北师大英语必修三-Unit-7-Lesson-2-课件(共52张PPT).ppt（无音视频）

1、Lesson 2 Protecting the Sea必修三必修三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 p

2、ractise 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.Example: 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 f

3、ood such 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 w

4、ords and use them 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 ru

5、bbishoil and petrolindustrial wasteagricultural pollutionchemical pollutionover-fishingListening Strategies (I):Listening for specific information Make sure you know what you have to do, e.g. complete a table, fill in the blanks. If you miss some information, write a question mark to remind you to l

6、isten especially carefully the second time.Listen 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

7、 many fishermen in the same place, better technology 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, fi

8、nding where it comes from, punishing people who cause pollution 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 ex

9、pressions that we use to show interest and keep a conversation going.it sounds like, really, thats a good idea, Yes, I suppose it must be, are they, do you meanInteraction Speaker Some fish can disappear altogether.now there are too many fishermen fishing in the same place. Most of them come from in

10、dustrial and agricultural waste. Some government departments are trying 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 tr

11、y to help people to get other kinds of jobs so there are less people trying 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

12、 etc. As you listen, make notes and use abbreviations, e.g. poll. (=pollution), O-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)

13、 Whats the result of over-fishing?A. There are less fish to catch. B. People can fish too much.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 o

14、f levels of pollution.B. Thinking of ways to reduce pollution.C. All departments must be responsible 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.poll

15、utionover-fishing2. Listen again and finish the tasks.Part II1)What causes over-fishing? Thats when people 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 III

16、What causes pollution?All sorts: chemicals, _, _, oil; most of them come from agricultural and _ waste.plasticrubbishindustrialPart 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 wh

17、ere it comes from, _ people who have broken the law. reducelevelspunishingPart VWhat solutions for over-fishing?The government 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 wor

18、ds and sounds show that the listener is interested or not interested?Part IIPronunciationYes? Mm, were there? Mm, did you really? Mm, Yes? Really? Mm? Mm interestedinterestedinterestednot interestedinterestedinterestednot interested7. Imagine you are doing a project about the sea. Look at the list o

19、f subjects you can choose from and write notes about these things.sea animals, water sports, history of sea travel, ports, sea fishing, 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

20、 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 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

21、?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 communicate.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

22、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 when people fish too much and the number of fish falls too low.the number of (+复数名词复数名词)：的数量的数量作主语时，谓语用单数形式。如：作主语时，谓语用单数形式。如： The numbe

23、r of private cars is increasing. 私家车的数量正在增长。私家车的数量正在增长。 Part IVLanguage pointsa number of (+复数名词复数名词) ：许多，大量的：许多，大量的 作主语时，谓语动词用复数形式。如：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。展览会入口处有许多人。 2. Some government departments are trying to deal with the situati

24、on.deal with sb./sth. 对待、处理（常与对待、处理（常与how连连用）；论及，论述；与用）；论及，论述；与交易交易/做买卖做买卖He knows well how to deal with the problem. 他很了解如何处理这个问题。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我们和那公司做买卖已有10年了。年了。比较：比较：do with sb./sth. 处理、对待、对处理、对待、对付付（常与（常与what连用）连用）What did you do with yourse

25、lf during the vacation?你如何度过你的假日？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；禁止，取缔；n. 禁令禁令ban sth./doing sth. 禁止某事禁止某事/做某事做某事ban sb. from doing sth. 禁止某人做某事禁止某人做某事a ban on 有关有关的禁令的禁令He was banned from dri

26、ving.他被禁止开车。他被禁止开车。There is a ban on smoking in the theatre.剧院里禁止吸烟。剧院里禁止吸烟。4. I did something about protecting the sea.protect vt.保护，防御保护，防御protect sb. /sth. 保护保护protect sb. / sth. from/ against ( doing ) sth. 保护保护以防以防Try to protect your skin from the sun.尽量保护皮肤别让太阳晒到。尽量保护皮肤别让太阳晒到。They fought to pr

27、otect the crops.他们努力地为保护庄稼而战。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烈阳光他戴着太阳镜以保护眼睛免受强烈阳光的照射。的照射。defend /guard sb. /sth. from (doing) sth. 保卫保卫免受免受prevent/ stop/ keep /hold back . from (doing) sth.阻止阻止/防止防止 (做做)某事某事*本句型中本句型中“keep from (doing)

28、sth.”中中的的from不能省略，而其它则可以省去不能省略，而其它则可以省去from。protection n. 保护保护【拓展拓展】5. If you miss some information, write a question mark to remind you to listen especially carefully the second time.remind vt. 提醒，使想起提醒，使想起用法点睛用法点睛1) remind sb. of/ about sth. 使某人想起某使某人想起某事；提醒某人某事事；提醒某人某事 2) remind sb. to do sth.提醒某

29、人做某事提醒某人做某事3) remind sb. of doing sth. 提醒某人提醒某人/使某使某人想起已经做了某事人想起已经做了某事4 ) remind sb. +从句从句典例链接典例链接The old pictures remind me of my childhood. 那些老照片使我想起童年的时光。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。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。他提醒我已经回了他的信了。

30、This reminded me that there was a meeting to attend.这使我想起要参加一个会议。这使我想起要参加一个会议。6. mostly adv. 大部分，主要地大部分，主要地 almost adv. 几乎，差不多几乎，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。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。我们差不多见到了全体的学生。7. responsible (常与常与to

31、, for连用连用)有责任的；应负责任的有责任的；应负责任的We are responsible for our own action.我们要为自己的行为负责。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。约翰负责组织晚会。Whos responsible for the terrible mess? 谁应该对这种混乱负责？谁应该对这种混乱负责？ AS a boy, I know, I was responsible to help her. 作为个男生作为个男生, 我知道我知道, 我有责任帮助她。我有责任帮助她。 HomeworkRemember the new words and expressions in this part.