北师大版必修3Unit7Lesson2protectingthesea课件.ppt

《北师大版必修3Unit7Lesson2protectingthesea课件.ppt》由会员分享，可在线阅读，更多相关《北师大版必修3Unit7Lesson2protectingthesea课件.ppt（39页珍藏版）》请在三一办公上搜索。

1、Lesson 2 Protecting the Sea,Lesson 2 Protecting the Sea,Lets enjoy the wonderful sea and its rich recourses,Lets enjoy the wonderful sea,北师大版必修3-Unit7-Lesson-2-protecting-the-sea课件,北师大版必修3-Unit7-Lesson-2-protecting-the-sea课件,北师大版必修3-Unit7-Lesson-2-protecting-the-sea课件,the pure and beautiful sea,the

2、pure and beautiful sea,The sea is not only beautiful,but also very important to us.,How do people use the sea?Do you know how important the sea is to us?,catch,sea,produce,petrol,transport,The sea is not only beautiful,dirty,However,do you know how the sea is now?,The sea is being ill now.It is badl

3、y polluted.,polluted,dirtyHowever,do you know how t,Oil and petrol polluted the sea,Oil and petrol polluted the se,Two oil-ships crashed and the oil leaked into the sea,Two oil-ships crashed,Sea pollution caused fish and sea animals to die,Sea pollution caused fish and,Rubbish and plastic polluted t

4、he water .,Rubbish and plastic polluted t,over-fishing,over-fishing,chemical waste,chemical waste,What makes the sea,Discussion,agricultural waste,industrial waste,chemical,plastic,oil,rubbish,overfishing,What makes the seaDiscussionag,We should protect the sea.,We should protect the sea.,Listening,

5、What is Zhi Hongs project about?,Its about protecting the sea.,ListeningWhat is Zhi Hongs pr,Listen to the interview and complete the table.,pollution,over-fishing,too many fishermen in the same placebetter technology can catch more fish,chemicals,plastic,rubbish,oil,fromindustrial waste and agricul

6、tural waste,government departments look for ways to reduce pollution,keep a record of levels of pollution,find where it comes from,punish the polluters,control the number of fish that people catch, ban fishing completely and help people to get other jobs,Listen to the interview and co,Interaction Sp

7、eaker Listener Some fish can disappear (1)_Altogether.now there are too many (2)_fishermen fishing in the that there are more same place. fishermen now than there were before?It mostly comes fromIndustrial waste from (3)_factories and agricultural a big problemwaste from faming.,Really?,Do you mean,

8、It sounds like,Interaction Really?Do you mean,Some government (4)_Departments are tryingto deal with the situation.often its quite difficult (5)_to find whos responsible _ for pollution.They also try to help (6)_people to get other kinds of jobs so there are lesspeople trying to make a living from f

9、ishing,Are they?,Yes, I supposeit must be,Thats a good idea.,Some government,Listen to the interview again,and choose the right words and expressions to complete the sentences,1) Really?,2) Do you mean,3) It sounds like,4) Are they ?,5) Yes,I suppose it must be.,6) Thats a good idea.,Listen to the i

10、nterview again,Tapescript,Fang Zhou is asking Zhi Hong about her science project.,FZ: Hey, Zhi Hong, what did you do for your science project?ZH: I did something about protecting the sea.,TapescriptFang Zhou is asking,FZ: Protecting the sea from what?ZH: Well, first theres pollution. Thats a big pro

11、blem. And second, theres over-fishing. FZ: Whats over-fishing?ZH: Thats when people fish too much and the number of fish falls too low. Some fish may disappear altogether.,FZ: Protecting the sea from wh,FZ: Really?ZH: Yes, now there are too many fisher men fishing in the same place.FZ: Do you mean t

12、hat there are more fishermen now than there were before?,FZ: Really?,ZH: Yes, there are many more. And fishermen today have better technology so they can catch more fish than before.FZ: So there are more fishermen catching more fish?,ZH: Yes, there are many more.,ZH: Well, they hope to catch more fi

13、sh, but there are less fish to catch, so they simply cant.FZ: Thats bad.ZH: Yes, and pollution is very bad, too.FZ: What causes pollution?,ZH: Well, they hope to catch m,ZH: All sorts: chemicals, plastic, rubbish, oil; most of them come from industrial and agricultural waste.FZ: It sounds like a big

14、 problem.ZH: Yes, it is a big problem.FZ: How have these two problems been handled?,ZH: All sorts: chemicals, plas,ZH: Well, some government departments are trying to deal with the situation.FZ: Are they?ZH: Yes, some look for ways to reduce pollution, some keep a record of levels of pollution, othe

15、r departments are responsible for,ZH: Well, some government depa,finding where it comes from and punishing people who have broken the law by causing pollution. Of course, often its quite difficult to find whos responsible for pollution.FZ: Yes, I suppose it must be. What about over-fishing? What can

16、 be done about that?,finding where it comes,ZH: The government tries to control the number of fish that people can catch .In the worst areas they ban fishing completely for a few months at a time so that the fish numbers can grow again. They also try to help people to get,ZH: The government tries to

17、 co,other kinds of jobs so there are less people trying to make a living from fishing. FZ: Thats a good idea.ZH: Lets hope it works!,other kinds of jobs so,conclusion,over-fishing,pollution,industrial waste,agricultural waste,plastic,oil,chemicals,rubbish,listening strategies,use the headings or top

18、ics to help you,how to make notes,the problems of the sea,conclusionover-fishingpollutio,What is happening to the sea?,Agriculture also has bad effects on the sea .,agricultural waste,What is happening to the sea?,What is happening to the sea?,Some factories pull the waste water into the sea.,indust

19、rial waste,What is happening to the sea?S,What is happening to the sea?,The oil makes the sea polluted.,What is happening to the sea?T,What is happening to the sea?,over-fishing,What is happening to the sea?o,What is happening to the sea?,Rubbish is polluting the sea and the beach,What is happening to the sea?R,What is happening to the sea?,Plastic, which wont break down, is called White Pollution,What is happening to the sea?P,The End,The End,