北师大版必修三-Protecting-the-Sea.ppt

Unit 7 Lesson 2Unit 7 Lesson 2Protecting the SeaProtecting the Sea大家好1What have the human done to the sea?Protecting the SeaProtecting the Sea?大家好2Teaching ObjectivesAt the end of this lesson,students will be able to:know key words about the sea pollution;make predictions about the listening;get specific information about the sea pollutions;know the causes and the solutions by listening;discuss the ways to protect the sea.大家好3Oil pollutionOil polluted the sea.大家好4industrial waste大家好5agricultural wastechemicals大家好6plastic wasterubbish大家好7over-fishingSorry,the fisher just got this today!News!Overfishing 大家好8 pollute v.pollution n.over-fishing industrial waste agricultural waste plastic oil chemicals rubbishuseful expressions大家好9If we go on polluting the sea,what is the result?No blue sea!大家好10Zhi Hong and Fang Zhou are also talking about _.What will they say?We should spread the knowledge about protecting the sea and let people realize the importance of the sea.protecting the seaPre-listeningWhat?Why?How?大家好11While-listeningStep 1:Listen to the first part of the dialogue and answer:a.What is the problem 1?b.What is the problem 2?Pollution.Over-fishing.大家好12Causes of problem 2(overfishing)There are _ in the same place;better technology can _.too many fishermen fishingcatch more fish than beforeStep 2:Listen to the second part of the dialogue and fill in the blanks:Reasons forproblem 1(pollution)chemicalsAll sorts:_,plastic,rubbish,_;most of them from _ and _ waste.industrialagriculturaloil大家好13Solutions to pollutionSolutions to overfishingStep 3:Listen to the third part of the dialogue and match the solutions with the problems:a.punish polluters who break the lawb.control the number of fish that people can catchc.look for ways to reduce pollutiond.help people to get other kinds of jobse.ban fishing completely f.keep a record of levels of pollutiong.find where it comes fromabcdefg大家好14Post-listeningThe sea is endangered now.What can we do?The government can:make lawspunish the law-breaker1.find ways to reduce the pollutionThe society can:organize volunteershold exhibitions give speeches We can:use less plastic bags and bottles2.pick up the rubbish around us 大家好15HomeworkWrite a short report about theresult of your discussion.You can begin like this:The sea is endangered now.Forthe government/society,it can/We can大家好16Thank you for listening!Heal the world Make it a better place 大家好17谢谢大家好18