人教版初三英语unit13sectiona2savethesharks!.ppt

Unit 13 We are trying to save the earth!(Section A 3a-3b),Learning aims:1.know about something on sharks.2.Review some phrases and tenses,Words,sharkfincruelbe harmful toat the top of,the food chainecosystemindustrylawscientific,Check before class听说 鱼鳍汤在中国南方 切除把扔进 在顶部食物链 迄今为止海洋生态系统 环境保护对有害 对有利不但.而且 不再事实上 全世界完善法律 每次,cut off,in southern China,throw back into,the food chain,oceans ecosystem,be harmful to,not only but also,in fact,develop laws,shark fin soup,hear of,at the top of,so far,environmental protection,be good for,no longer,around the world,each year,Unit 13,big,large,cruel,scaring,dangerous,terrible,Sharks are_.,A food chain,Who is the real king of the food chain?,Human beings,shark fin soup,famous,expensive,popular,How do people make a bowl of shark fin soup?,=,=,A bowl of fin soup,the life of a whole shark,in southern China,around 70 million,over 90 percent,WildAid and the WWF,3a,Read the passage about sharks and complete the fact sheet below.,Two environmental protection groups,WildAid and World Wild Fund for Nature,They are teaching the public about“finning”.The have asked governments to develop laws to stop the sale of shark fins.,3b,Read the passage again and fill in the blanks with the words in the box.,Many people do not realize they are killing a whole shark _ they enjoy a bowl of shark fin soup.2.Sharks are at the top of the food chain,_ if their numbers drop,the oceans ecosystem will be in danger.,when,so,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 believe 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.,but,Although,if,adj.科学上的，科学的,Fill in the blanks and retell the passage,As we all know,sharks live in _,and they are very_.There is a very famous and _ dish called shark fin soup,which is especially _ in _ China.However,many people do not realize they are _ a whole shark when they _ a bowl of shark fin soup.People _ the sharks,cut off _ and _ the sharks back into the ocean.Sharks can no _ swim and _ without fins.,According to the studies,_ 70 million sharks are caught and _ every year.Even some of the sharks have _ by over 90 percent in the last 20 years.But many people dont know if the numbers _ too low,it will _ danger to all ocean life.Actually,no _ research have shown that_ are good for _.So help save the sharks!,