(共42张PPT)
Section A
3a-3c
To master the new words: shark. fin. cruel. harmful. chain. ecosystem. industry, law, scientific,
To master the phrases: be harmful to, at the top(of sth.), take part in, throwaway
To learn the sentences: No scientific studies have showed that shark fins are good for health. We should help save the sharks.
To be friendly to nature, call for people not ’Finning’ any more.
To use reading skill (skimming, scanning, careful reading ) to get the main idea.
Objectives
What was the problem
The river was __________. Even the bottom of the river was full of _______. There were no more _____ for fishermen to catch.
What caused the problem
People are throwing ________ into the river.
Factories are putting ______ into the river.
How should the problem be solved
We should write to the __________ and ask them to __________ the factories. Everyone should help to ________ the river.
really dirty
rubbish
fish
litter
waste
government
close down
clean up
Review
Complete the chart.
Problems Solving problems
air pollution
waste pollution
wooden chopsticks or plastic forks
rubbish
take the bus, subway or ride a bike instead of driving.
bring a bag to go shopping.
use chopsticks or forks at home.
throw rubbish in the bins.
河的底部
关闭工厂
清理
参与到做某事中
环境问题
空气污染
扔掉
变成
减少
骑自行车的优点
the bottom of the river
close down the factories
clean up
play a part in doing
environmental problems
air pollution
throw away
turn into
cut down
the advantages of bike riding
木制筷子
塑料口袋
外卖食物
对..产生影响
导致
wooden chopsticks
plastic bags
takeaway food
make a difference to
lead to
shark
fin
cruel
harmful
be harmful to
at the top of
chain
n. 鲨鱼
n. （鱼）鳍
adj. 残酷的；残忍的
adj. 有害的
对......有害的
在......顶部或顶端
n. 链子；链条
New words
the food chain
ecosystem
industry
law
scientific
食物链
n. 生态系统
n. 工业；行业
n. 法律；法规
adj. 科学上的；科学的
arhks
shark n. 鲨鱼
auhfrml
harmful adj. 有害的
eucrl
cruel adj. 残酷的
yrsdntiu
industry n. 工业
cceiiitfns
scientific adj. 科学的
Put the letters in correct orders to spell the words .
Competition: Who is the quickest
What are they
Sharks are at the top of the food chain in the ocean's ecosystem.
Sharks
But!!!
Lead-in
Sharks are endangered.
Read the passage about sharks and finish the following tasks.
Save the sharks !
What’s the main idea of the article
A. Some kinds of fish in the ocean
B.The sharks are endangered in the world.
C.Shark’s fin soup is famous and expensive.
A:in great danger B:dangerous
Watch the picture and predict the main idea of the passage.
Text book on Page 99
Read and match.
Para.1
Para.2
Para.3
B. Talk about shark fin soup.
C. Sharks are endangered now.
A. Call on people against eating shark fins.
Read Para. 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 fin soup.
F
T
in southern China.
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
Read Para. 2 and fill in the blanks.
1.What are the names of the two environmental protection groups
2. What have people done against(反对）finning？
Read Para. 3 and answer the questions.
②Ask governments to develop laws to stop the sales of shark fins.
①teach the public about finning.
A.培养 B.壮大 C.完善
3. Do you think the shark fin soup is good for health
No scientific studies have shown that shark fins are good for health.
A.科学的 B.理论的
Where shark fin soup is popular
Number of sharks caught and traded every year
The numbers of some kinds of sharks have fallen in the last 20 to 30 years
Two environmental groups against “finning”
in southern China
70 million
over 90 percent
Wild Aid & the WWF
Read the passage about sharks and complete the fact sheet below.
3a
1. Many people do not realize they are killing a whole shark ______ they enjoy a bowl of shark fin soup.
2. Sharks are at the top of the food chain, ____ if their numbers drop, the ocean’s ecosystem will be in danger.
3. Many think that sharks are too strong to be endangered, _____ they are wrong.
4. _________ 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.
when
so
but
Although
if
so although if but when
Read the passage again and fill in the blanks with the words in the box.
3b
听说
砍掉；切断
不但……而且……
对……有害
在……的顶端
Pay attention to the following underlined parts.
Translate the phrases into English.
hear of
cut off
not only...but also...
be harmful to
at the top of
1.听说
2.砍掉；切断
3.不但……而且……
4.对……有害
5.在……的顶端
What can we do to save the sharks
We should stop eating the shark fin soup!
when the buying stops, the killing can too.
