Unit 13 Were trying to save the earth!Unit 13 Were trying to save the earth!Period 3(Section A 3a-3b)Period 3(Section A 3a-3b)【学习目标】 ：一、听、说、读、写以下词汇： , cruel, harmful, industry, law, cut off ,shark, fin, chain, ecosystem二、通过学习，口、笔头掌握下列句型：1) Many have heard of shark fin soup.2) When people catch sharks, they cut off their fins and throw the shark back into the ocean.3) This method is not only cruel, but also harmful to the environment.4) If their numbers drop too low, it will bring danger to all ocean life.三、能读懂介绍关于保护鲨鱼的文章， 完成相应阅读任务，并能正确运用连词或状语从句改写文章。四、通过了解鲨鱼的现状，增强保护濒危动物的意识。【学习重点、难点】掌握词汇，正确运用连词或状语从句【教学过程】一Warm-upShow some pictures of sharks.1.What do you know about sharks?Where do sharks live?Are they all very big?What do they eat?Do people catch them?Why do people catch them?二导入Show pictures about sharks which are killed, ask questions:Do you think we should save the sharks?Why ? How ?引出本文三教学过程1.Skimming 速读文章，找出段落大意。Para 1Bad things happen when people cut off sharks fins.Para2Environmental protectiongroupshavedonethingstoprotectsharks.www-2-1-cnjy-comPara 3Youre killing a whole shark when you enjoy a bowl of shark fin soup. 2-1-c-n-j-y2.Careful ReadingPara. oneJudge the sentencesSharks fin（鱼鳍）soup is famous and expensive all around the world.Youre killing a whole shark when you enjoy a bowl of sharks fin soup.Para. TwoUnderline two different opinions about killing sharksThis is not only cruel, but also harmful to the environment.Many believe that sharks can never be endangered.Why killing sharks is not only cruel, but also harmful to the environment?Many believe that sharks can never be endangered.But whats the fact ?Para. Three阅读并回答问题What are the names of the two Environmental protection groups ?What are they doing to protect the sharks?Task 1 Work on 3a.：Read the passage about sharks and complete the fact sheet. Where shark finsoup is popularNumber of sharks caught and traded every yearHow much numbers of some kinds of sharks have fallen in the last 20 to 30 yearsTwo environmental groups against “finning”思考并回答What can people do to save the sharks?Read the passage again and fill in the blanks with the words in the box.1. Many people do not realize they are killing a whole shark _ they enjoy a bowl of shark finsoup.2. Sharks are at the top of the food chain, _ if their numbers drop, the oceans ecosystem willbe in danger.21cnjy.com3. Many think that sharks are too strong to be endangered, _ they are wrong.21 cnjycom4. _ there are no scientific studies to support this, a lot of people believe that shark finsare good for health.5. Sharks may disappear one day _ we do not do something to stop the sale of shark fins.Check if you know these phrases.1.听说2.在中国南部地区3.每当4.一碗鱼翅汤5.切掉6. 不再7.不仅而且8.对有害9.在的顶部10.食物链11.实际上，事实上12. 的数量13.在过去 20 到 30 年里14.到目前为止15.海洋生态系统【教学反思】 本课围绕介绍鲨鱼及如何保护鲨鱼， 旨在让学生通过学习增强保护动物保护环境的意识。通过本课的学习，让学生掌握大量的词汇，理解并运用状语从句。在教学环节上更应注重单词的运用，状语从句的练习及运用。