学情分析
本单元是人教版九年级英语一个复习单元，主要是对前面学过的知识进行综合性地复习和巩固，没有新的语法点。通过本册教材的学习，学生的英语水平和能力得到了很大提高，具备了一定的英语听说读写能力，也有了一定的语言交流水平。本课是十三单元第二课时。在前面的学习中学生已经学过了课标要求的各种时态，本课要复习时态和连接词。 通过了解鲨鱼的现状，提高学生环境保护意识。21世纪教育网版权所有
效果分析
本课的教学过程是由易到难，逐步深入。学生对这篇课文比较感兴趣，文章的内容对学生学习兴趣有一定的刺激程度，使学生的思想始终处于积极状态，使他们的兴趣逐步升级。视频和音频的播放使学生身心放松。为了使学生能复述课文，把课文做个框架结构，帮学生理清思路，便于复述。学完课文，学生对鲨鱼的现状产生担忧，然后又播放了其他动物的图片，进一步激发了学生的同情心，保护动物，保护环境成为学生的共同心声。整节课的学习，学生积极认真，达到了预期的效果。但是因为是录像课，学生有点紧张。
课后反思
本课通过视频、音频、图片的完美结合，展开了学生对鲨鱼的了解和同情，激发了学生的学习兴趣，通过课文的学习复习了各种时态和连词的用法，从而实现教学目标，达到了教学目的。但是仍然存在一些不足，有些学生跟不上节奏，在复述课文方面不会组织自己的语言，课后仍需巩固。21世纪教育网版权所有
Unit 13
We’re trying to save the earth!
Section A 3a-3b Save the Sharks!
一、Teaching aim：
1. Knowledge aim：
1) Vocabulary： shark , shark fin, cruel, harmful, be harmful to, industry, finning, food chain, ecosystem, at the top of, scientific21·cn·jy·com
2）Structure: It is not only cruel but also harmful to the environment.
2. Ability aim: Students will be able to comprehend the passage through reading.
3. Moral objects：Students will remember the importance of protecting wild life and the environment. 21教育网
二、Key points
Important point:
1) Students will be able to master new words and phrases, and use them well.
2) Students will be able to get useful information through reading.
Difficult point:
Retell the whole passage to have a better understanding of the passage.
三、Teaching process
Ⅰ. Lead-in
Read teaching aims to make sure what we should learn in the class.
Preview the language points and try to remember them. 21cnjy.com
Watch a video to learn about the sharks.
Look through some pictures and know their situation.【来源：21·世纪·教育·网】
Ⅱ. Fast reading
Read the passage and complete the main idea of each paragraph.21·世纪*教育网
Para1 Two groups against “finning”.
Para2 Something about shark fin soup.www-2-1-cnjy-com
Para3 Sharks are endangered now.
Ⅲ. Careful Reading
Para1 :
Q : . Where is shark fin soup popular?
Make up a knowledge structure.
Para 2 :
Watch a video and discuss two questions:
1. How do people deal with them when they catch the sharks?2-1-c-n-j-y
2. Without a fin, what will happen to a shark?
Then read the second paragraph and answer two questions:
1.How do people deal with the sharks when they catch them?21世纪教育网版权所有
2.Without a fin, what will happen to a shark?
Add the knowledge to the structure.
Then answer to the questions :
1. Why is it harmful to the environment?
2. What do the two numbers mean?
Para 3 :
Show some pictures and think about how to stop people from killing sharks.
Q1:What are the two environmental protection groups?www.21-cn-jy.com
Q2: What are they doing? What have they done?
Then introduce the two groups.
Add them to the instruction of the text.
Ⅳ. Retell the whole passage according to the instruction.2·1·c·n·j·y
V. Think about the question:
Is the shark the only animal that is endangered?
Watch some pictures and learn about some animals are endangered.
VI. Discussion: three questions
Why are they endangered?
What will happen if their numbers drop too low?
How should we protect them?
Educate students to protect animals.
VII. Homework
1）Retell the text.
（2）Write the passage about what we can do to save the animals.
课件31张PPT。Unit 13 we’re trying to save the earth! Section A (3a-3b)Save the Sharks!Unit 13 we’re trying to save the earth! (SectionA 3a-3b)Studying aims1.Read the text and learn about the sharks’ situation
2.Review how to use conjunctions(连词) and different tenses.
3.Think about the ways of protecting the wild animals（1）What do you think of the sharks?
（2）Look at the title and can you guess what information the passage may have.
