Lesson2ProtectingtheSea.ppt

1、Unit 7 The Sea,Lesson 2 Protecting the Sea,Before listening,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.,sea food,oil under the sea,sea transport,wave energy,2.

2、 What is sea pollution? Find the meanings of these key words and use them to talk about the issue. Example A: There is a lot of industrial waste in the sea. B: How can we deal with this problem?,pollution,plastic and rubbish,oil and petrol,industrial waste,agricultural pollution,chemical pollution,o

3、ver-fishing,Listening,1. Listen and choose the right answers:,Listening 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 listen especially careful

4、ly the second time.,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. C. They c

5、an catch more fish than before by better technology.,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 responsible for finding where pollution comes from

6、.,Answers:,C, A, B,Listening Strategies (II): 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-F. (= over-fishing).,2. Listen again and finish

7、 the tasks.,Part I 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.,pollution,over-fishing,Part II What causes over-fishing? Thats when people fish _ and the number of fish _ too low. Some fish may d

8、isappear _. 2) What do fishermen hope to do?,They hope to catch more fish, but there are less fish to catch.,too much,falls,altogether,Part III What causes pollution? All sorts: chemicals,_, _, oil; most of them come from agricultural and _ waste.,plastic,rubbish,industrial,Part IV What solutions do

9、es 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.,reduce,levels,punishing,Part V What solutions for over-fishing? The government tries to _ the num

10、ber of _that people can catch. They also try to _ people to get other kinds of _.,control,fish,help,jobs,3. Complete the table to summarize.,pollution,over-fishing,Too many fishermen in the same place, better technology can catch more fish.,Chemicals, plastic, rubbish, oil, some from industrial wast

11、e and agricultural waste.,Government departments, look for ways to reduce pollution, keep a record of levels of pollution, finding where it comes from, punishing polluters who break the law.,Control the number of fish that people can catch, ban fishing completely, help people to get other kinds of j

12、obs.,4. 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 conversation going.,it sounds like, really, thats a good idea, Yes, I suppose it must be, are they, do you mean,Interaction Speaker Some fis

13、h 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 to deal with the situation.,Listener (1)_? (2)_ that there are more fishermen now than there were before? (3)_a big

14、 problem?,Really,Do you mean,It sounds like,often 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 trying to make a living from fishing.,(4)_? (5)_ (6)_,Are they,Yes, I suppose it must be.,Thats a good idea.,

15、Pronunciation: Showing Interest Listen to the conversation. Which words and sounds show that the listener is interested or not interested?,Yes? Mm, were there? Mm, did you really? Mm Yes? Really? Mm? Mm,interested,interested,interested,not interested,not interested,interested,interested,not interest

16、ed,Writing and Speaking 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, science and the sea,Which subject are you interested in? What do you alrea

17、dy 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?,Now work in pairs. Take turns to tell each other about your projects. When you listen, try to show interests. Example A: What are you going to do

18、 for your sea project? B: Im interested in sea animals. A: Oh, really? B: Yes, I like dolphins, theyre very interesting. ,Language points Thats 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

19、增长。 a 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 government 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

20、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 vocation?你如何度过你的假日？,3. In the worst area they ban fishing completely for a new months at a time so that the fish numbers can grow again. ban vt. 禁止，取缔；n. 禁令 ban s

21、th./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. 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

22、 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烈阳光的照射。,【联想拓展】 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,5. If you miss some information, write