Unit+3+Using+Language 高中英语人教版（2019）选择性必修第四册.pptx

《Unit+3+Using+Language 高中英语人教版（2019）选择性必修第四册.pptx》由会员分享，可在线阅读，更多相关《Unit+3+Using+Language 高中英语人教版（2019）选择性必修第四册.pptx（17页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Unit3Unit3readingforwritingreadingforwritingWhat are the advantages and disadvantages of sea exploration?discover new speciesdetect energy resourcespredict potential disastersplastic wasteoverfishingoil leakingfast reading1.Whats the type of the essay?What are included in this kind of essay?2.What i

2、s the writers attitude towards sea exploration in each essay?Can you find the topic sentences?argumentative essay(argument,evidence,restatement/recommendation/a call to action)essay1:Sea exploration has caused many problems and will continue to cause more.(opposed)essay2:Sea exploration is important

3、 for our future.(supportative)careful readingRead the first essay.Underline the argument and evidence and create a mind map.argumentsea exploration caused problemsevidencepollutionminingoverfishingrestatementless exploration and more protectionmain point(para 1)body part(para2-4)conclusion(para 5)Ho

4、w did the evidence prove the points?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

5、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

6、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 int

7、elligent 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.facts,datacause and effectexamples,facts,dataWhat other ways can be used to prove the points?What way

8、s are used to prove the points in following sentences?1.The exam is rather difficult.80 percent students in our class failed.2.The key to learning English well is to keep practicing.Just as the saying goes“practice makes perfect.”3.There are many ways to learn English with fun,such as listening to E

9、nglish songs and watching English movies.4.Many of the students stay up late each Saturday night.Therefore,they are always sleepy the next day.data/figures/statisticsfactsquoteexamplescause and effect5.Everyone will encounter difficulty in learning English.As for me,spoken English is the biggest pro

10、blem.6.Taking in too much sugar does harm to our hearts.It is recommended by the experts that we should cut down on it.What ways are used to prove the points in following sentences?personal experienceexpert opinionschartsWhich one supports which text?text2text1mind map for essay 1argumentsea explora

11、tion caused problemsevidencepollutionminingoverfishingrestatementless exploration and more protectionfacts,datacause and effectexamples,datacareful readingRead the second essay and create a mind map in your group.argumentevidencerestatementsea exploration is important for our futuresea exploration i

12、s important for our futurehelp us manage its resources betterwe need new resources for future developmentThe balance should be managedexamplelearn for language1.When people talk of exploring the sea more,they usually mean exploiting it.=when talking of/when it comes to2.Plastic pollution is also bad

13、,killing many birds and fish,and has even been found in our tap water.结果状语仿写：人们往海里排放废水，破坏了生态系统。People have released waste water into the ocean,damaging the ecosystem.3.Because of climate change,there is less ice now,which means we can look for more fossil fuels further north.仿写：由于过度捕捞，许多海洋生物的数量锐减，这意

14、味着生物多样性遭受到了巨大威胁。Because of overfishing,the populations of many sea creatures have declined sharply,which means biodiversity is facing great threat.定语从句4.Understanding more about the sea will also help us manage its resources.Logging new species will improve our understanding of life on earth.Accessi

15、ng the deep ocean may also help us to predict events such as earthquakes.V-ing作主语仿写：打破自然的平衡会对人类有非常恶劣的影响。Breaking the balance of nature will have a bad influence on human beings.5.Although this was banned in 1982,some countries are still“murdering”these intelligent creatures without mercy.让步状语从句仿写：尽管

16、人们已经采取了措施去保护环境，自然仍需要花好多年才能恢复。Although people have taken measures to protect environment,it will still take many years for nature to restore.6.If we do not protect it,future generations will not forgive us.仿写：如果我们继续探索，我们就有可能获得更丰富的资源。条件状语从句If we go on exploring,its likely for us to gain richer resourc

17、es.post-reading:Why do we need to protect the ocean?It covers 70%of the Earths surface,provides the oxygen we breathe.It feeds us and regulates our climate.We share one ocean.But human impacts are threatening the oceans fragile ecosystems,and the benefits it provide us.Plastic was invading every last corner of the worlds seas.