Save the sharks1. hear of
2. in southern China
3. each time
4. cut off
5. not only…but also
6. be harmful to
7. no longer
8. be endangered
9. in their food chain
10. in fact
11. teach the pubic about
12. ask…to do
13. so far
14. be good for
15. help do听说
在中国南部
每次
切断
不仅…而且
对…有害
不再
处于濒危状态
在他们的食物链
事实上
11. 教大众关于
12. 叫…做
13. 到目前为止
14. 对…有好处
15. 有助于做Language points1. hear of
2. in southern China
3. each time
4. cut off
5. not only…but also
6. be harmful to
7. no longer
8. be endangered
9. in their food chain
10. in fact
11. teach the pubic about
12. ask…to do
13. so far
14. be good for
15. help do听说
在中国南部
每次
切断
不仅…而且
对…有害
不再
处于濒危状态
在他们的食物链
事实上
11. 教大众关于
12. 叫…做
13. 到目前为止
14. 对…有好处
15. 有助于做Translate:food chains 食物链ocean ecosystem 生态系统What did you see in the video?shark鲨鱼Many people think that sharks are too strong
to be endangered,but they are wrong.at the bottom ofat the top ofThe food chainsThe sharks are endangered!Save the sharks!MatchRead the passage quickly
Para.1 A. Two groups against “finning”.
Para.2 B. Something about shark fin soup.
Para.3 C. Sharks are endangered now.
Save the Sharks!shark fin soupbe endangeredagainst “finning”1. Where is shark fin soup popular?2. What does it mean when people enjoy a bowl of shark fin soup?Read Para. 1southern ChinaThey’re killing a whole shark when
they enjoy a bowl of shark fin soup.shark fin soupSave the Sharks!shark fin soupbe endangeredagainst “finning”popularsouthern
China…a bowl of…
…a whole…When … enjoy a bowl of……be killing a whole…How do people kill the sharks?1. How do people deal with them when they catch the sharks?Let’s watch a short video.2. Without a fin, what will happen to a shark?throw them back into the ocean.1.How do people deal with the sharks
when they catch them?They cut off their finscut offthrow…back into...2.Without a fin, what will happen to a shark?dieWithout a finSave the Sharks!shark fin soupbe endangeredagainst “finning”southern
China…a bowl of…
…a whole…When…catch the sharkscut off…throw…back into…will diekind?cruel(残忍的)helpful?harmfulto the environment有害的This is not only cruel but also harmful
to the environment.Read Para. 21.Why is it harmful to the environment?
2. What do the two numbers mean?70 million90 percentSharks are at the top of the food chain, so if their
numbers drop too low, it will bring danger to
all ocean lifeAround 70 million sharks are caught
and traded every year.The numbers of some kinds of sharks have fallen
by over 90 percent in the past 20 to 30 years.Save the Sharks！shark fin soupbe endangeredagainst “finning”southern
China…a bowl of…
…a whole…cut off…throw…back into…will diecruel(残忍的)harmful(有害的)to the environmentat the top of…If…drop too lowwill bring…to…Did people stop killing the sharks?If we can’t stop the killing,the sharks will disappear.Read para.3What are
?2. What are they doing & what have they done?the two environmental protection groups1. What are the two environmental groups against “finning”?美国野生救援会(WildAid)是1999年在美国注册
的非盈利机构，总部在美国旧金山，
它对濒临绝迹的野生动物提供直接的保护，
并且发展许多有创意的计划，以教育大众关于
野生动物及生态平衡的重要性。世界自然基金会(WWF)是在全球
享有盛誉的、最大的独立性非政府
环境保护组织之一，自1961年成立
以来，WWF一直致力于环保事业，
在全世界拥有超过500万支持者和
超过100个国家参与的项目网络。2. What are they doing & what have they done?They are teaching the public about “finning”.They have even asked governments to develop laws(法律) to stop the sale of shark fins.…have asked… to develop laws to……are teaching…about…Save the Sharks!shark fin soupbe endangeredagainst “finning”southern
China…a bowl of…
…a whole…cut off…throw…back into…will diecruel &harmfulat the top of…If…drop too lowwill bring…to…two environmental
protection groupsWildAid&WWFbe teaching…about……have asked…to
develop laws to…Are the shark fins good for healthNo scientific studies have shown that
shark fins are good for health.？shark fin soupbe endangeredagainst “finning”southern
China…a bowl of…
…a whole…cut off…throw…back into…will diecruel &harmfulat the top of…If…drop too lowwill bring…to…WildAid&WWFbe teaching…about……have asked…to
develop laws to…Save the Sharks!No scientific studies have shown that
shark fins are good for health.RetellWithout a finIs the shark the only animal that is endangered? 据统计，全世界每天有75个物种灭绝，每一小时就有3个物种被贴上死亡标签。也就是说，我们在喝完一杯咖啡，打完一个电话，上完一节课，就有无数的动物灭绝了……Should we let them disappear?Discussion1. Why are they endangered?2. What will happen if their numbers drop too low?3. How should we protect them?For ourselves, …For the government,…pollute…have no place…kill them toeatmake clothesmake money……If … drop too low, …will bring…to…stop eating…buying…polluting…develop laws to …
……A:A:A:B:B:B:No sale no killing.没有买卖，就没有杀害。Protecting wild animals is just protecting ourselves.保护野生动物就是保护我们人类自己。Don’t let our children can only see today’s animals in the museums.不要让我们的孩子只能在博物馆里才能见到今天的动物。（1）Retell the text.
