九年级英语Unit 13 We’re trying to save the earth(Section A 3a-3c)教案-新版人教新目标版.doc

1、=【 ;精品教育资源文库 】 = Unit 13 Were trying to save the earth! Section A 3a 3c 一、【教材分析】 教 学 目 标 知识 目标 1.学习并掌握新词汇： shark, fin, method, cruel, cut off, harmful, chain, ecosystem, low, industry, law, environment, environmental, scientific 2. 学会并 正确使用以下常用表达 ： hear of, cut off, throw? into, no longer, not only?

2、but also , be harmful to, at the top of the food chain, the sale of? ,ask sb. to do sth., so far, be good for, be against, in danger 3. 学会使用以下 句型： （ 1） Do you realize that youre killing a whole shark each time you enjoy a bowl of sharks fin soup? （ 2） When people catch sharks, they cut off their fin

3、s and throw the shark back into the ocean. （ 3） This method is not only cruel, but also harmful to the environment. （ 4） The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years. （ 5） They have even asked governments to develop laws to stop the sale of sharks fin

4、s. 能力 目标 通过文段阅读，提高阅读理解能力。 情感 目标 了解环境污染的坏处，树立环保意识。 教学重点 会用重点词汇和句型。 教学难点 语言知识点的运用。 教学方法 情境教学法；任务型教学法 二、【教学流程】 =【 ;精品教育资源文库 】 = 环节 师生活动 二次备课 I. 复习 热身 1、检查生词预习。 （ 1）先通过 PPT 呈现本课的单词，教师领读，学生跟读，并帮助学生正音。 （ 2）做题巩固。 根据句意和首字母提示写出所缺的单词 。 This method is not only c_, but also harmful to the environment. Sharks ar

5、e at the top of the food chain in the oceans e _. But in fact, around 70 million sharks are caught and traded in this i_ every year. Many have heard of sharks f _ soup. If their numbers drop too low, it will bring d_to all ocean life. 答案： cruel ecosystem industry fin danger 2、自由交谈。 T: The earth is b

6、adly polluted. What should we do to save the earth? S1: Take buses instead of driving cars. S2: Turn off the lights when you leave a room. S3: Recycle books and paper. .感知 体验 感知 1.PPT 展示下列图片。创设情景： There are some animals are endangered. We should do something to protect the animals and the environmen

7、t! 体验 1. 分组谈论如何保护濒危动物。 The zoos provide homes for many endangered animals. 感知 2.PPT 展示屠杀鲸鱼图片，创设问题情境： =【 ;精品教育资源文库 】 = Have you ever seen a shark? What do you know about sharks? 体验 2. 同学之间阅读文章并谈论找出答案。 .强化 巩固 1. 处理教材 3a 的内容 。 Where shark fin soup is popular southern China Number of sharks caught and t

8、raded every year 70 million How much the numbers of some kinds of sharks have fallen in the last 20 to 30years over 90 percent Two environmental groups which are against “finning” Wild Aid and the WWF 2.处理教材 3b 的内容。 Read the passage and fill in the blanks with the words in the box. Many people do no

9、t realize they are killing a whole shark _ they enjoy a bowl of shark s fin soup. Sharks are at the top of the food chain, _ if their numbers drop, the ocean s ecosystem will be in danger. Many think that sharks are too strong to be endangered, _they are wrong. _there are no scientific studies to su

10、pport this, a lot of people believe that shark s fins are good for health. Sharks may disappear one day_ we do not do something =【 ;精品教育资源文库 】 = to stop the sale of shark s fins. 答案： when so but Although if 3. 语言知识点的归纳整理。 （ 1） A shark can no longer swim and slowly dies. 鲨鱼不能再游泳然后慢慢死掉。 no longer 意思是

11、“ 不再 ” ? Im no l onger a student. 我不再是个学生了。 （ 2） This method is not only cruel, but also harmful to the environment. 这种方法不但残忍而且对环境有害。 用于连接两个表示并列关系的成分，着重强调后者，其意为 “ 不仅 ?而且 ?”; 其中的 also 有时可以省略。 ? She not only plays well, but also writes music. 她不仅很会演奏，而且还会作曲。 若连接两个成分作主语，其谓语通常与 靠近的主语保持一致。如 : Not only yo

12、u but also he has to leave. 不只是你，他也得离开。 若连接两个句子， not only 后面的句子要用倒装 。 ? Not only did he speak more correctly, but he spoke more easily. 他不仅说得更正确，而且讲得更不费劲了。 （ 3） If their numbers drop too low, it will bring danger to all ocean life. 如 果它们的数目降至过低，会给所有海洋生物带来危险。 此句复数形式的 numbers 表达全海洋中鲨鱼的总量。当表示数值的高或低时， n

13、umber 要用 high 或 low 修饰。 ? In that country, the number of children going to school is higher in cities than in towns and village. 在那个国家，城市儿童入学人数比乡镇及农村要高。 .实践 应用 写出保护濒临动物的几项措施： 1. Dont kill them and destroy their homes. 2. Plant more trees. 3. Develop laws to protect them. =【 ;精品教育资源文库 】 = .总结 反馈 1.结合

14、板书 和课件 ，让学生 盘点所学词汇和句型 。 词 汇 ： shark, fin, method, cruel, cut off, harmful, chain, ecosystem, low, hear of, cut off, throw? into, no longer, not only?but also , be harmful to, at the top of the food chain, the sale of? ,ask sb. to do sth., so far, be good for, be against, in danger 句型： （ 1） Do you re

15、alize that youre killing a whole shark each time you enjoy a bowl of sharks 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） The numbers of some kinds of sharks have

16、 fallen by over 90 percent in the last 20 to 30 years. （ 5） They have even asked governments to develop laws to stop the sale of sharks fins. 2. 当堂练习。 单项选择。 （ 1） Many have _ sharks fin soup. A. heard of B. hear of C. hearing of D. heard from （ 2） But do you realize that youre killing a whole shark _

17、 you enjoy a bowl of sharks fin soup? A. if B. when C. but D. although （ 3） When people catch sharks, they _ their fins A. cut down B. cut in C. cut off D. cut up （ 4） Without a fin, a shark can_ swim and slowly dies. =【 ;精品教育资源文库 】 = A. not any more B. not any longer C. not longer D. no longer （ 5）

18、 Sharks are at the top of the food chain, _ if their numbers drop, the oceans ecosystem will be in danger. A. but B. although C. so D. when 答案：（ 1） A（ 2） B（ 3） C（ 4） D（ 5） C .作业 布置 1. Review the new words and expressions youve learned today. 2. Read and recite the passage. 3. Preview the new words a

19、nd expressions. 4. Preview the Grammar Focus. 三、【板书设计】 Unit 13 Were trying to save the earth! Section A 3a 3c cut off, throw? into, no longer, not only?but also , be harmful to, at the top of the food chain, the sale of? ,ask sb. to do sth., so far, be good for, be against, in danger 四、【教学反思】 【 163 文库：各类精品优质课，公开课课件 ppt;教案，=【 ;精品教育资源文库 】 = 教学设计，各类试题复习资料，工作文档等上百万资源。】 【平台地址： 】