Unit 3 Sea exploration Reading for writing.-ppt课件--(2022)高中英语新人教版选择性必修第四册.pptx

1、 Using languageExpress your opinions on sea exploration To analyze the arguments and evidence in the texts.To express your opinions on sea exploration.To learn to write an argumentative essay.Lead in Should the sea be explored?predict potential disastersdiscover new speciesdetect energy resourcespla

2、stic wasteoverfishingoil leakingDiscussion:What are the advantages and disadvantages of sea exploration?(Group work)1.What are the two authors opinions about the sea exploration?opposedsupportive2.What is the text type of the two texts?Argumentative essay3.Read the two texts and find the arguments a

3、nd evidence.check the main arguments主论点主论点,sub-points分论点分论点and evidence论据论据 in it.121.Exploration causes pollution.Deepwater Horizon oil spill Plastic pollution2.Mining for resources is damaging.It hurts the Arctic.Burning fossil fuels adds to climate change.3.Overfishing is an issue.Whales and dolp

4、hins are hunted.Banned,but some countries still doing it.3main argument主论点主论点sub-points分论点分论点evidence论据论据restatement/重申重申a call to action号召号召Argumentative Essay(Text 1)Conclusion(Para.5)(restatement and a call to action)Main Point(Para.1)(main argument)Body(Para.2 4)(sub-points&supporting ideas)Conc

5、lusion：Review the structure 121.Sea exploration is important for our future.Scientific research ships can help address important issues like climate change.2.Understanding more about the sea will also help us manage its resources better.New medicines,food resources and energy.Predict events such as

6、earthquakes.33.We need new resources for future development.Vast amounts of resources may be under the sea and ice.check the main arguments主论点主论点,sub-points分论点分论点and evidence论据论据 in it.Exploration and mapping of the deep sea would be for the benefit of all citizens not just in economic terms but in

7、opportunities for unexpected discoveries.But what we should take into account is how to strike a balance between the protection and exploitation of it.Should oceans be explored?This video may help you better understand sea exploration.Writing 假定你是假定你是李华，最近你班就人类是否应该进行李华，最近你班就人类是否应该进行海洋探索进行了海洋探索进行了讨论讨

8、论，请根据讨论结果，给某英文报社的编辑，请根据讨论结果，给某英文报社的编辑写一封信。写一封信。注意注意:1.词数词数100左右左右;2.可适当增加可适当增加细节，以细节，以使文章连贯使文章连贯。赞成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.获取更多的海底资源获取更多的海底资源；2.提高对地球上生命的理解提高对地球上生命的理解。1.造成海洋污染，导致海洋生命死亡造成海洋污染，导致海洋生命死亡；2.破坏生态系统破坏生态系统。审题审题定调定调1.确定确定体裁体裁:本次写作是一篇本次写作是一篇议论文，内容议论文，内容涉及海洋探索。涉及海洋探索。2.确定确定人称人称:本文要用第三人称。本文

9、要用第三人称。3.确定确定时态时态:时态以一般现在时为主时态以一般现在时为主。Para.1:说明辩论的主题说明辩论的主题-人类是否应该进行海洋探索；人类是否应该进行海洋探索；Para.2:第一种：第一种：表明正方的观点及其理由表明正方的观点及其理由和和表明反方的观点表明反方的观点 及其理由；及其理由；第二种：第二种：表明正方表明正方或或反方的观点及理由反方的观点及理由Para.3:表明作者自己的观点。表明作者自己的观点。框架结构：三段式框架结构：三段式Useful expressions：1.There is a heated debate over the exploration of se

10、a,and from my point of view.2.When it comes to sea exploration,peoples opinions differ a lot.3.It is through sea exploration that many valuable resources are uncovered.4.What calls for your special attention is that.5.6.Necessary as sea exploration is,it does lead to a handful of problems,including.

