Unit 13 We’re trying to save the earth! Section A (3a-3b) 一、教学目标：1. 语言知识目标基本词汇：litter, fisherman, bin, shark, fin, cruel. harmful, chain, ecosystem, industry, law, scientific, afford,基本词组：be harmful to, at the top(of sth.), take part in, turn off, take action, throw away基本句型：We’re trying to save the earth! The river used to be so clean No scientific studies have showed that shark fins are good for health. We should help save the sharks. 2. 情感目标: be friendly to nature, call for people not’ Finning’ any more.3. 能力目标：use reading skill（skimming，scanning，careful reading）to get the main idea.二、教学重难点： How to catch the main idea of the passage and how to call for people to protect the endangered animals.三、教学用具：多媒体，小组比赛用品四、教学方法： Skimming, Scanning, careful reading五、教学步骤:Step1Presentation（pre-reading）Picture talking：展示《每日邮报》》鲨鱼猎捕海报的图片故事新闻，介绍鲨鱼海洋生活的生态文化地理背景。
对比人类残忍杀害鲨鱼及鲨鱼濒临灭绝的图片，谈论美味的鱼翅背后的残忍真相——鲨鱼濒临灭绝，实现对本文背景知识的输入，预测本文内容，同时为下面的学习作好铺垫Step2 SkimmingRead the passage quickly. Find out what the main idea of each paragraph is? Paragraph 1 Take action to protect the sharks Paragraph 2 Sharks are endangered Paragraph 3 Talk about shark fin soupStep3 Scanning (fast reading)Complete the fact sheet in 3a. Where shark fin soup is popular Number of sharks caughtand traded every yearHow much the numbers of some kinds of sharks have fallen in the last 20 to 30yearsTwo environmental groups which are against “finning” Step4 Intensive reading (careful reading) 把全班学生分成四组，以思维竞赛的形式对三个段落进行careful reading，激发学生阅读的热情。
以分层阅读，框架思维分析的形式设置问题赏析课文1）Read Para 1. and answer1. Is shark fin soup famous and expensive all around the world?2. Do you realize that you’re killing a whole shark when you enjoy a bowl of shark fin soup?拓展提升：Further thinking：If your parents order shark fin soup, what should you do or say ?2）Read Para 2. and tell “T” or “F” 1. Without a fin, a shark can still swim and never dies . 2.If their numbers drop too low, it will bring danger to all ocean life. 3. Sharks will never be endangered because they are the strongest in their food chain. 4. The numbers of some kinds of sharks have fallen by over 90 percent every year. 3）Read Para 3. and answer1. What are WildAid and the WWF doing ?2. What else have they done ?3. Have scientific studies shown that shark fins are good for our health ?Step5 Further reading. Guess by reading the context(语境)--before or after the sentence. What does the word” they” mean?They have even asked governments to develop laws to stop the sale of shark fins.Step 6 post-reading 1) Fill in the blank and find the conjunctions(连词） in this passage . Some people like to eat shark fin soup, especially in _____________China . But getting the shark fin is very ___________. When people catch sharks , they ________ _______their fins and _______the sharks back into the ocean. The shark slowly______ because it can’t swim without a fin . And it is also ____________to the environment .Sharks are at the top of the food_________ . If the number of sharks ______too low , it will _______the balance of the nature .Please say no to eating shark fin soup, and take action to_______ the sharks ! 2) finish 3b Step 7 Reading appreciation.• Conjunctions(连词) • Powerful questions • Description words• Vivid (生动的)phrases学生总结文章，以欣赏的角度体会连词，生动的描述，有力量的句子等。
Step 8 Further thinking（拓展提升） 拓展提升 插入视频 CNN NEWS（美国有线电视新闻网）REPORTDiscuss：After watching the CNN NEWS ,will you have shark fin soup? What should we do ? How do you help protect the shakes?实现本节课的情感目标：Wild animals are important to keep the balance of the ecosystem. Saving them means protecting the planet we have. Step9 Homework.此环节要求学生在学习这篇文章的基础上，根据提示内容，自己写一篇关于如何保护濒临灭绝动物的演讲稿Try to write a composition about how you help protect the endangered animals and make a speech．反思：本节课重在落实在文章思维理解的阅读框架上，通过问题设置打开学生理解的思路，深入到save the sharks 文章脉络。
由《每日邮报》图片新闻导入背景知识，进而通过师生，生生活动完成对文章的探究性学习在深入理解文章的基础上扩展CNN NEWS 关于捕杀鲨鱼的相关报道学生在有充分的语言输入并受到情感触动的状态下落笔写演讲稿：呼吁拯救野生动物。