Unit 13 We are trying to save the earth!
Section A（3a-3b）导学案
Teaching aims
学生能够掌握有关海洋动物保护的词汇，能够描述目前现状并针对问题提出自己的观点和建议。
The important and difficult points
一、功能：能谈论鲨鱼目前现状和鲨鱼保护问题
二、词汇和常用表达：
1.能正确使用下列词汇 shark fin, cruel, harmful, at the top of, chain, industry, law scientific
2.能正确使用下列常用表达 be harmful to, at top of, the food chain, take part in, take action
三、文化知识：了解人类捕捉鲨鱼获取鱼翅，破坏环境污染问题并呼吁人们保护鲨鱼
四.在探讨有效的保护濒危动物措施的过程中，增强学生们爱护动物、保护地球的意识。
并能够描述目前现状并针对问题提出自己的观点和建议。
Teaching and learning steps:
Step 1. Review
Step 2. Warm-up(热身)：
1.Show some pictures of the animals, ask students some questions to lead to
the endangered animals.
Lead in: Use some words to describe the sharks。
Many people think that sharks are too strong to be endangered, but thery are wrong.
Step 3 1.Skimming（略读）：阅读策略：Read the title, the first and last sentences in each paragraph and match the main ideas.
Para. 1 A Something happens when people cut off shark’s fins.
Para. 2 B Environmental protection groups have done something to protect sharks.
Para. 3 C You’re killing a whole shark when you enjoy a bowl of shark fin soup.
2.Scanning（寻读）:
Para 1
Where is shark fin soup popular?
2. What does it mean when people enjoy a bowl of shark fin soup?
Para 2 See a video
1.Q1: What do people do to sharks?
People______ sharks, _______their fins and_____ the shark _________the ocean.
Without a fin, a shark can no longer _____ and slowly______.
Q2: 2. Without a fin, what will happen to a shark?
Q3: Why does the writer say it is harmful to the environment?
____________________________________________________________
处理生词：at the top of food chain / ocean’s ecosystem
Q4: What do the two numbers mean?
Details:
The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.
3, Consoludate
Para 3
Q1: What are the two environmental protection groups?
Environmental protection groups
Q2: What have people done against finning?
1）._______________________________
2）._____________________________________________________
Step 4.After reading
Is the shark the only animal that is endangered?
Should we let them disappear?
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……
Watch a video : Yao Ming,David?Beckham and the Prince of Englang are calling
on us to protect sharks.
Step5: Group work
How to protect the endanger animals?
1.话题概述 2.思路点拨:
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, …
3. 典例展示4. 趁热打铁（写作文） 5. 成果展示
Step6: Summary
Step7: Homework：
课件35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)
Knowledge aims:
Review the use of conjunctions.
Review different tenses.Ability aims:
Improve students’ ability of reading comprehension.
Improve Ss' ability of summing up by using mind-map.Emotional aims:
Arouse Ss' awareness of environmental issues.
Prompt Ss to think about ways of protecting the wild animals.Importance and difficulties
1. How to improve students’ ability of reading with reading strategies.
2. How to review conjunctions and different tenses.Studying aimsUse some words to describe the sharksbiglargesharp teethscaringdangerouscruelshark鲨鱼Many people think that sharks are too strong
to be endangered,but they are wrong.The sharks are endangered!food chains 食物链ocean ecosystem 生态系统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.
1. Where is shark fin soup popular?2. What does it mean when people enjoy a bowl of shark fin soup?Read Para. 1shark fin soup==A bowl of fin soup the life of a whole shark xxpHow 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?dieThe shark will die slowly without the fin.徐 x p Read Para. 21.Why is it harmful to the environment?
2. What do the two numbers mean?70 million90 percent1.Why is it harmful to the environment?the food chainat the top ofdrop too lowwill bring…to…2. What do the two numbers mean?70 million90 percentAround 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.situationShould people stop killing the sharks?If we can’t stop the killing,the sharks will disappear.When people catch sharks, they cut off their
fins and throw the sharks back into the ocean.cruelWithout a fin, a shark can no longer swim
and slowly dies.harmful1.Sharks are at the top of the food
chain in the ocean’s ecosystem.2.If their numbers drop too low, it will
bring danger to all ocean life.2.The numbers of some kinds of
sharks have fallen by over 90
percent in the last 20 to 30 years.1.Around 70 million sharks are
caught and traded in this industry
every year. Para2.factFeeling
&
Results
endangered①②&Read para.3What are
?2. 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 have they done?They have even asked governments to develop laws(法律) to stop the sale of shark fins.Are the shark fins good for healthNo scientific studies have shown that
shark fins are good for health.？What can we do to save the sharks?We should stop eating the shark fin soup!when the buying stops, the killing can too.Is 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? 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, …presentationpollute…
have no place…
kill them to eat/make clothes/ make money…stop eating…/ buying… / polluting…
develop laws to…
…some conjunctions you may useso, although, if, but, when,
not only…but also…,because…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。Save the sharksKill sharks for shark fin soupWhy?How?catch…,cut off…,
throw back into…Results?can no longer swim, slowly diebe harmful to the environmentbring danger to all ocean lifeHow?Teach the public about “finning”To develop laws to stop the sale of shark fins.No scientific studies have shown that shark
Fins are good for health.Summary1. Read the passage again.Homework2. Make a poster to call on people to protect wild animals.Thank you for listening!Goodbye!
