea. Argument/ Point Text2 agree Evidence Text2 Scientific research ships can help address important issues like climate change. 3 1 2 Predict events such as earthquakes. Discover new medicines, food resources and energy. Vast amounts of resources may be under the sea and ice. Explanation Improve understanding of life on the earth. Restatement Text2 We should explore the sea while balancing environmental risks and economic needs. Look at the two charts below and decide which one supports which text. _____________ Text 2 _____________ Text 1 Writing Write an argumentative essay on sea exploration, expressing your opinions with supporting facts. • What is the purpose of sea exploration? • How does sea exploration help us to protect the sea? • How does sea exploration cause damage to the sea? • Is there a good balance between protection and exploitation? Use the PEEL method to help structure your argument. Point What point do you want to make? Evidence What facts and exa