(共18张PPT)
Unit 13
Unit 13 We're trying to save the earth!
To read and understand the passage about the
endangered animal — sharks；
To have the awareness of protecting the sharks
and respecting nature；
To learn some words and expressions.
There are some animals which are endangered. Make a list of the endangered animals in China.
1. What do you know about sharks
2. Do you think sharks are endangered Why
3. What do you think might have caused a fall in the number of sharks
4. How can we protect sharks and other ocean animals
n. 鲨鱼
n. （鱼）鳍
对……有害
在食物链的顶端
n.生态系统
adj. 残忍的
n.工业
n.法律
adj.科学的
Number of sharks caught and traded every year
How governments can help
Two environmental groups against “finning”
around 70 million
develop laws to stop the sale of shark fins
WildAid and the WWF
Complete the fact sheet below.
Read the passage again and fill in the blanks with the words in the box.
so although if but when
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.
when
so
but
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.
Although
so although if but when
if
Match the Chinese with English.
不再
割掉；砍掉
到目前为止
对……有害
给……带来危险
……的数量
听说
不但……而且……
hear of
cut off
no longer
not only…but also
be harmful to
bring danger to
the number of
so far
根据上下文说出句中的they分别指代什么。
people
sharks
environmental production group
听录音跟读，模仿录音中的语音语调和意群停顿。
Complete the summary of the passage.
Some people like to eat shark fin soup. But getting the shark fin is very _________. When people catch sharks, they ________ ________ their fins and throw the sharks back into the ocean. The sharks slowly die because they can’t _________ without fins. And it is also _________ to the environment. Sharks are at the _________ of the food chain. If the number of sharks drops too low, it will break the balance of the nature. Please say no to eating shark fin soup, and take action to save the sharks!
harmful
cruel
cut off
swim
top
I. 根据语境及所给汉语提示，写出所缺单词。
1. That scientist has spent all his time doing ___________ (科学的) studies.
2. The development of space science has influenced many
___________(行业).
3. Our country is paying more and more attention to environmental protection and has developed a lot of ___________(法规) to protect the environment.
scientific
industries
laws
II.根据语境及所给汉语提示，写出所缺内容，每空一词。
Too much drinking _______ _______ _______(对……有害)
health.
2. There is a tower _______ _______ _______ _______(在……
顶部) the hill.
3. Every Chinese should _______ _______ _______ _______(起
作用) building China into a strong country.
4. _______ _______ _______( 食物链) shows the order that animals eat each other in a community.
is harmful to
/ bad for
at the top of
play a part in
/ role
The food chain
Work with your group members and make a poster about shark protection.(共15张PPT)
1. This is not only cruel, but also harmful to the environment.
这种做法不仅残忍，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.
He is famous not only in China but also in the whole world.
not only置于句首时，则紧随其后的句子用倒装，但but also后的句子不倒装。
e.g. Not only does my sister sing well, but she dances well.
not only ... but also ... 连接并列主语时，谓语动词须与后面的主语在人称和数上保持一致，即就近原则。
e.g. Not only the students but also the teacher is working hard.
Not only he but also I am wrong.
【语境应用】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.
【语境应用】翻译句子。
1) 吸烟有害健康。
2) 玩手机太多对眼睛有害。
Playing mobile phone too much is harmful to your eyes.
Smoking is harmful to the health.
harm n. & v. 损害，伤害
2. Without a fin, a shark can no longer swim and slowly dies.
失去鱼鳍的鲨鱼再也不能在水里游泳，会慢慢死去。
no longer = not … any longer
no more = not … any more/anymore 不再
e.g. Mr. Brown no longer works here.
= Mr. Brown doesn’t work here any longer.
Brown先生不再在这儿工作了。
You can’t drink any more.
= You can drink no more.
你不能再喝酒了。
【语境应用】用no longer和not ... any longer两种形式将下列
汉语句子翻译成英语。
1) 我不再喜欢集邮了。
I no longer like collecting stamps.
I don’t like collecting stamps any longer.
2) 他不再是个小孩子了。
He is no longer a child.
He isn’t a child any longer.
3. Sharks are at the top of the food chain in the ocean’s ecosystem.
鲨鱼位于海洋生态系统食物链的顶端。
at the top of 在……顶部; 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。
Write your name at the top of the page.
在页面的上方写下你的名字。
【语境应用】翻译句子。
Mary is at the top of her class in English.
___________________________________
Mary的英语水平在班上数一数二。
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!
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
4. If their numbers drop too low, it will bring danger to all ocean life.
如果它们的数量下降得太多，将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。
a number of, the number of
词条 意思及用法 例句
a number of 许多，常接可数名词的复数形式，谓语动词用复数形式。 A number of students in his class are here.
the number of ……的数量，接可数名词的复数形式，但谓语动词用单数。 The number of the students in his class is fifty.
【语境应用】根据汉语意思完成英语句子，每空词数不限。
1) 许多孩子正在花园里玩。
____________________ are playing in the garden.
2) 花园里的孩子数量是六。
____________________ the children in the garden ____________________ six.
A number of children
The number of
is
5. Environmental protection groups around the world, such as WildAid and the WWF, are teaching the public about “finning”.
世界各地的环境保护组织，如野生救援协会和世界自然基金会，都在教育公众有关“猎翅”的（残忍）行为。
fin n. 鱼鳍
finning 由动词化的fin的-ing形式转化而成，指“猎翅”（获取鱼翅而猎杀鲨鱼）这一行为。
WWF全称为World Wide Fund For Nature，全球最大的独立性非政府环境保护组织之一。
