Unit 13 We're trying to save the earth!SectionA 3a-3b课件 (共35张PPT)

(共35张PPT)
Section A
3a-3b
Unit 13
We’re trying to save the earth！
Learning Aims
1.掌握以下单词及短语： cruel, be harmful to, at the top of, industry, take part in, afford, turn off, pay for, take action等。
2. Enable to read the passage and get the main fact about sharks.
3. Learn to talk about protecting animals and environmental protection.
There are some animals are endangered. We should do something to protect the animals and the environment!
Save the earth!
Save the animals!
endangered animals.
Shark
Have your heard of
or eaten the expensive dish
shark fin soup
鱼翅汤
n. (鱼)鳍
Do you know how to make shark fin soup
catch and kill
cruel method
adj.残酷的
n. 方法
cut off the fins
Save the earth!
Save the animals!
We live in the same small world. There are some animals endangered. We should do something to protect them and the environment! To love animals is to love ourselves.
Use some words to describe the sharks
big
large
cruel
scaring
dangerous
terrible
What happens to the shark
the shark is caught (catch) by people.
First ,
the fins are cut (cut) off by people.
Next ,
切除
the shark fins are cooked (cook) into
the shark fin soup by people.
鱼翅羹
Then ,
the shark without fins is thrown
(throw) back into the ocean by people.
扔回到…
Finally ,
Where shark fin soup is popular
Number of sharks caught and traded every year
How goernmemt can help
Two environmental groups against "finning"
Careful-reading
Read the passage carefully, complete the fact sheet below.
southern China
70 million
develop laws to stop the sale of shark fins
WildAid and the WWF
Let's do this to review the text !!!
Some people like to eat shark's fin soup, especially in _______China. But getting the s hark's fin is very _____. When people catch sharks, they ____ ____their fins and throw the sharks into the ocean. The shark slowly dies because it can't _____ without the fin. And it is also ________ to environment. Sharks are at the ____ of the food chain. If the number of sharks drops too low, it will break the balance of nuture. Please say no to eating the shark fin soup, and take action to save the sharks!
southern
cruel
cut off
swim
harmful
top
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 numbers drop, the ocean’s ecosystem will be in danger.
Read the passage again and fill in the blanks with the words in the box.
so
when
3b
so
although
if
but
when
Many 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.
but
Although
if
so
although
if
but
when
3b
Let’s take action (采取行动)
Turn off the lights
when you leave a room.
Recycle books and paper.
Take buses instead of driving cars.
Let’s take action (采取行动)
Bring bags to
go shopping.
Throw rubbish into the bins.
Don’t use wooden chopsticks
stop using paper napkins
（餐巾，餐巾纸）
1. A shark can no longer swim and slowly
dies. 鲨鱼不能再游泳然后慢慢死掉。
no longer意思是“不再”
e.g. I’m no longer a student.
我不再是个学生了。
有两个短语和no longer同义，即not…any longer和not…any more，但他们侧重的方面不同。
Language points
no longer和not…any longer侧重时间。
e.g. He no longer lives here.
= He doesn’t live here any longer.
他不在这儿居住了。(一个时间以前他住
在这儿，过了这个时间，他就离开了。)
not…any more侧重程度和数量
e.g. 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…
用于连接两个表示并列关系的成分，着重强调后者，其意为“不仅……而且……”; 其中的also有时可以省略。
e.g. She not only plays well, but also writes
music.
她不但很会演奏，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。
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。
e.g. Not only you but also he has to leave.
不只是你，他也得离开。
not only放在句首，后接句子时要用倒装结构。
e.g. 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
e.g. Smoking is harmful to the health.
吸烟有害健康。
Playing computer games much is
harmful to students.
电脑游戏玩太多对学生有害。
我都 学会了!
本课句型
Summary
一、根据句意，选择方框中的单词并用其适当形式填空。
1．Eating too much junk food is really _________to your health.
2．I can't stand people who are _____to little animals.
3．My father has been working in the oil __________for five years.
4．He is a great scientist who has made a lot of __________discoveries.
5．With the development of society，
some ______are canceled and some new ones are made.
harmful
cruel
industry
scientific
laws
Exercises
单项选择。
1．I've never heard ____the singer. Do you know much about her
A．with B．of C．on D．in
2．Not only his parents but also he ____ been to the United States.
A．have B．are C．is D．has
3．Please ____ the TV. It's time to go to bed.
A．turn on B．turn off
C．put on D．put off
B
D
B
4． afraid we can not ____B to take a taxi. Let's go by underground instead.
A．refuse B．afford C．forget D．fall
5．In our school library there ____ a number of books and the number for them ________ growing larger and larger.
A．is; are B．has; is C．are; is D．have; are
6．Playing computer games too often ____ our eyes.
A．is helpful to B．is harmful to C．is good for D．is harmful with
B
C
B
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 ___ ___ you___.
4. 到目前为止，我已经交了二十个朋友了。
____ ____, I have made twenty friends.
5. 实际上，她从没去过那儿。
____ ____, she has never been there.
In fact
take action
heard of
to help out
So far
Homework
1. Review the new words and expressions you have learned today.
2. Read and recite the passage.
3. Preview the new words and expressions.
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 !