高中英语Unit 7 The SeaLesson 2 Protecting the Sea课件 北师大 必修3.ppt

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1、Lesson 2 Protecting the Lesson 2 Protecting the SeaSea2021/8/11 星期三1the pure and beautiful sea2021/8/11 星期三2The sea is not only beautiful,but also very important to us.Do you know how important the sea is to us?_ fish in the sea,find many more things for food in the sea-_ foodswim in the seause the

2、wave in the sea to _ electricitydevelop the _ and natural gas in the sea_ the goods by seacatchseaproducepetroltransport2021/8/11 星期三3dirtyHowever,do you know how the sea is now?The sea is being ill now.It is badly polluted.polluted2021/8/11 星期三4We should protect the sea.2021/8/11 星期三5What makes the

3、 seaDiscussionagricultural wasteindustrial wastechemicalplasticoilrubbishoverfishing2021/8/11 星期三6ListeningWhat is Zhi Hongs project about?Its about protecting the sea.2021/8/11 星期三7Listen to learnListening strategies:Before you listen,have a look at the exercises quickly and use your background kno

4、wledge to guess the answers.The first time you listen to the tape,try to catch the general idea.The second time you listen,you can finish the exercises.Before you listen,use the headings or topics to help you.Take notes:e.g.write poll.instead of pollution when you miss some information,write a quest

5、ion mark to remember,listen carefully the second time.2021/8/11 星期三8ListeningQ1:What are the 2 main problems?Q3:What are the reasons for the 1st problem?Q2:What are the causes for the 2nd problem?pollutionOver-fishingtoo many fishermen in the same placebetter technologychemicalplasticrubbishoilagric

6、ultural wasteindustrial waste2021/8/11 星期三9Q4:What are the solutions to the 1st problem?Q5:What are the solutions to the 2nd problem?Look for ways to reduce pollutionKeep a record of levels of pollutionPunish pollutersControl the numbers of fishBan fishing completelyHelp people to get other kinds of

7、 jobs2021/8/11 星期三10Listen to the interview and complete the table.Listen to the interview and complete the table.problem1problem2problem2Reasons for problem2Causes for problem1Causes for problem1Solutions to problem1Solutions to problem1Solutions to problem2Solutions to problem2 pollutionpollutiono

8、ver-fishingover-fishingtoo many fishermen in the same placetoo many fishermen in the same placebetter technology can catch more fishbetter technology can catch more fishchemicals,plastic,rubbish,oil,fromchemicals,plastic,rubbish,oil,fromindustrial waste and agricultural wasteindustrial waste and agr

9、icultural wastegovernment departments look for waysgovernment departments look for ways to reduce pollution,keep a record of to reduce pollution,keep a record of levels of pollution,find where it levels of pollution,find where it comes from,punish the polluterscomes from,punish the polluterscontrol

10、the number of fish that people catch,ban fishing completely and help people to get other jobs2021/8/11 星期三11Q7:How does over-fishing come out?Q6:What is over-fishing?Listeningpeople fish too much and the number of fish falls too lowThere are too many fishermen in the same placeFishermen today have b

11、etter technology2021/8/11 星期三12Listen to the interview again,and choose the right words and expressions to complete the sentences1)Really?2)Do you mean 3)It sounds like4)Are they?5)Yes,I suppose it must be.6)Thats a good idea.2021/8/11 星期三13conclusionover-fishingpollutionindustrial wasteagricultural

12、 wasteplasticoilchemicalsrubbishlistening strategies use the headings or topics to help youhow to make notesthe problems of the sea2021/8/11 星期三14What is happening to the sea?Agriculture also has bad effects on the sea.2021/8/11 星期三15What is happening to the sea?Some factories pull the waste water i

13、nto the sea.2021/8/11 星期三16What is happening to the sea?The oil makes the sea polluted.2021/8/11 星期三17What is happening to the sea?over-fishing2021/8/11 星期三18What is happening to the sea?Rubbish is polluting the sea and the beach2021/8/11 星期三19What is happening to the sea?Plastic,which wont break down,is called White Pollution2021/8/11 星期三20The End2021/8/11 星期三212021/8/11 星期三22