Unit 13 We’re trying to save the earth Section A 3a-3b

课件56张PPT。Unit 13Unit 13
We are trying to save the earth. Section A 3a-3b被污染
烧煤
太多
扔掉
把......变成......
附近
能够
解决问题
减少空气污染
乘公共汽车或地铁
代替、而不是......be polluted
burn coal
too much
throw away
turn...into...
around here
be able to
solve a/the problem
cut down air pollution
take the bus or subway
instead of
骑自行车
骑自行车有别的好处。
对......有益
垃圾污染
去购物
开始做某事
记得要把垃圾扔进垃圾桶
保持公共场所的整洁和美丽
对......有影响、有作用
通向美好未来ride the bike
There are other advantages of bike riding.
be good for
waste pollution
go shopping
start doing
remember to throw rubbish in the bins
keep public places clean and beatiful
make a difference to sb.
lead to a better future
自治区、直辖市重点保护野生动物名录的还有成百上千种。随着经济的持续快速发展和生态环境的日益恶化，我国的濒危动物种类还会增加。 改革开放以来，我国进口了不少动物，如湾鳄、暹罗鳄、食蟹猴、黑猩猩、非洲象等。至于我国究竟有多少种濒危动物很难说清。但可以肯定，如果包括无脊椎动物的话，至少有1000种。Animals are our friends.We live (居住) in the same(相
同) small world(世界). To love
animals is to love ourselves
(我们自己).The earth is badly polluted. Please think of the ways that we can do.Save the earth!close down the factories;
help to clean up the river;
take the bus or subway;
ride a bike;
bring a bag to go shopping, throw rubbish in the cans;
turn off the lights when you leave a room;
use paper or resusable bags;
recycle books and paper;
turn off the shower when you wash your hair;
don't use napkins;
rethink, reuse, recycle ... ...solutionsEvery species has its own reason to survive. Now that we human appeared on the earth, we should live in harmony with everything lives on it. Sometimes protecting the wild animals is just a simple thing if everyone takes a small step. ['spi:?i:z]n.物种;种类;类型[?hɑrm?ni]n. 协调;融洽
一致;和谐Not only pandas but also sharks are endangered now !!!1. What do you know about sharks?
2. Do you think sharks can be endangered? Why?
3. What do you think might cause a fall in the number of sharks?The sharks were caught.The shark is being killed.The man is cutting the fin off.The sharks that have no fins will be thrown back into the ocean again.The fins will be delivered to the markets or the restaurants. The shark fin soup1800.00RMB
each bowlIt comes….Yao Ming, the Chinese basketball star, are calling on us to protect sharks. As what he said in the Ad, when the buying stops, the killing can too.Before you read1Look at the photo, the questions in 3a and the title to the story on page 99. Then answer the questions below. Who can you see in the picture?
What does the passage may talk about?1. A shark.2. It may talk about the sharks.Read the title, the first and last sentences in each paragraphs and match the main ideas. Talk about shark fin soup.
Sharks are endangered now.
Appeal to people against eating shark fins. Para. 3
Para. 1
Para. 2in southern Chinaaround 70 millionover 90 percent WildAid and the WWF3aRead the passage about sharks after the tape and complete the fact sheet below.While you read2Read Paragraph 1 and judge the sentences.①Shark’s fin（鱼鳍）soup is famous and expensive all around the world.
②You’re killing a whole shark when you enjoy a bowl of shark’s fin soup.FTMany have heard of shark fin soup. This
famous and expensive dish is especially
popular in southern China. But do you realize
that you’re killing a whole shark each time
you enjoy a bowl of shark fin soup?
Read Paragraph 1 and learn it Points in Para 1
hear of 听说
shark fin soup 鱼翅汤
in southern China= in the south of China 在中国南部地区
each time 每当…
a bowl of …一碗……

Many have 听说 鱼翅汤. This famous and expensive dish is especially popular 在中国的南部地区. But do you realize that you’re killing a whole shark 每当 you enjoy 一碗 shark fin soup?
Read Paragraph 2 carefully and answer the following questionsBecause sharks are at the top of the food chain in the ocean’s ecosystem.Although sharks are at the top of the food chain, people ______ their fins and eat ____________.cut offshark fin soupIf a shark doesn’t have a fin, what will happen?
A shark can no longer swim and slowly dies.If sharks’ numbers drop too low, what will happen?
It will bring danger to all ocean life.Why are sharks endangered now?
Around 70 million sharks are caught and traded in this industry every year. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.Save the sharks!`Fill in the chart according to Paragraph 2.people enjoy _____________________fishermen ___________, ___________, then _______________________________________________________decreased quicklya bowl of shark fin soupcatch sharkscut their finsthrow them into the oceanThe numbers of some kind of sharksWhen people catch sharks, they cut off their
fins and throw the shark back into the ocean.
This is not only cruel, but also harmful to the environment. Without a fin, a shark can no longer swim and slowly dies. Sharks are at the top of the food chain in the ocean’s ecosystem. If their numbers drop too low, it will bring danger to all ocean life.Points in Para2
cut off 切掉
not only…but also 不仅，而且
be harmful to … 对……有害
without a fin 没有了鳍
no longer 不再
at the top of… 在……的顶部
the food chain 食物链
in the ocean’s ecosystem 在海洋生态系统中
danger 危险---dangerous 危险的

