Unit 3 Sea exploration Using language -ppt课件 2021-2022学年高二中英语新人教版选择性必修第四册 .pptx

1、Express your opinions on sea explorationTo analyzes the arguments and evidence in the texts.To express your opinions on sea exploration.To learn to write an argumentative essay with the help of PEEL method.2 What are the three parts in argumentative essays?1 What is the text type of the two passages

2、?Paragraph 1(Text 1)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.Paragraph 1(Text 2)To truly understand our planet,we must explore the oceans which cover most of it.Opponents may be concerned,but s

3、ea exploration is important for our future.For example,scientific research ships can help address important issues such as climate change.We need to understand what is happening to our planet so that we can take action.Therefore,more research is necessary.Argumentative essayArgument,evidence,restate

4、ment/recommendation/a call to action：Main structure Argumentative Essay Main Point(Para.1)Body(Para.2 4)Conclusion(Para.5)supporting ideasText 1When 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 exp

5、loration 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

6、,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

7、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 forg

8、ive us.Read the two texts below and find the supporting ideasConclusionIf we dont protect it,future generations wont forgive us.Text 2 To truly understand our planet,we must explore the oceans which cover most of it.Opponents may be concerned,but sea exploration is important for our future.For examp

9、le,scientific research ships can help address important issues such as climate change.We need to understand what is happening to our planet so that we can take action.Therefore,more research is necessary.Understanding more about the sea will also help us manage its resources better.Logging new speci

10、es will improve our understanding of life on the earth.It may help us discover new medicines,as well as new sources of food and energy.Accessing the deep ocean may also help us to predict events such as earthquakes.The population of the world is growing and we need new resources for future developme

11、nt.There are probably vast amounts of resources under the sea and ice,not just oil and gas but also valuable minerals.Of course,there are still environmental risks.However,these should be balanced with economic needs.Hopefully,as technology improves,we may have more options for managing this balance

12、.Read the two texts below and find the supporting ideasConclusionEnvironmental risks should be balanced with economic needs.8045361801020304050607080901970-19791980-19891990-19992000-2009Decline in oil spills1979 1984 1989 1994 1999 20042009Text 2Text 1Global trends in the state of world marine fish

13、 stocksAppreciationWhen people talk of exploring the sea more,they usually mean exploiting it.仿写：当人们谈到城市建设时，那就意味着要开发土地。Opponents may be concerned,but sea exploration is important for our future.仿写：反对者有可能会对此很担心，但开发土地对我们的未来是非常重要的。when people talk of/when it comes to urban construction more,they usuall

14、y mean exploiting the land.Opponents/Objectors may be concerned,but land exploration is important for our future.According to the sentences above,what is the text type?本单元的写作任务是辩论性议论文。一般包括四段：本单元的写作任务是辩论性议论文。一般包括四段：第一段第一段说明辩论的主题；说明辩论的主题；第二段第二段表明正方的观点及其理由；表明正方的观点及其理由；第三段第三段表明反方的观点及其理由；表明反方的观点及其理由；第四段第

15、四段陈述自己的观点。陈述自己的观点。(有时也可以分为三段：第一段说明辩论的主题；第二段表明正方和反方有时也可以分为三段：第一段说明辩论的主题；第二段表明正方和反方的观点及理由；第三段表明作者自己的观点。的观点及理由；第三段表明作者自己的观点。)技 法 点 拨文体分析 把握写作动脉写作指导 The following questions may help you.lWhat is the purpose of land exploitation?lHow does land exploitation help us to construct the city?lHow does land exp

16、loitation cause damage?lIs there a good balance between protection and exploitation?2 Use the PEEL method to help structure your argument.PointWhat point do you want to make?EvidenceWhat facts and examples can you find to support your point?How reliable are the sources?ExplanationExplain how the fac

17、ts support your opinion and show other opinions to be incorrect.LinkConnect this point to the next point,or back to the main point of the essay or paragraph.假设你是李华，最近你班就假设你是李华，最近你班就“人类是否应该为了城市建设对土地进行开发人类是否应该为了城市建设对土地进行开发”展开展开了讨论。请根据讨论结果，写一封了讨论。请根据讨论结果，写一封120词左右的信给某英文报社的编辑来报道词左右的信给某英文报社的编辑来报道此事。此事。赞成

18、的理由赞成的理由反对的理由反对的理由你的看法你的看法1.城市的发展需要修建更多的道路，给人城市的发展需要修建更多的道路，给人们带来方便；们带来方便；2.有利于经济的发展有利于经济的发展。1.农业是根本；农业是根本；2.绿化减少，绿化减少，会造成更多的污染。会造成更多的污染。谋谋篇篇第一段：说明讨论的话题第一段：说明讨论的话题人类是否应该进行土地开发；人类是否应该进行土地开发；第二段：说明正方和反方的观点及理由；第二段：说明正方和反方的观点及理由；第三段：表明自己的观点。第三段：表明自己的观点。遣词造句核心词汇核心词汇1.执行执行_2.支持支持_3.也，又，也，又，还还_4.反对反对_5.导致导

19、致_6.造成生态系统造成生态系统破坏破坏_carry outin favour of/be foras well asbe against/object tolead tocause ecosystem destruction连词成连词成句句1.很多新的楼房建了起来，路也都拓宽了。给人们带来了极大的便利。很多新的楼房建了起来，路也都拓宽了。给人们带来了极大的便利。Many new houses and roads.2.开发过多的土地开发过多的土地可能会造成农田减少。可能会造成农田减少。Land exploitation might land lessened.3.绿化减少会造成更多的污染问题绿化减少会造成更多的污染问题。Less green will .have been built It will definitely bring convenience to the citizens.bring aboutcause a large number of problemshave been widened