1、UnitUnit 1313 We are trying to save the earth! SectionSection A A 3 3a a3b3b（第（第二二课时）课时） 话题话题 Protecting the environment 功能功能 Talk about pollution and environmental protection 教学目标教学目标 1.知识技能知识技能 1）Target language: No scientific studies have shown that shark fins are good for health. The number of s
2、ome kinds of sharks have fallen be over 90 percent in the last 20 to 30 years. 2）Grammar: Present perfect 3）Words and expressions; 4） Curriculum words: shark, cruel, harmful, chain, ecosystem, industry, law, scientific, afford, reusable, transportation 4） Useful expressions: be harmful to, at the to
3、p of, the food chain, take part in, turn off, pay for, take action 2过程和方法过程和方法：According to finishing some tasks to train studentsintegrating skills and train the ability of expressing studentsown opinions 3情感态度情感态度价值观价值观：Animals are our friends We must know how to love them and how to protect them
4、That way, it is good for both animals and us. 学习策略学习策略：Reading for specific information. Taking notes, cooperative learning. 教学重点教学重点：Target Language 教学难点教学难点：How to improve studentsintegrating skills 教学过程教学过程： 【预习导学】 预习课本内容：熟记 99 页单词，并默写。 1.鲨鱼_2.生态系统_ 3.残酷的_ 4.有害的_ 5.链条_6.工业，行业_ 7.法律，法规_8.鳍_ 读短文并找出
5、以下短语 1.中国南方_2.at the top of_3.听说_ 4.cut off _5.到目前为止_6.throw back to _ 7.一碗鱼翅_8.in the last 20 to 30 years_ 9.食物链_10.be in danger_ 【展标导入】 展标：教师口述本节课教学目标 导入：谈论环境污染并引导学生说出如何改善环境。 【课堂研讨】 1.教师播放鲨鱼的录像，让学生对鲨鱼在形象上有直观的认识，并进一步介绍鲨 鱼的现状，让学生清楚鲨鱼正濒临灭绝，导入课题。 2.小组内检测短文中单词短语背诵情况。 3.阅读题目，了解中心大意。 （3a） 4.播放课文录音，学生感知课文
6、大意。 5.精读课文，归纳文中的重点语法，并提示学生做好笔记（小组合作） 。 6.再次阅读课文， 找出不会翻译的句子及其不理解的问题， 讨论解决 （小组合作） 。 7.利用所给重点词汇复述或背诵短文。 8.学生独立完成 3b.教师订对答案。 【检测反馈】 单项选择 1.Lu Xun is famous _ a great writer. A,ofB.forC.asD.with 2.-Which shirt do you prefer? -Both. _ this shirt_ that one is my favorite. A.Both ,andB.Either,orC.Neither ,n
7、orD.Not only,but also 3.We are trying _ our environment. A.take care ofB.to take care ofC.taking care ofD.to taking care of 4.Every year,more than 70,000,000 sharks _ for their fins. A.were killedB.have killedC.are killedD.will killed 完成句子 1.这不仅是残忍的，而且对环境是有害的。 This is _ _ cruel,_ _ harmful to the environment. 2.环境保护正变得越来越重要。 _ _ is becoming more and more important. 3.让我们今早地行动起来吧！ Lets _ _ as early as possible. 4.我们学校的人数在最近五年下降到原来的百分之八十。 The number of our school has _ _ 80% in the last five years. 【小结评价】