When people catch sharks, they 切掉 their fins and throw the shark back into the ocean. This is 不仅 cruel, 而且 对……有害 the environment. 没有了 a fin, a shark can 不再 swim and slowly dies. Sharks are 在食物链的顶部 in the ocean’s 生态系统. If their numbers drop too low, it will bring 危险to all ocean life. Many believe that sharks can never be endangered because they are the strongest in their food chain. But in fact, around 70 million sharks are caught and traded in this industry every year. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.
Points in Para2
endangered 濒临灭绝的
in fact 实际上
catch-caught-caught
industry 工业，产业，行业
fall-fell-fallen
over 90 percent 超过百分之九十
in the last 20 to 30 years 在过去的20到30年里 （用现在完成时）

Many believe that sharks can never be 濒临灭绝的 because they are the strongest in their food chain. But 实际上, around 70 million sharks are 捕捉 and traded in this 产业 every year. The numbers of some kinds of sharks have 在过去的20到30年下降了超过百分之九十.
Read Paragraph 3 and discuss, How can we save the sharks?What are they doing?They are teaching the public about “finning”. They have even asked governments to develop laws to stop the sale of shark fins.What can we do to save the sharks?We should stop eating the shark fin soup!Read Paragraph 3 and judge the sentences.WildAid and the WWF are environmental protection groups in China.
Two environmental groups appeal to establish laws to stop sale shark fins.
Shark’s fins are good for health.FTF Environmental protection groups around the world, such as WildAid and the WWF, are teaching the public about “finning”.
They have even asked governments to develop laws to stop the sale of shark’s fins. So far, no scientific studies have shown that shark’s fins are good for health, so why eat them? Help save the sharks!Points in Para3
environment-environmental
environmental protection groups 环保组织
such as 例如
develop laws to stop the sale of shark fins 完善法律来组织预鱼鳍的销售
so far 到目前为止 （用现在完成时）
scientific studies 科学研究
show-showed-shown/showed

环境保护组织 around the world, 例如 WildAid and the WWF, are teaching the public about “finning”. They have even asked governments 完善法律来阻止鱼鳍的销售. 到目前为止, no 科学研究 have 表明 that shark’s fins are good for health, so why eat them? Help save the sharks!1. Many people do not realize they are killing a
whole shark _____they enjoy a bowl of shark’s
fin soup.
2. Sharks are at the top of the food chain, ______
if their numbersdrop, the ocean’s ecosystem
will be in danger. Read the passage again and fill in the blanks with the words in the box. sowhen3bMany think that sharks are too strong to be
endangered, _________ they are wrong.
_________there are no scientific studies to support this, a lot of people believe that shark fins are good for health.
5. Sharks may disappear one day ______ we do not do something to stop the sale of shark fins.
butAlthoughIf 3After you readRetell the passage according to the mind map.Save the sharksbe killed 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..3aMind map1. A shark can no longer swim and slowly dies. 鲨鱼不能再游泳然后慢慢死掉。no longer &no more “不再”
no longer和not…any longer 侧重时间
not…any more 侧重程度和数量Language pointsI’m no longer a student.
我不再是个学生了。
You can drink no more. = You can’t drink any more.
你不能再喝了。(喝酒的量到了一定程度，不能再继续下去了。) 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。 not only…but also…
表示并列，着重强调后者，“不仅……而且……” （also 可省略）
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
not only放在句首，后接句子时要用倒装结构She not only plays well, but also writes music.
她不仅很会演奏，而且还会作曲。
Not only men but also women were chosen.
不仅仅是男的，女的也有被选中的。
Not only had the poor man been fined, but also he had been sent to prison.
这个可怜的人不仅被罚款，而且还被送进了监狱。 be harmful to 对… 有害Smoking is harmful to the health.
吸烟有损健康。
Playing computer games much is harmful to students.
电脑游戏玩太多对学生有害。3. Sharks are at the top of the food chain in the ocean’s ecosystem.
鲨鱼位于海洋生物系统食物链的顶部。 at the top of 在...最高地位; 用最高[最大]的(速度, 声音等) I looked at the top of his head, his hair shiny and parted smoothly.
我看他的头顶, 头发光亮, 分得平滑。
He shouted at the top of his voice in order that he might be heard.
他尽力大声叫喊, 以便别人能听见。4. If their numbers drop too low, it will bring danger to all ocean life. 此句复数形式的number表达全海洋中鲨鱼的总量。当表示数值的高或低时，number要用high或low修饰
常与number搭配的动词：grow, fall 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。听说
一整只鲨鱼
每次
一碗鱼翅羹
切掉
扔回
不仅......而且.......
对环境有害
没有鱼鳍
不再
慢慢死去
在海洋生态系统食物链的顶端
给所有的海洋生物带来危险
濒临灭绝
hear of
a whole shark
each time
a bowl of shark fin soup
cut off
throw back into
not only... but also...
be harmful to
without fin
no longer
slowly die
at the top of the food chain in the ocean's ecosystem
bring danger to all ocean life
be endangered
事实上
被捕杀和交易
......的数量
某些品种
在过去的20到30年
环境保护组织
比如
立法
......的销售
到目前为止
帮助拯救鲨鱼。in fact
be caught and traded
the number(s) of
some kinds of
in the last 20 to 30 years
environmental protection groups
such as
develop laws
the sale of
so far
Help save the sharks!