Unit 3 Reading for Writing(ppt课件)-2022新人教版（2019）《高中英语》选择性必修第四册.pptx

1、Reading for Writing Unit 3 Sea ExplorationExpress your opinions on sea explorationThe ocean is the body of salt water which covers approximately 71%of the surface of the Earth.Humans have been using the ocean for a variety of purposes,for example:navigation,exploration,war,travel,trade,food,leisure,

2、power generation,extractive industries.Should the sea be explored?Understand how we are affecting and being affected by changes in Earths environment.Better understand and respond to earthquakes,tsunamis,and other hazards.Effectively manage,conserve,regulate,and use ocean resources.Lead to overfishi

3、ng.Lead to pollution.Read the two texts below and find the arguments and evidence in them.Arguments&EvidenceText 1ArgumentEvidenceExploration causes pollution.Deepwater Horizon oil spillPlastic pollutionMining for resources is damaging.It hurts the Arctic.Burning fossil fuels adds to climate change.

4、Overfishing is an issue.Whales and dolphins are hunted.Banned,but some countries still doing it.Text 2ArgumentEvidenceSea exploration is important for our future.Scientific research ships can helpaddress important issues like climate change.Understanding more about the sea will also help us manage i

5、ts resources better.New medicines,food resources and energy.Predict events such as earthquakes.We need new resources for future development.Vast amounts of resouces may be under the sea and ice.Arguments&EvidenceText _Look at the two charts below and decide which one supports which text.2Text _1In g

6、roups,discuss the following questions and take notes.1.What is your opinion about sea exploration?Do you agree with one argument more than the other?2.Has your opinion changed after reading the two texts?Why or why not?I think sea exploration is a wonderful idea,because even if there are no immediat

7、e rewards for it,to explore and find out more about our world is always a good thing.Yes,my opinion has changed.Before reading Text 1,I did not know that sea exploration could add to sea pollution,via deep sea drilling for example.In groups,discuss the following questions and take notes.3.Are there

8、any other aspects of sea exploration not mentioned that you think are important?We do not know what we dont know;We need to explore the ocean so that we can better understand issues such as acidification which leads to seawater to become more acidic,and how to fight theseproblems;Studying the ocean

9、causes the creation of new technologies that can help us in other areas.Writing:Argumentative essay on sea explorationBased on your note,write an argumentative essay on sea exploration,expressing your opinions with supporting facts.The following questions may help you.What is the purpose of sea expl

10、oration?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?EvidenceWhat facts and examples can you fi

11、nd to support your point?How reliable are the sources?ExplanationExplain how the facts 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.【文章架构】明确体裁话题议论文，探索海洋确定时态人称一般现在时，第一人称布局文章架构首段：提出论点中段：事例论据尾段：

12、明确结论列出核心要点1.使海洋可持续发展2.了解海洋环境3.更好地了解气候Useful ExpressionsMany nations have been faced with the problem of.Recently the problem has been brought into focus.Recently the issue has aroused great concern among.Nowadays there is a growing concern over.Never in our history has the idea that.been so popular.

13、Faced with.quite a few people argue that.According to a recent survey.With the rapid development of.论点Some people think/believe that.,other argue/claim that.The opposite/reverse is.Obviously it has both advantages and disadvantages .has many advantages.For example.However,just as every coin has two

14、sides,.has its disadvantages It play(s)an important rolepart in.With the development of our economy and society，pollution is more and more serious论据From what has been discussed above,we can draw the conclusion that.It is high time that.We should take measures to control the rapidly increasing world

15、population The government decided to take strong measures against.It is necessary that steps should be taken to.There is no easy method,but.might be of some help.To solve the above-mentioned problem,we must.In summary,if we continue to ignore the above-mentioned issue,more problems will crop up.结论Sa

16、mple WritingEven though the oceans make up about 70%of the earths surface,more than 80%of the oceans remain unexplored.While some people say that we should not explore the oceans,their reasoning is not very sound.Exploring is not the same as exploiting.When we explore a place,we go just to see and u

17、nderstand what is there.We should explore the ocean,first and foremost,because we do not know what we do not know.We thought we knew many about the ocean,but we were wrong.There could be life forms in the ocean,for example,that fit none of the neat categories we have for life while we have no clue t

18、hat they even exist.This brings up the second point.We already know many things about the ocean,but we need to learn more.A good example is ocean acidification.We know that it is causing coral to die.We know that using less fossil fuel would cause the process to slow down.However,we need to learn mo

19、re to find out how to stop it.We need more research to see what is going on,and to come up with plans and solutions.Finally,to do this research,we have to enter an extreme environment not very friendly to humans.This requires the development of new technologies that can also benefit us in other area

20、s.For example,in many ways,the deep ocean resembles outer space.The technologies can benefit each other.For another instance,the technology of a mechanical arm to collect samples with has been used in factories and development of artificial limbs for humans.All in all,there are many good reasons to explore the oceans.If we care about science,about protecting our oceans,and about developing new technologies,we need to do all we can to supportocean exploration.