北师大版英语必修三 UNIT 7 LESSON 2 课件（共52张PPT） .ppt

1、Lesson 2 Protecting the Sea必修三Unit 7 The Sea To practise listening for specific information.To practise using abbreviation for notes.To practise showing that you are following what the other person is saying.To practise showing interest when listening to another speaker in a conversation.To practise

2、 involving the person who is listening to you.Objectives1.How do people use the sea?How is the sea important to people?Discuss in pairs.2.Example:3.People catch fish in the sea.There are many more things that we can find for food in the sea.Part IListeningBefore you start People can get sea food suc

3、h as:fish,sea animals and plants;the sea is rich in many natural resources.We can get oil,natural gas and some metals.Besides,the sea has a great effect on climate on the earth.sea foodoil under the seasea transportwave energy 2.What is sea pollution?Find the meanings of these key words and use them

4、 to talk about the issue.ExampleA:There is a lot of industrial waste in the sea.B:How can we deal with this problem?Key Words:pollute,pollution,over-fishing,industrial waste,agricultural waste,plastic,oil,chemicals,rubbish,deal with a problem,banpollutionplastic and rubbishoil and petrolindustrial w

5、asteagricultural pollutionchemical pollutionover-fishingListening Strategies(I):Listening for specific information Make sure you know what you have to do,plete a table,fill in the blanks.If you miss some information,write a question mark to remind you to listen especially carefully the second time.L

6、isten to learn3.Listen to the conversation.What is Zhi Hongs project about?Do something about protecting the sea.4.Listen to the conversation again and complete the table.Problem 1Problem 2Causes for Problem 1Causes for Problem 2pollutionover-fishingToo many fishermen in the same place,better techno

7、logy can catch more fish.Chemicals,plastic,rubbish,oil,some from industrial waste and agricultural waste.Solutions to Problem 1Solutions to Problem 2Government departments,look for ways to reduce pollution,keep a record of levels ofpollution,finding where it comes from,punishing people who cause pol

8、lution and break the law.Control the number of fish that people can catch,ban fishing completely,help people to get other kinds of jobs.5.Listen to the conversation a third time.Complete the sentences in the Function File with words and expressions that we use to show interest and keep a conversatio

9、n going.it sounds like,really,thats a good idea,Yes,I suppose it must be,are they,do you meanInteractionSpeakerSome fish can disappear altogether.now there are too many fishermen fishing in the same place.Most of them come from industrial and agricultural waste.Some government departments are trying

10、 to deal with the situation.Listener(1)_?(2)_ that there are more fishermen now than there were before?(3)_a big problem.ReallyDo you meanIt sounds likeoften its quite difficult to find whos responsible for pollution.They also try to help people to get other kinds of jobs so there are less people tr

11、ying to make a living from fishing.(4)_?(5)_ _(6)_ _Are theyYes,I suppose it must be.Thats a good idea.Listening for specific information Use the headings or topics from the questions to help you.e.g.problem 1,subject,causes etc.As you listen,make notes and use abbreviations,e.g.poll.(=pollution),O-

12、F.(=over-fishing).Listening Strategies(II):1)What can be done about over-fishing?A.Man-made raising fish.B.In the worst areas they ban fishing for several years.C.Control the number of fish people can catch.2)Whats the result of over-fishing?A.There are less fish to catch.B.People can fish too much.

13、1.C.They can catch more fish than before by better technology.1.Listen and choose the right answers:3)What are some government departments doing about sea pollution?A.Punishing people who keep a record of levels of pollution.B.Thinking of ways to reduce pollution.C.All departments must be responsibl

14、e for finding where pollution comes from.Part I1)Whats the subject of Zhi Hongs science project?2)What are the problems about?First,theres _.And second theres _.It is about protecting the sea.pollutionover-fishing2.Listen again and finish the tasks.Part II1)What causes over-fishing?Thats when people

15、 fish _ and the number of fish _ too low.Some fish may disappear _.2)What do fishermen hope to do?They hope to catch more fish,but there are less fish to catch.too muchfallsaltogetherPart IIIWhat causes pollution?All sorts:chemicals,_,_,oil;most of them come from agricultural and _ waste.plasticrubb

16、ishindustrialPart IVWhat solutions does the government find to deal with pollution?Government departments are looking for ways to _ pollution,keep a record of _ of pollution,finding where it comes from,_ people who have broken the law.reducelevelspunishingPart VWhat solutions for over-fishing?The go

