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课件网) 人教版（2019）选择性必修四 Unit 3 Sea Exploration Using Language (Reading for Writing) Express your opinions on sea exploration Learning objectives By the end of this section, you will be able to: grasp the structural and linguistic features of argumentative essays; think critically about the pros and cons of exploring the ocean; write an argumentative essay to express your opinions on sea exploration. Lead-in Why do people explore the sea exploit resources discover new species generate electricity vt. 开发；利用；剥削 Should the sea be explored The ocean is a treasure. Just as Xi Jinping says, oceans provide a breeding ground for life, connect the world and promote development. Despite regular discoveries about the ocean, much remains unknown. Scientists predict that 95% of the ocean is unmapped and unexplored. So human being is keeping on exploring the ocean. However, there are arguments about sea exploration. Argument Evidence Restatement/recommendation/a call to action What are the two texts about What is the type of the two texts What are the three parts in argumentative essays Reading Read the first paragraph of the two texts and answer the following questions. They are about sea exploration. Argumentative essays. A E & E A E & E A E & E A E A E & E A E Then read the two texts and find the arguments and evidence in them. Read the first text carefully and then analyze the structure. When people talk of exploring the sea more, they usually mean exploiting it. Sea exploration has caused many problems and will continue to cause more. More exploration means more pollution. The Deepwater Horizon spilled over 200 million gallons of oil into the sea in 2010. Plastic pollution is also bad, killing many birds and fish, and has even been found in our tap water. Mining for resources is very damaging, especially in the Arctic. Because of climate change, there is less ice now, which means we can look for more fossil fuels further north. But if we burn these, the ice will melt more and this negative cycle will continue. Climate change is warning us that something is very wrong. Overfishing is another problem. Whales and dolphins are also hunted for their meat or for so-called research. Although this was banned in 1982, some countries are still “murdering” these intelligent creatures without mercy. The sea is home to life, not human beings’ possessions. It is huge, but it is more sensitive than we think. If we do not protect it, future generations will not forgive us. n. 加仑（容积单位，1英制加仑约等于4.5升） vt. 谋杀；凶杀；毁坏 n. 谋杀；凶杀 n. 仁慈；宽恕；恩惠 n. 个人财产；拥有；控制 Sea exploration has caused many problems and will continue to cause more. Exploration causes pollution. Mining for resources is damaging. Overfishing is an issue. Deepwater Horizon oil spill Plastic pollution It hurts the Arctic. Burning fossil fuels adds to climate change. Whales and dolphins are hunted. B ... ...
