九年级人教版 Unit 13 We’re trying to save the earth! Section A 3a—3c教案

Unit 13 We’re trying to save the earth!
Section A 3a—3c
一、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…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 you’re killing a whole shark each time you enjoy a bowl of shark’s 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 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 shark’s fins.
二、能力目标：通过文段阅读，提高阅读理解能力。
三、情感目标：了解环境污染的坏处，树立环保意识。
四、教学重难点
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。
五、教学方法： 情境教学法；任务型教学法
六、教学过程
、导入
Teacher: Have you heard of the shark fin soup It comes from sharks. People catch the sharks, cut off the fins and throw the sharks back into the ocean. They are cruel and destroying the environment. If you want to learn more about it, let's learn the passage on P99.
Ⅱ.感知体验
1、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 environment!
感知2.PPT展示屠杀鲸鱼图片，创设问题情境：
Have you ever seen a shark What do you know about sharks
2、用多媒体出示图片。看着图片，让学生回答2个问题。
（1）.What ’s it？
（2）. Where does it live？
3、播放2个视频，第一个是关于美丽的海底世界，第二个是关于捕杀鲨鱼的。通过播放视频让学生观察现在的海洋环境已经受到了破坏。
4、让学生思考并回答问题。
（1）. What are they doing
（2）. Why do people do this
（3）. Do you think it's cruel
（4）.What will happen if the sharks lose their fins
5、Listen and read
（1） Listen to the tape, pay attention to the first and the last sentences of each paragraph, and then match the main ideas.
Para.1 Sharks are endangered.
Para.2 Call on people against eating shark fin soup.
Para.3 Talk about the shark fin soup.
2、Read the first paragraph and answer the following questions.
（1）.What is the famous and expensive dish in southern China
（2）.What can you realize if you enjoy a bowl of shark fin soup
3、Read the second paragraph and answer the following questions.
（1）.What do people do when they catch sharks
（2）.What will happen if their numbers drop too low
（3）.Why do many believe that sharks can never be endangered
4、Read the third paragraph and answer the following questions.（1）.What are two environmental protection groups against “finning”
（2）.What have the two groups done to help save the sharks
5、Fill in the blanks according to the passage.
A whole shark has been killed each time you enjoy a bowl of shark fin soup. When people catch sharks, they __________ their fins and throw the sharks back into the ocean. Without a fin, a shark can __________ swim and slowly dies. If sharks’ numbers drop too low, it will _______________ all ocean life. _________________ some kinds of sharks have fallen ____ over 90 percent in the last 20 to 30 years
Ⅲ.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 traded every year around 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” WWild 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.
① Many people do not realize they are killing a whole shark _______ they enjoy a bowl of shark’s fin soup.
②Sharks are at the top of the food chain, ______ if their numbers drop, the ocean’s ecosystem will be in danger.
③Many think that sharks are too strong to be endangered, _______they are wrong.
④_______there are no scientific studies to support this, a lot of
people believe that shark’s fins are good for health.
⑤Sharks may disappear one day______ we do not do something
to stop the sale of shark’s fins.
答案：①when ②so ③but ④Although⑤if
2. 当堂练习。
翻译词汇：
（1）残酷的；残忍的 （2）.有害的 （3）. 工业；行业
（4）.法律；法规 （5）.科学上的；科学的 （6）.对……有害
（7）.在……顶部或顶端 （8）.食物链 （9）.采取行动
根据汉语提示完成句子。
（1）. 我们必须采取行动来阻止他们。
We must _____ ______ to stop them.
（2）. 我从没听说过这个人。
I have never ____ ____ such a man.
（3）. 我们乐意尽力帮你摆脱困境。
We are glad to do what we can do ___ ___ ___.
（4）. 到目前为止，我已经交了二十个朋友。
____ ____, I have made twenty friends.
（5）. 实际上，她从没去过那儿。
____ ____, she has never been there.
Ⅳ.实践应用 写出保护濒临动物的几项措施：
1. Don’t kill them and destroy their homes.
2. Plant more trees.
3. Develop laws to protect them.
Ⅴ.总结反馈
1.结合板书和课件，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 realize that you’re killing a whole shark each time you enjoy a bowl of shark’s 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 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 shark’s fins.
Ⅵ.作业布置
1. Review the new words and expressions you’ve learned today.
2. Read and recite the passage.
3. Preview the new words and expressions.
【板书设计】
Unit 13 We’re 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
【教学反思】
本课是一篇阅读语法课，是以拯救鲨鱼为背景，以环境保护为主线，旨在培养学生的环保意识。本课时主要是了解鲨鱼所处的生活环境及所面临的问题。通过多媒体展示及教师课堂设计，让学生在愉悦的环境下轻松地掌握了本课时重要语法点及语言知识点。
在教学设计上主要采用情景教学法和任务型教学法。各教学环节紧紧围绕知识目标、能力目标和情感态度目标展开，力求突出重点和突破难点。
亮点: 通过问题和视频导入新课，导入部分新颖自然，易让学生接受。课堂教学的导入，是教师在新的教学内容或活动开始时引导学生进入学习的行为方式。导入是课堂教学的一个有机组成部分，是实际教学的前奏，起着“引子”的作用。组织好一堂课的开端，可以抓住学生、控制课堂，促进学生积极思维的作用。本堂课的教学内容贴近学生的生活实际，充分地利用了学生动物的热爱，从而导入新课，这样能激发学生的学习兴趣和热情。
不足：1、课堂气氛是通过师生间相互作用和同学间的相互影响而表现出来的一种群体心理状态。建立和谐的人际关系是优化课堂气氛的重要条件之一，而教师与学生的关系是课堂人际关系的主要方面。学生预习不是很到位，学生回答问题不积极，因此导致课堂气氛不活跃。
2、 留给学生思考的时间比较仓促，学生没有多余的时间去检查和修改。如果把这部分时间稍微充裕一点效果就会更好。