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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,Revision,Jason and Susan,what are your ideas for solving these problems?,Role-play 2d.,Well,to cut down air pollution,we should take the bus or subway instead of driving.,Yeah,or ride a bike.,There are other advantages of bike riding.Its good for health and it doesnt cost anything.,Great ideas!What about waste pollution?,Mmm,I think simple things like bringing a bag to go shopping can help.I started doing that a year ago.,Me,too.Also,I never take wooden chopsticks or plastic forks when I buy takeaway food.I use the ones at home.,And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.,So together,our actions can make a difference and lead to a better future!,Unit 13,Were trying to save the earth!,Section A 2,3a-3b,Translate these sentences into English.,1.,甚至是河底都满是垃圾。,2.,这个镇上的每个人都应该参与清扫。,Even the bottom of the river was full of rubbish.,Everyone in this town should play a part in cleaning it up.,3.,骑自行车有其它的优点。,4.,我买外卖食品从来不拿木筷子和塑料叉,子。,There are other advantages of bike riding.,I never take wooden chopsticks or plastic,forks when I buy takeaway food.,shark,fin,cruel,harmful,be harmful to,at the top of,chain,the food chain,ecosystem,industry,law,scientific,n.,鲨鱼,n.,（鱼）鳍,adj.,残酷的；残忍的,adj.,有害的,对,.,有害的,在,.,顶部或顶端,n.,链子；链条,食物链,n.,生态系统,n.,工业；行业,n.,法律；法规,adj.,科学上的；科学的,Words Review,Lets protect the endangered animals!,There are some animals are endangered.We should do something to protect the animals and the environment!,Save the earth!,Save the animals!,Before you read,1,Look 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.,1.Have you ever seen,a,shark,（鲨鱼）,?,2.What do you know,about sharks?,Discuss with your partner:,Read the passage about sharks and complete the fact sheet below.,3a,Where shark fin soup is popular,Number of sharks caught,and traded every year,How much the numbers of,some kinds of sharks have,fallen in the last 20 to 30,years,Two environmental groups,which are against“finning”,in,southern China,70 million,by,over 90 percent,WildAid and the WWF,3a,Read the passage about sharks and complete the fact sheet below.,WildAid,和,WWF,组织,WildAid,（美国野生救援协会）是保护野生动物及栖息地环境的一个非盈利性的机构，,1999,年注册成立，其宗旨是保护及救助世界范围内的野生动物；,WWF,（世界自然基金会）英文全称为,World Wide Fund for Nature,，成立于,1961,年，是享有国际盛誉，全球最大的独立性非政府环境保护组织之一。,Read the title,the first and last sentences in each paragraphs and match the main ideas.,Talk about shark fin soup.,Sharks are endangered now.,Appeal to people against eating shark fins.,Para.3,Para.1,Para.2,Many have,heard of,shark fin soup.This famous and expensive dish is especially popular in southern China.But do you realize that youre killing a whole shark,each time,you enjoy a bowl of shark,fin soup?,While you read,2,Read Paragraph 1 and judge the sentences.,Shark,fin,（鱼鳍）,soup is famous and expensive all around the world.,Youre killing a whole shark when you enjoy a bowl of shark fin soup.,F,T,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,ocean ecosystem.,If their numbers,drop too 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,trade,d 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.,Read Paragraph 2 and fill in the chart.,people enjoy _,fishermen _,_,then _,_decreased quickly,a bowl of shark fin soup,catch sharks,cut their fins,throw them into the ocean,The numbers of some kind of sharks,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 shark fins.So far,no scientific studies have,shown that shark fins are good for health,so why,do people,eat them?Help save the sharks!,Read Paragraph 3 and judge the sentences.,WildAid and the WWF are environmental protection groups in China.,Two environmental groups appeal to establish laws to stop sale shark fins.,Sharks fins are good for health.,F,T,F,Retell the passage according to the words below.,shark fin soup in southern China,each time cut off,no longer not onlybut also,at the top drop,be endangered the strongest around 70 million fallen by over 90 percent WildAid and the WWF,develop laws scientific studies,1.A shark can,no longer,swim and slowly,dies.,鲨鱼不能再游泳然后慢慢死掉。,no longer,意思是“不再”,e.g.,Im,no longer,a student.,我不再是个学生了。,有两个短语和,no longer,同义，即,notany longer,和,notany more,，但他们侧重的方面不同。,Language points,no longer,和,notany longer,侧重时间。,e.g.He,no longer,lives h
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