（2）Write the passage about what we can do to save the animals.
Homework Today, Many wild animals have been endangered.
Why are they endangered? Firstly, …, so… Besides, …in order to… not only…but also… Because …….
………………………………………………………………………………………………………………………………………………………………………………………………
For ourselves, … For the government, …Thank you for listening!Goodbye!教材分析
本课是人教版第十三单元的第二课时。3a的阅读是一篇倡议书，其中介绍了人类捕捉鲨鱼获取鱼翅，破坏生态平衡的情况，文章紧扣单元话题，呼吁人们保护鲨鱼，渗透了对学生的情感的教育。3a的阅读任务是要求学生阅读文章，先整体后具体，层层递进理解文章。既要把握文章细节，又要复习各种时态，引导学生复习连词的使用。
观课记录
这节课有三位老师参与了评课：
姓名
优点
缺点
李玉珍
目的明确，知识广度和深度符合教材的要求，教学步骤清晰，由浅入深，层层递进，讲解透彻清楚，简明。
环节再紧凑些
李霞
教学过程中，能结合实际，渗透环保教育。重难点掌握准确，处理得当。
再发散一下思维
张宪辉
知识传授深化及时，方法得当，适合教材及学生特点，时间分配得当，信息反馈及时，能较好地组织教学。
可以再调动学习气氛
Unit 13 Section A 3a
一、自学：翻译下列词组：
1在中国南方 2、听说鱼翅汤 3、砍掉它们的鱼鳍
4、不但 而且 5、对环境有害 6、在食物链的顶部
7、降得太低 8、给所有的海洋生命带来危险
9、要求政府制定法律 10、近20、30年以来
二、互助：
The car is so expected that I can’t _________(买得起) it.
Don’t you think that it is too____________( 残忍的 ) to kill the tiger.
What about the__________( 交通运输 )in your city?
In China,__________( 工业 )is developing rapidly.
If you break the ___________( 法律 ),you will be punished.
三、巩固提高
（一）、用括号内所给单词的适当形式填空。
1、Eating too much meat is _________(harm) to health.21世纪教育网版权所有
2、The expect is doing some_______(science)researches now.21教育网
3、I think everyone should play a part in ______(environment) prection.
4、We should use _______(reuse)bags instead of plastic bags.
5、It’s time to take action to protect the ________(endanger)animals now.
二、单项选择
1. —Are you going to _____ any of the events?
—Yes. Maybe long jump and high jump.
A. take part in B. join C. attend D. join in 21cnjy.com
2. I can’t afford ____ him an expensive birthday present.
A. to buy B. buying C. for buying D. buy 21·cn·jy·com
3. — Remember to ____ the lights when you leave the room. —OK. I will.
A. turn on B. turn down C. turn up D. turn offwww.21-cn-jy.com
4. The girl always has some money to ___ snacks. 2·1·c·n·j·y
A. spend B. pay for C. take D. cost
5. —Look! ___boys are playing on the playground. 【来源：21·世纪·教育·网】
—Yes. _____ them is about 200.
A. The number of; A number of B. The number of; The number of
C. A number of; the number of D. A number of; A number of
III. 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.
课标分析
本课是人教版九年级英语第十三单元，这是一个复习单元，本单元的学习在找时态和语态学习的一般规律，尤其是在灵活选择和运用时态上下功夫，从听、说、读、写的角度运用本单元的语法和话题。本课通过学习鲨鱼的文章，复习连词的用法和各种时态的用法，学会知识的综合运用，为中考打好基础。21世纪教育网版权所有
