1、Section A(3a-3b)Unit 13 Were trying to save the earth!学习目标学习目标Key words&phrases:shark,fin,cruel,harmful,be harmful to,at the top of,chain,the food chain,ecosystem,industry,law,scientific.Key sentences:1.But do you realize that you are killng a whole shark each time you enjoy a bowl of shark fin soup
2、?2.But in fact,around 70 million sharks are caught and traded in this industry every year.To have the awareness of protecting sharks and respecting nature.In your opinion,which animals need to be saved?What do you know about sharks?Do you think sharks are endangered?Why?What do you think might have
3、caused a fall in the number of sharks?the shark is caught (catch)by people.First,the fins are cut(cut)off by people.Next,切除切除Whats happening to sharks?the shark fins are cooked (cook)into the shark fin soup by people.鱼翅羹鱼翅羹Then,the shark without fins is thrown(throw)back into the ocean by people.Fin
4、ally,扔回到扔回到.What will happen to the shark?What should we do?Read the title,the first and last sentences in each paragraphs and match the main ideas.1.Talk about shark fin soup.2.Sharks are endangered now.3.Appeal(呼吁呼吁)to people against eating shark fins.Para.3Para.1Para.2Read Paragraph 2 carefully a
5、nd answer the following questions1.If a shark doesnt have a fin,what will happen?2.If sharks numbers drop too low,what will happen?3.Why are sharks endangered now?If a shark doesnt have a fin,what will happen?A shark can no longer swim and slowly dies.If sharks numbers drop too low,what will happen?
6、It will bring danger to all ocean life.Why are sharks endangered now?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.Read Paragraph 3 and answer the questions.1.What are the two e
7、nvironmental protection groups doing to protect the sharks?And what have they done?a.They are teaching the public about“finning”.b.They have even asked governments to develop laws to stop the sale of shark fins.2.Are shark fins good for health?Why?No,they arent.Because no scientific studies have sho
8、wn that sharks are good for health.Read the passage in 3a quickly and answer the questions.Sharks are at the top of the food chain in the oceans ecosystem.Yes,I think sharks are endangered.Because when people catch sharks,they cut off their fins and throw the sharks back into the ocean.Without a fin
9、,a shark can no longer swim and slowly dies.Do you think sharks are endangered?Why?What do you know about sharks?People catch sharks and cut off their fins and throw them back into the ocean.Without a fin,a shark dies.What do you think might have caused a fall in the number of sharks?Number of shark
10、s caught and traded every yearHow goernmemt can helpTwo environmental groups against“finning”southern China70 milliondevelop laws to stop the sale of shark finsWildAid and the WWFRead the passage about sharks and complete the fact sheet below.3a3bRead the passage again and fill in the blanks with th
11、e words in the box.1.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.3.Many think that sharks are too strong to be endangered,_ they are wrong.whens
12、obutso although if but when4._ 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.Although ifSave the sharksbe killed for shark fin soupWhy?How?catch,cut of
13、f,throw back intoResults?can no longer swim,slowly diebe harmful to the environmentbring danger to all ocean lifeHow?Teach the public about“finning”3a Retell the passage according to the mind mapbe killed for shark fin soupHow?catch,cut off,throw back intoHow?Teach the public about“finning”To develo
14、p laws to stop the sale of shark fins.听说 一碗.切除 把.扔回.对.有害 不再 食物链 下降给.危险 濒临危险.的数量 对.有好处 立法 在.顶部 海洋生态系统在过去的20到30年里再读课文，试翻译以下短语：再读课文，试翻译以下短语：hear of a bowl of cut off throw back into be harmful to no longer food chain fall bybring danger to.be endangered the number of be good for develop laws at the top
15、 of.the oceans ecosystem in the last 20 to 30 years Save the sharks!Save the wild animals!What should we do to save the animals?DiscussionDont kill them堂清练习：根据汉语提示完成句子1.但是每一次当你喝一碗鱼翅羹的时候，你意识到你杀了一整只鲨鱼吗?But do you _ that youre killing a whole shark _ you enjoy _ shark fin soup?2.这种方式不仅残忍，而且对环境有害。This i
16、s _,_ the environment.3.如果它们的数量下降得太多，将会给所有的海洋生物带来危险。If their numbers _ too _,it will _ all ocean life.realize each time a bowl of not only cruel but also harmful to drop lowbring danger to4.很多人以为鲨鱼永远都不会濒临灭绝，因为他们是食物链的最强者。Many _ that sharks can_ because they are _ in their _.5.在过去的20年到30年，某些品种的鲨鱼数量下降了
17、超过90%。_ some kinds of sharks _ over 90 _ in the last 20 to 30 years.6.到目前为止，没有任何科学研究表明，鱼翅对健康有益，那么为什么还要吃它们呢?So far,no _ studies _ that shark fins _health,so why _ them?never be endangered have fallen by believe the strongest food chain The numbers of percent are good for have shown scientific eat1.Review the passage youve learned today.2.Write at least 5 measures to protect the endangered animals.
