北师大版必修3-Unit7-Lesson-2-protecting-the-sea课件

1、Lesson 2 Protecting the SeaLesson 2 Protecting the SeaLets enjoy the wonderful sea and its rich recoursesLets 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 seathe pure an

2、d beautiful seaThe 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?_ fish in the sea,find many more things for food in the sea-_ foodswim in the seause the wave in the sea to _ electricitydevelop the _ and natural gas in th

3、e sea_ the goods by seacatchseaproducepetroltransportThe sea is not only beautiful,dirtyHowever,do you know how the sea is now?The sea is being ill now.It is badly polluted.polluteddirtyHowever,do you know how tOil and petrol polluted the sea Oil and petrol polluted the seTwo oil-ships crashed and t

4、he oil leaked into the sea Two oil-ships crashed Sea pollution caused fish and sea animals to dieSea pollution caused fish and Rubbish and plastic polluted the water .Rubbish and plastic polluted tover-fishingover-fishingchemical wastechemical wasteWhat makes the seaDiscussionagricultural wasteindus

5、trial wastechemicalplasticoilrubbishoverfishingWhat makes the seaDiscussionagWe should protect the sea.We should protect the sea.ListeningWhat is Zhi Hongs project about?Its about protecting the sea.ListeningWhat is Zhi Hongs prListen to the interview and complete the blem1problem2Reasons f

6、or problem2Causes for problem1Solutions to problem1Solutions to problem2 pollutionover-fishingtoo many fishermen in the same placebetter technology can catch more fishchemicals,plastic,rubbish,oil,fromindustrial waste and agricultural wastegovernment departments look for ways to reduce pollution,kee

7、p a record of levels of pollution,find where it comes from,punish the polluterscontrol the number of fish that people catch, ban fishing completely and help people to get other jobsListen to the interview and coInteraction Speaker Listener Some fish can disappear (1)_Altogether.now there are too man

8、y (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 meanIt sounds likeInteraction Really?Do you meanSome government (4)_Departments ar

9、e 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 fishingAre they?Yes, I supposeit must be Thats a good idea.Some government Listen

10、 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.Listen to the interview again,TapescriptFang Zhou is asking Zhi Hong about her science project. FZ: Hey

11、, 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 problem. And second, theres over-fishing. FZ: Whats over-fishing?ZH: Thats when people fish t

12、oo much and the number of fish falls too low. Some fish may disappear altogether.FZ: Protecting the sea from whFZ: Really?ZH: Yes, now there are too many fisher men fishing in the same place.FZ: Do you mean that there are more fishermen now than there were before?FZ: Really?ZH: Yes, there are many m

13、ore. 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 fish, but there are less fish to catch, so they simply cant.FZ: Thats bad.ZH: Yes, and pollution

14、is very bad, too.FZ: What causes pollution?ZH: Well, they hope to catch mZH: All sorts: chemicals, plastic, rubbish, oil; most of them come from industrial and agricultural waste.FZ: It sounds like a big problem.ZH: Yes, it is a big problem.FZ: How have these two problems been handled?ZH: All sorts:

15、 chemicals, plasZH: 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, other departments are responsible forZH: Well, some government depa finding where it comes from and pun

16、ishing 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 be done about that? finding where it comes ZH: The government tries to control the number of fish t

17、hat 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 getZH: The government tries to co other kinds of jobs so there are less people trying to make a living from fishing. FZ: Thats a go

18、od idea.ZH: Lets hope it works! other kinds of jobs so conclusionover-fishingpollutionindustrial wasteagricultural wasteplasticoilchemicalsrubbishlistening strategies use the headings or topics to help youhow to make notesthe problems of the seaconclusionover-fishingpollutioWhat is happening to the sea? Agricult