2017人教版九年级英语unit13sectionA3a.ppt

Unit 13 We are trying to save the earth.(Section A 3a)大家好1大家好2shark/:k/n.鲨鱼鲨鱼fins/fI Inz/n.鳍鳍What happens to the shark?大家好3the shark is caught(catch)by people.First,大家好4the fins are cut(cut)off by people.Next ,切除切除大家好5the shark fins are cooked(cook)into the shark fin soup by people.鱼翅羹鱼翅羹Then,大家好6the shark without fins is thrown(throw)back into the ocean by people.扔回到扔回到Finally,大家好7 What will happen to the shark?What should we do?大家好8especially /speli/adv.尤其地;格外地;ocean /n/n.海洋cruel /kru:l/adj.残酷的；残忍的harmful /h:mfl/adj.有害的environment/n varnmnt/n.环境chain /ten/n.链子；链条ecosystem /i:ksstm/n.生态系统low /l/adj.减少的；低/矮的endangered/ndendd/adj.濒临灭绝的industry /I Indstri/n.工业；行业law /l:/n.法律；法规cut off 割掉；砍掉割掉；砍掉 be harmful to 对对有害有害at the top of在在顶端顶端 the food chain食物链食物链the number of 的数量的数量Save the sharks!大家好9 Before reading Reading Tip 1 Look at the picture and the topic carefully.You can get some information.(仔细阅读文章插图及标题仔细阅读文章插图及标题)Save the sharks!大家好10Before you readBefore you readBefore you readBefore you read1Look at the photo,the questions in 3a and the title to the story on page 99.Then answer the questions below.Who can you see in the picture?What does the passage may talk about?1.A shark.2.It may talk about the sharks.大家好11 Before reading Save the sharks!Whats the main idea of the article?A.The shark fin soup is famous and expensive.B.The sharks are endangered in the world.C.People cut off sharks fins to make the shark fin soup.大家好12Skimming 略读略读 Read and Match Para1.endangered sharksPara2.shark fin soupPara3.Help save the sharks!Reading Tip 2 Find out the key words in each paragraph.You can get some information.(找出每段的关键词找出每段的关键词)大家好13Save the sharks!Read and MatchPara1.endangered sharksPara2.shark fin soupPara3.Help save the sharks!Skimming 略读略读大家好14Read and judge the sentences.Para1.Scanning 寻读寻读FT()Shark fin soup is famous and expensive all around the world.()Youre killing a whole shark when you enjoy a bowl of shark fin soup.in southern China.=each time=大家好15Find out the Find out the topic sentencetopic sentence(主旨句主旨句主旨句主旨句)in this)in this paragraph.paragraph.Reading Tip 3 The topic sentence gives us the main idea of each paragraph.It may be at the beginning or end of the paragraph,sometimes its also in the middle.(主旨句通常能概括段落大意，承上启下，它常位主旨句通常能概括段落大意，承上启下，它常位于段首、段末，有时也出现于段中。于段首、段末，有时也出现于段中。)Para2.Scanning 寻读寻读 Scanning 寻读寻读Para2.Scanning 寻读寻读大家好16This is not only cruel,but also harmful to the environment.Para2.Scanning 寻读寻读Para2.Scanning 寻读寻读fact大家好17When people catch sharks,they cut off theirfins and throw the sharks back into the ocean.Para2.Scanning 寻读寻读factWhats the fact?This is not only cruel,but also harmful to the environment.大家好18cruelharmfulWhy is it cruel?When people catch sharks,they cut off theirfins and throw the sharks back into the ocean.Without a fin,a shark can no longer swim and slowly dies.Why is it harmful to the environment?1.Sharks are at the top of the food chain in the oceans ecosystem.2.If their numbers drop too low,it will bring danger to all ocean life.Para2.Scanning 寻读寻读factThis is not only cruel,but also harmful to the environment.大家好19Para2.Scanning 寻读寻读Sharks can never be endangered.()True or false:F大家好20in fact2.The numbers of some kinds of sharks have fallen(fall)by over 90 percent in the last 20 to 30 years.1.Around 70 million sharks are caught(catch)and traded(trade)in this industry every year.Para2.Scanning 寻读寻读Sharks can never be endangered.()True or false:F Scanning 寻读寻读Para2.Scanning 寻读寻读大家好21When people catch sharks,they cut off theirfins and throw the sharks back into the ocean.cruelWithout a fin,a shark can no longer swim and slowly dies.harmful1.Sharks are at the top of the food chain in the oceans ecosystem.2.If their numbers drop too low,it will bring danger to all ocean life.2.The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.1.Around 70 million sharks are caught and traded in this industry every year.Para2.Retelling 复述复述fact two different opinionsendangered&大家好22Whencatch,cut off,throwback intoPara2.Mind Map 思维导图思维导图Without,no longer 2.If,bring danger to1.at the top of the food chain1.70:are caught&traded2.90:The numbers of,have fallen,in the last 20 to 30 yearsnot only cruel,but also harmful Fact2 different opinionsMany believenever be endangered.大家好23What are the names of the two environmental protection groups?Para3.Scanning 寻读寻读大家好24Para3.Check the previewing homework.世界自然基金会世界自然基金会What can WildAid members do to save the sharks?大家好25Para3.Lets save the animals.大家好26Save the earthSave the animalsbegins withThings around usAir pollutionsuch asWater pollutionNoise pollution大家好27 The Air Pollution in Jinan大家好 Group work:（四人小组合作）（四人小组合作）What can we do to cut down the air pollution?大家好 1.You should:Write down at least 5 suggestions to protect the endangered animals.2.If you like:Discuss and make a report:How to cut down the air pollution in our city大家好30Thanks大家好31谢谢大家好32