Unit3 Sea exploration Using language -ppt课件 2021-2022学年高中英语新人教版选择性必修第四册.pptx

1、UNIT 3 SEA EXPLORATIONUsing Languagepredict potential disastersdiscover new speciesdetect energy resourcesplastic wasteoverfishingoil leakingWhat are the advantages and disadvantages of sea exploration?Should the sea be explored?1.What are the two authors opinions about the sea exploration?opposedsu

2、pportive2.What is the text type of the two texts?Argumentative essay3.Read the two texts and find the arguments and 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 d

3、amaging.It hurts the Arctic.Burning fossil fuels adds to climate change.3.Overfishing is an issue.Whales and dolphins 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)M

4、ain Point(Para.1)Body(Para.2 4)(sub-points&supporting ideas)Reading：Main 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 medi

5、cines,food resources and energy.Predict events such as 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.海星具有解毒散结、和胃海星具有解毒散结、和胃止痛、软坚散结之功效。止痛、软坚散结之功效。常用于甲状腺肿大、胃痛常用于甲状

6、腺肿大、胃痛泛酸、腹泻、中耳炎等症。泛酸、腹泻、中耳炎等症。海马具有强身健体、补肾、海马具有强身健体、补肾、舒筋活络、消炎止痛、镇舒筋活络、消炎止痛、镇静安神、止咳平喘等药用静安神、止咳平喘等药用功效。功效。Look at the two charts below and decide which one supports which text.Text 2Text 1 Exploration and mapping of the deep sea would be for the betterment of all citizens not just in economic terms bu

7、t in 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 the sea be explored?1.What is the purpose of sea exploration?2.Is there a good balance between protection and exploitation?Post-reading:W

8、riting (Discussion)近些年近些年,海洋旅游业发展迅速。假定你是你校英文报的一名海洋旅游业发展迅速。假定你是你校英文报的一名记者记者,请以请以“The advantages and disadvantages of developing ocean tourism”为题为题,写一篇报道写一篇报道,谈谈发展海洋旅游的利与弊。内容谈谈发展海洋旅游的利与弊。内容包括包括:(1)发展海洋旅游的利与弊发展海洋旅游的利与弊;(2)你如何看待海洋旅游的发展。你如何看待海洋旅游的发展。注意注意:(1)词数词数80左右左右;(2)可以适当增加细节，以使行文连贯。可以适当增加细节，以使行文连贯。W

9、riting Writing:Some useful expressions you can use in your writing1.There is a heated debate over the exploration of sea,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

10、for your special attention is that.5.6.Necessary as sea exploration is,it does lead to a handful of problems,including.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.The advantages and disadva

11、ntages of developing ocean tourism In recent years,the ocean tourist industry has become the new growth of economic development in coastal areas,which is considered to have great economical potential by some experts.However,in addition to the huge profit it brings,there is increasing concern about the popularity of ocean tourism.Some people hold the view that it will cause serious ocean pollution and crowded tourists will ruin the balance between nature and human beings.In my view,we need to protect our environment while developing ocean tourism.Sustainable development does matter.