3a课文(课堂PPT).ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 13 Were trying to save the earth.Section A(3a-3b)Period Two,安石一中,蔡凤仙,1,Use some words to describe the sharks.,2,3a,Save the Sharks!,3,预习检测：,鲨鱼 _,鱼鳍 _,残忍的 _,生态系统 _,工业 _,法律_,科学上的 _,在的顶部或顶端_,食物链 _,对有害_,fin,shark,cruel,industry,ecosystem,law,scientific,at the top of,the food chain,be harmful to,4,Teaching aims and demands:,Read and translate the passage fluently.,Grasp the key words,phrases and sentences.,Answer the questions according to the passage and finish the exercises.,5,Read,the first sentence,in each paragraph,and match the main ideas.,Paragraph 1,Paragraph 2,Paragraph 3,Environmental protection groups are against“finning”.,Some basic facts about shark fin soup.,Some important facts about killing sharks,.,6,1.Shark fin soup is famous and expensive around the world.(),2.You are killing a whole shark when you enjoy a bowl of shark fin soup.(),3.A shark can swim without a fin.(),4.In fact,about 7,000,000 sharks are caught and traded in this industry every year.(),5.Scientific studies have shown that shark fins are good for health.(),Listen to the tape and judge the statements.(,T,or,F,),T,F,F,F,F,7,Task One:Read and translate,the whole passage.And then find out the,key phrases,and,sentences.,Paragraph,1,&Paragraph,3,(read it by yourself and translate with your partner),Paragraph,2,(read it by yourself and translate in your group),Task Two:,Find out the,key phrases,and,sentences.,8,Many,have,heard,of,shark fin soup.This famous and expensive dish is especially popular,in southern China,.But do you,realize that,(,you are killing a whole shark,each time,you enjoy,a bowl of,shark fin soup.,),When people catch sharks,they,cut off,their fins and throw the shark back into the ocean.This,is,not only,cruel,but also,harmful to,the environment.Without a fin,a shark can,no longer,swim and slowly dies.Sharks are,at the top of,the food chain,in the oceans ecosystem.,If,their numbers,drops,to low,it,will bring,danger to all ocean life.Many,believe that,(,sharks can never be endangered because they are,the strongest,in their food chain.,),But,in fact,around 70 million sharks,are caught and traded,in this industry every year.,The numbers of,some kinds of sharks,have fallen,by,over 90 percent,in the last 20 to 30 years,.,Environmental protection groups,around the world,such as,WildAid and the WWF,are teaching,the public about“finning”.They,have,even,asked,governments to develop laws,(,to stop the sale of the shark fins.,),So far,no scientific studies,have,shown,that,(,shark fins,are good for,health,),so why eat them?Help save the sharks.,9,hear of 听说,cut off,切掉，切除,切断（水、电）；中断；关掉,not only but also 不但而且,be harmful to 对有害,at the top of 在的顶部、顶端,the number of 的数量,so far 到目前为止（现在完成时）,Importance phrases:,10,Finish the exercises,Where shark fin soup is popular,Numbers of sharks caught and traded every year.,How governments can help,Two environmental against“finning”,In southern China.,Around 70 million.,They can develop laws to stop the sale of shark fins,WildAid and WWF,11,1.Many people do not realize they are killing a whole shark _ they enjoy a bow of shark fin soup.,2.Shark are at the top of the food chain,_ if their numbers drop,the oceans system will be in danger.,3.Many think that sharks are too strong to be endangered,_they are wrong.,4._ there are no scientific studies to support this,a lot of people believes that shark fins are good for health.,5.Sharks may disappear one day _ we do not do something to stop the sale of shark fins.,Fill in the blanks:,but,so,when,if,although,when,so,but,Although,if,12,Homework,13,If there is no trade,there will be no murder.,14,Thank you.,15,