高中英语Unit 7 The Sea-Lesson 2 Protecting the Sea课件 北师大版 必修3 课件VIP免费

the pure and beautiful sea The sea is not only beautiful,but also very important to us.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 the sea___________ the goods by seacatchseaproducepetroltransport dirtyHowever,do you know how the sea is now?The sea is being ill now.It is badly polluted.polluted We should protect the sea. agricultural wasteindustrial wastechemicalplasticoilrubbishoverfishing What is Zhi Hong’s project about?It’s about protecting the sea. Listen to learnListening strategies:Before you listen ,have a look at the exercises quickly and use your background knowledge to guess the answers.The first time you listen to the tape,try to catch the general idea.The second time you listen,you can finish the exercises.Before you listen,use the headings or topics to help you.Take notes:e.g. write poll. instead of pollution when you miss some information,write a question mark to remember, listen carefully the second time. Q1: What are the 2 main problems?Q3: What are the reasons for the 1st problem?Q2: What are the causes for the 2nd problem?pollutionOver-fishingtoo many fishermen in the same placebetter technologychemicalplasticrubbishoilagricultural wasteindustrial waste Q4: What are the solutions to the 1st problem?Q5: What are the solutions to the 2nd problem?Look for ways to reduce pollutionKeep a record of levels of pollutionPunish pollutersControl the numbers of fishBan fishing completelyHelp people to get other kinds of jobs Listen to the interview and complete the table.Listen to the interview and complete the table...