人教版九年级下册 Unit 13 We're trying to save the earth! Section A 3a 课件(共28张PPT)

(共28张PPT)
Unit 13 we’re trying to save the earth! Section A (3a)
Save the Sharks!
Studying aims
Knowledge aims:
cut off, throw…back into…,not only…but also… , be harmful to, food chain, ecosystem, at the top of.
Ability aims:
Improve students’ ability of reading comprehension.
Improve Ss' ability of summing up by using mind-map
Emotional aims:
Prompt Ss to think about ways of protecting the wild animals.
Knowledge aims:
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.
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.
The sharks are endangered!
Save the sharks!
Read 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.
鳍
1. Where is shark fin soup popular
2. What does it mean when people enjoy a bowl of shark fin soup
Read Para. 1
southern China
They’re killing a whole shark when
they enjoy a bowl of shark fin soup.
shark fin soup
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 fins
cut off
throw…back into...
2.Without a fin, what will happen to a shark
die
Read Para. 2
1.Why is it harmful to the environment
2. What do the two numbers mean
70 million
90 percent
Sharks are at the top of the food chain, so if their
numbers drop too low, it will bring danger to
all ocean life.
1.Why is it harmful to the environment
the food chain
at the top of
drop too low
will bring…to…
2. What do the two numbers mean
70 million
90 percent
Around 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.
situation
Save the sharks!
`
people cut off their fins and eat shark fin soup.
A shark can no longer swim and slowly dies.
at the top of the food chain in the ocean’s ecosystem
If sharks’ numbers drop too low, It will bring danger to all ocean life.
According to Paragraph 1,2 and fill in the chart.
people enjoy _____________________
fishermen ___________, ___________, then _______________________
________________________________decreased quickly
a bowl of shark fin soup
catch sharks
cut their fins
throw them into the ocean
The numbers of some kind of sharks
/d ’kri:s/减少
Did people stop killing the sharks
If we can’t stop the killing,
the sharks will disappear.
Read para.3
What are

2. What are they doing & what have they done
the two environmental protection groups
1. 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…
Are the shark fins good for health
No scientific studies have shown that
shark fins are good for health.
？
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
1. 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 to
eat
make clothes
make money
…
…
If … drop too low, …will bring…to…
stop eating…
buying…
polluting…
develop laws to …
…
…
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。
Thank you for listening!