17、vernment tries to _ the number of _that people can catch.They also try to _ people to get other kinds of _.controlfishhelpjobsShowing Interest6.Listen to the conversation.Which words and sounds show that the listener is interested or not interested?Part IIPronunciationYes?Mm,were there?Mm,did you re

18、ally?Mm,Yes?Really?Mm?Mm interestedinterestedinterestednot interestedinterestedinterestednot interested7.Imagine you are doing a project about the sea.Look at the list of subjects you can choose from and write notes about these things.sea animals,water sports,history of sea travel,ports,sea fishing,

19、science and the seaPart IIIWriting and SpeakingWhich subject are you interested in?What do you already know about the subject?What do you need to find out about the subject?How can you find out more about the subject?How will you present your project?8.Now work in pairs.Take turns to tell each other

20、 about your projects.When you listen,try to show interests.ExampleA:What are you going to do for your sea project?B:Im interested in sea animals.A:Oh,really?B:Yes,I like dolphins,theyre very interesting.A:Mm.I see.Whats interesting about them?B:Well,theyre animals of high intelligence and they can c

21、ommunicate.A:Wow!Why are they so intelligent?B:Thats what I want to find out.A:Really?B:Yeah,Ill get some books from the library and Ill also try to go and see some dolphins.A:Mm,Id like to see your project.B:OK,Im going to make a project book with lots of pictures in it.A:Thats sounds great!1.Thats

22、 when people fish too much and the number of fish falls too low.the number of(+复数名词)：的数量作主语时，谓语用单数形式。如：The number of private cars is increasing.私家车的数量正在增长。Part IVLanguage pointsa number of(+复数名词)：许多，大量的作主语时，谓语动词用复数形式。如：A number of people were at the entrance to the exhibition.展览会入口处有许多人。2.Some gover

23、nment departments are trying to deal with the situation.deal with sb./sth.对待、处理（常与how连用）；论及，论述；与交易/做买卖He knows well how to deal with the problem.他很了解如何处理这个问题。We have dealt with that store for 10 years.我们和那公司做买卖已有10年了。比较：do with sb./sth.处理、对待、对付（常与what连用）What did you do with yourself during the vacat

24、ion?你如何度过你的假日？3.In the worst area they ban fishing completely for a few months at a time so that the fish numbers can grow again.ban vt.禁止，取缔；n.禁令ban sth./doing sth.禁止某事/做某事ban sb.from doing sth.禁止某人做某事a ban on 有关的禁令He was banned from driving.他被禁止开车。There is a ban on smoking in the theatre.剧院里禁止吸烟。4

25、.I did something about protecting the sea.protect vt.保护，防御protect sb./sth.保护protect sb./sth.from/against(doing)sth.保护以防Try to protect your skin from the sun.尽量保护皮肤别让太阳晒到。They fought to protect the crops.他们努力地为保护庄稼而战。He is wearing sunglasses to protect his eyes from the strong sunlight.他戴着太阳镜以保护眼睛免受强

26、烈阳光的照射。defend/guard sb./sth.from(doing)sth.保卫免受prevent/stop/keep/hold back.from(doing)sth.阻止/防止(做)某事*本句型中“keep from(doing)sth.”中的from不能省略，而其它则可以省去from。protection n.保护【拓展】5.If you miss some information,write a question mark to remind you to listen especially carefully the second time.remind vt.提醒，使想起

27、用法点睛1)remind sb.of/about sth.使某人想起某事；提醒某人某事2)remind sb.to do sth.提醒某人做某事3)remind sb.of doing sth.提醒某人/使某人想起已经做了某事4)remind sb.+从句典例链接The old pictures remind me of my childhood.那些老照片使我想起童年的时光。We were reminded to keep our promise.我们被提醒要信守承诺。He reminded me of my answering his letter.他提醒我已经回了他的信了。This re

28、minded me that there was a meeting to attend.这使我想起要参加一个会议。6.mostly adv.大部分，主要地almost adv.几乎，差不多The continent of Antarctica is mostly covered with ice.南极大陆大部分地区覆盖着冰。We almost saw all of the students.我们差不多见到了全体的学生。7.responsible (常与to,for连用)有责任的；应负责任的We are responsible for our own action.我们要为自己的行为负责。John is responsible for organizing the party.约翰负责组织晚会。Whos responsible for the terrible mess?谁应该对这种混乱负责？AS a boy,I know,I was responsible to help her.作为个男生,我知道,我有责任帮助她。HomeworkRemember the new words and expressions in this part.