Wildlife Conservation
Day (野生动物保护日)
1. Without a fin, a shark can no longer swim and slowly dies.
没有鱼鳍，鲨鱼不能再游泳，然后慢慢死去。
no longer = not … any longer
no more = not … any more 不再
e.g. Mr. Brown no longer works here.
= Mr. Brown doesn’t work here any longer.
You can’t drink any more.= You can drink no more.
Language points
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 … “不仅……而且……”
连接两个并列关系的成分，着重强调后者，其中的also 可以省略。
e.g. She not only plays the piano well, but (also) writes music.
not only置于句首时，句子常用倒装语序。
e.g. Not only does my sister sing well, but she dances well.
not only ... but also ... 连接并列主语时，谓语动词须与后面那个主语在人称和数上保持一致，即临近原则。
e.g. Not only the students but also the teacher is working hard.
同义句转换，每空一词。
1) She and I have already been to Beijing.
____ ____ she ____ ____ I have already been to Beijing.
2) He likes to swim and he wants to teach the kids to swim, too.
Not only ____ ____ ____ to swim, ____ he wants to teach the kids to swim.
3) The twins were late this morning. Sam was late, too.
Not only the twins ____ ____ Sam ____ late this morning.
____ ____ Sam but also the twins _____ late this morning.
Not only but also
does he like
but
was
Not only
were
but also
be harmful to 对……有害
e.g. Too much salt can be harmful to a young baby.
1) 吸烟有害健康。
Smoking is harmful to the health.
2) 玩手机太多对眼睛有害。
Playing mobile phone much is harmful to your eyes.
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)
e.g. He shouted at the top of his voice in order that he might be heard.
他高声叫喊, 为了别人能听见。
【语境应用】翻译句子。
Mary is at the top of her class in English.
___________________________________
玛丽的英语水平在班上数一数二。
【拓展】top短语
on top (of sth.) 在最上面，在顶部; 处于领先地位
on top of the world 极其高兴的
e.g. There should be a cup on top of the fridge.
When I heard she’d passed the exam I felt on top of the world!
4. If their numbers drop too low, it will bring danger to all ocean life.
如果它们的数目降至过低，会给所有海洋生物带来危险。
此句复数形式的numbers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搭配的动词有grow, fall等。
e.g. In that country, the number of children going to school is higher in cities than in towns and villages.
在那个国家，城市儿童入学人数比乡镇及农村要高。
In recent years, the number of families that own cars has been growing quickly.
近几年来拥有轿车的家庭数量增长很快。
1. My elder brother wants to study _______ (法律) at university.
2. The emperor was ______(残忍的) and
his men were afraid of him.
3. The car ________(行业) has developed a lot during the past few years.
4. After lunch, they continued doing ___________ (科学的) research in the lab.
Ⅰ. 根据句意及汉语提示，完成下列句子。
law
cruel
industry
scientific
Exercises
根据句意及所给汉语提示，完成下列句子，每空一词。
1. I can see a bird ______ ______ ______ _______ the tree. (在树的顶部).
2. The man had a finger _________ _________ (切掉) by a machine while working.
3. _________ _________ (科学研究) show that taking a nap (午睡) is good for us.
at the top of
cut off
Scientific studies
4. The government has _________ _________ (制定法律) on food safety.
5. You should stop having ______ _______ _______ (鱼翅羹).
6. _________ _________ _________ (食物链) is the order in which animals and plants eat each other in order to survive (生存).
developed laws
shark fin soup
The food chain
Problem
Facts
Solution
We can save the animals before it’s too late.
Let’s make the world a better place.
Save the
Summary
一碗鱼翅羹__________________
切掉__________________________
扔回__________________
不仅......而且......._____________________
对...有害__________________
不再__________________
7.在海洋生态系统食物链的顶端
cut off
a bowl of shark fin soup
throw back into
not only... but also...
be harmful to
no longer
重点短语
at the top of the food chain in the ocean's ecosystem
1.......的数量__________________
2.立法________________
3.......的销售________________
4.到目前为止________________
5.帮助拯救鲨鱼________________
6.科学研究_______________
7.在过去的20到30年__________________
8.环境保护组织____________________
the number of
scientific studies
help save the sharks
so far
the sale of
develop laws
in the last 20 to 30 years
environmental protection groups
Homework
1. Read the passage.
2. Review the new words and phrases in the text.
3. Make a poster about protect the sharks.
4. Write 5 measures to protect the environment.