11、7.With all above mentioned taken into consideration,it is worthwhile to.8.In conclusion,the benefits of sea exploration greatly outweigh the risks in that.高级高级句式处理句式处理:(1)有些学生赞成海洋需要充分开发的观点。有些学生赞成海洋需要充分开发的观点。(that 引导同位语从引导同位语从句句)Some of the students subscribe to the view .(2)那是因为它将使人们发现新的食物和能源来源成为可能。

12、那是因为它将使人们发现新的食物和能源来源成为可能。(because 引导表语从句引导表语从句)Thats .(3)另外另外,海洋探索可能有助于提高我们对地球上生命的了解。海洋探索可能有助于提高我们对地球上生命的了解。(understanding)In addition,it might help on the earth.that sea needs to be explored fullybecause it will make it possible for people to discover new sources of food and energyimprove our under

13、standing of the life(4)然而然而,其他人反对其他人反对,因为他们认为这可能会带来海洋污染因为他们认为这可能会带来海洋污染,最终导最终导致海洋生物死亡。致海洋生物死亡。(because 引导原因状语从句，引导原因状语从句，which 引导非限引导非限制性定语从句制性定语从句)However,others are against it ,.(5)更糟糕的是更糟糕的是,它还可能造成生态系统的破坏。它还可能造成生态系统的破坏。(do damage to)Worse still,it also .(6)就个人而言就个人而言,海洋勘探应该与经济需求相平衡。海洋勘探应该与经济需求相平衡

14、。(balance.with.)Personally,sea exploration .because they believe it might bring about marine pollution which finally leads the ocean creatures to deathmight do damage to the ecosystemshould be balanced with economic needs(7)希望随着技术的进步希望随着技术的进步,我们可以有更多的选择来管理这种平衡。我们可以有更多的选择来管理这种平衡。(as引导时间状语从句引导时间状语从句)H

15、opefully，,we may have more options for managing this balance.连句成文连句成文as technology improves Dear Editor,Recently there is a heated debate over the exploration of sea in our class.Some of the students subscribe to the view that sea needs to be explored fully.Thats because it will make it possible for

16、 people to discover new sources of food and energy.In addition,it might help improve our understanding of the life on the earth.However,others are against it,because they believe it might bring about marine pollution,which finally leads the ocean creatures to death.Worse still,it also might do damag

17、e to the ecosystem.Personally,sea exploration should be balanced with economic needs.Hopefully,as technology improves,we may have more options for managing this balance.Yours,Li Hua1.Hand in the writing.2.课时作业（九）课时作业（九）Language points 1cause many problems 2spill oil into the sea3mine for resources4w

18、ithout mercy 5address important issues6accessing the deep ocean 7have more options for 造成许多问题造成许多问题石油流入海中石油流入海中开采资源开采资源无情地无情地应对重要问题应对重要问题对对有更多的选择有更多的选择深海探索深海探索Language points:Important phrases(P32)1.Plastic pollution is also bad,killing many birds and fish and has even been found in our tap water.(T

19、ext 1 Para.2)塑料污染也十分严重，导致许多鸟类和鱼类死亡，甚至在塑料污染也十分严重，导致许多鸟类和鱼类死亡，甚至在我们的自来水中也发现了塑料污染。我们的自来水中也发现了塑料污染。分析：分析：killing为为 v-ing，作状语。，作状语。The hospital has recently obtained new medical equipment,_(allow)more patients to be treated.(2017 天津)allowingLanguage points:Important sentences(P32)高考链接高考链接1.Hearing the no

20、ise,I turned round.2.Being too young,he couldnt join the army.3.Working hard,youll succeed.4.Admitting what she said,I still think that she hasnt tried her best.5.He walked down the river,singing softly to himself.6.His parents died in the war,leaving him an orphan.时间状语时间状语原因状语原因状语条件状语条件状语让步状语让步状语伴随

21、状语伴随状语结果状语结果状语v-ing 形式作状语形式作状语2.Hopefully,as technology improves,we may have more options for managing this balance.(Text 2 Para.4)随着技术的进步，我们有望会有更多的选择来驾驭这一平衡。随着技术的进步，我们有望会有更多的选择来驾驭这一平衡。as 引导的状语从句引导的状语从句1.He became less active as he grew older.2.As his family was unable to pay tuition,he was forced t

22、o give up his studies.3.When in Rome,do as Romans do.4.Its not so/as difficult as I expected.5.Young as he is,he knows a lot about geography.时间状语时间状语原因状语原因状语让步状语让步状语方式状语方式状语比较状语比较状语【结论结论】as 引导让步状语从句时，引导让步状语从句时，常将句中的表语（包括形容词、常将句中的表语（包括形容词、名词或分词）、状语或动词原形名词或分词）、状语或动词原形提至句首，再将提至句首，再将as置于主语之前置于主语之前，名词前不带冠词名词前不带冠词。