Unit13（第3课时）class.ppt

Section A 第三课时第三课时(3a-4c)Save the sharks!Unit 13 Were trying to save the earth.3a3a3a3aRead the passage about sharks and complete the fact sheet below.Many people 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 when you enjoy a bowl of shark fin soup?When people catch sharks,they cut off their fins.Throw the shark back into the ocean.Without a fin,a shark can no longer swim and slowly dies.This is not only cruel,but also harmful to the environ-ment.Sharks are at the top of the food chain in the oceans ecosystem.They are the strongest in the their food chain.Many believe that sharks can never be endangered.Around 70 million sharks are caught and traded every year.The numbers of some kinds of sharks have fallen by over 90%in the last 20 to 30 years.If the numbers drop too low,it will bring danger to all ocean life.Environmental protection groups are teaching the public about finning.They have asked governments to develop laws to stop the sales of shark fins.WWF So far,no scientific studies have shown that fins are good for health,so why eat them?Save the sharks!Save the sharks!Sas Save the sharks!Listen and read after.Where shark fin soup is popularNumber of sharks caught and traded every yearHow much the numbers of some kinds of sharks have fallen in the last 20 to 30 yearsTwo environmental groups against“finning”Southern China 70million Over 90%WWF WildAidsoalthoughifbutwhen1.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,_their numbers drop,the oceans ecosystem will be in danger.whenso3b3b3b3bRead the passage again and fill in the blanks with the words in the box.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.butAlthoughif1.根据句意及首字母或汉语提示补全单词1.They have been questing for a new m _ of language teaching for years.2.Its c_ to make fun of a blind man.ethodruel3.I live for the day when I can a_ to buy a car.4.The coal _(工业工业 )had decided to computerize in the future.5.What do you think about the surrounding _(生态环生态环境境 )ffordindustryecosystem 2.hear of 4.cut off 6.throw back 8.at the top of10.the number of 听说听说砍掉砍掉扔回去扔回去 在在.的顶部的顶部.的数量的数量英汉互译1.参加参加 3.付费，付出代价付费，付出代价5.不仅不仅.而且而且.7.到目前为止到目前为止 9.采取行动采取行动take part in pay for not only.but alsoso far take action用动词适当形式填空用动词适当形式填空1.He _(get )in the shower by the time I got up.2.Jim _ (listen)to the radio when his mother came back.3.She _ (have)a lot of homework to do every evening.had gotwas listeninghas4.They _ (make)a lot of friends since they came to our school.5.Everyone in China _(like)Mid Autumn Day.6.Imafraidyou _ (forget)the date,havent you?have madelikeshave forgotten7.The thief _ (catch）in No.11 bus just now.8.If the number of the sharks _ (drop),the oceans ecosystem _(be)in danger.was caughtdropswill be9.-When_you_(have)a meeting?-Three days ago.10.-Where are you,Dad?-I _(look)for my glasses in the bedroom.did haveam looking完成配套练习册上的作业。完成配套练习册上的作业。1