外研版（2019）必修二 Unit 6 Earth first Starting out 课件(共40张PPT,内镶嵌2视频)

(共40张PPT)
Unit 6 Earth First
Starting out & Understanding ideas
BY MICHELLE
Warming up
Enjoy a song and answer:
How many animals in the video
What are they
Baby animals are lovely.
However, some of them are in danger.
Brainstorming
What other animals are in danger
Endangerd
Animals
Golden Monkey
Dolphin
Polar Bear
Penguin
Yangtze Alligator
Panda
...
Zebra
Koala
butterfly
Antelope
Starting out
1 Watch the video and answer the questions.
Which of the facts in the video do you find most alarming
What does the video want to tell us
Several environmental problems we are facing nowadays make our future uncertain. It’s time for everyone to take action now and make our planet a greener and safer place for our future generations.
Starting out
2 Look at the cartoons and answer the questions.
What environmental problem does each cartoon refer to
What are the causes of these problems
What do you think is the most serious environmental problem we face today What should be done to help solve it
water pollution
deforestation
air pollution
global warming
SHARKS: DANGEROUS OR ENDANGERED
Pre-reading
Watch and think
Tick the words that you would use to describe sharks. Add any more you can think of.
What do you think of sharks
dangerous
powerful
endangered
interesting
man-eating
terrifying
cute
intelligent
huge
More:________
Now compare your choices with the class. Share what you know about sharks.
Prediction: Will sharks be dangerous or endangered What is your opinion Why
dangerous
endangered
fin 鱼鳍
大白鲨
disappear
surface
Look at the pictures and the title.
Read para.1 and find out how sharks are described in the film Jaws.
Sharks are described in the film as dangerous and bad animals that eat humans.
We see a woman swimming at night in a dark sea. Suddenly, she is pulled underwater. She surfaces,cries in fear, then disappears forever.
What is the function of para.1 by describing the opening scene of the film Jaws
To introduce the topic.
While-reading
What was the film’s impact on sharks after it was on in 1975
made people frightened of sharks .
sharks were bad animals.
started fishing for sharks and killed as many as they could.
The number of large sharks around American fell quickly, and soon fell around the world.
What's the result (After 1975, ...)
Read para.2 and answer the questions.
Why did people kill so many sharks
Why did people do finning to the sharks
fin
finning
Read para.3 and answer the questions.
People believed sharks were bad animals and ate humans. So they killed so many sharks.
People finned sharks to make shark fin soup to enjoy and make money.
How many sharks are killed by finning around the year 1975
A bowl of fin soup= The life of a whole shark
Can the shark live long in the sea
Finning kills millions of sharks every year.
How did people feel when they killed sharks
Read para.4, think about the questions and complete the table.
Time
before
1975
after
1980
Things Peter Benchley did
Peter Benchley’s
views on sharks
Wrote a book the film Jaws was based on.
Fought to protect sharks， admitted that his book
was wrong.
Dangerous and
frightening animals.
People were a danger to sharks. Sharks don’ t target humans.
Complete the chart showing how attitudes towards sharks have changed with words and expressions from the passage.
People have a normal fear of sharks.
People have always been scared of sharks because they are considered 1_____________________.
as dangerous animals
People are more frightened of sharks.
People who saw the film Jaws believed2_____________________________________________________.
Some people stopped 3_____________________ while others started to 4_______________.
The number of large sharks fell quickly due to 5___________________________.
sharks were bad
animals that ate humans
swimming in the sea
fish for sharks
fear of sharks and finning
Complete the chart showing how attitudes towards sharks have changed with words and expressions from the passage.
More people are against finning and wish to protect sharks.
Peter Benchley admitted that his book 6____________________________________ and fought 7____________ them.
Experts have proved that 8_________________________________, and they attack us by mistake.
Some people became intersted in 9________________________ and more are willing to 10_________________________________.
was wrong about sharks' behaviour
to protect
sharks do not see people as food
understanding sharks
protect sharks from extinction
Why does the author describe the changing attitude of Peter Benchley
Peter Benchley's attitude toward sharks changes
vs.
dangerous / cruel
endangered
admit his misunderstanding
fight for the sharks
The basic structure of the article.
Sharks:
Dangerous or Endangered
Para.____ +Para.____
__________
Para.____ + Para. ___
____________
Para.____
More people want to
_________________________.
1
2
3
endangered
protect sharks from extinction
dangerous
4
5
Problem
Analyze
Conclusion
What is the author’s answer to the title
Post-reading
Choose the author's purpose in writing the article.
To criticise Peter Benchley's misleading description of sharks in his book and advocate the protection of sharks.
To explain people's misunderstanding of sharks and raise awareness of shark protection.
To inform people about sharks and recommend the film and the book to them.
Post-reading
Think & Share
1. How do you think Peter Benchley felt after diving in 1980
Peter Benchley might feel sad for the sharks being killed; he might feel regretful for depicting the great white shark as a dangerous animal in his book; he might also feel angry about finning.
Think & Share
2. What other films or books do you know that feature wild animals Do they “paint” a good or bad picture of these animals Say how the animals are described.
pangolin
Chinese alligator
cheetah
south China tiger
Some look dangerous but in fact are endangered.
They are endangered.
No trading, no killing.
The globe is a big family.
Just as President Xi said, We should love animals, as we love ourselves. We should live in harmony with every creature.
Dangerous or Endangered
(Language points)
·People have always been scared of sharks，but Jaws made things worse.
人们总是害怕鲨鱼，但是《大白鲨》使事情变得更糟。
scare v.使(某人)惊恐，吓唬
scared adj.恐惧的；害怕的 scaring adj.让人害怕的 scary adj.引起恐慌的
(1)scare sb away/off 把某人吓跑/吓退 scare sb into (doing) sth 威胁/恐吓某人(做)某事
(2)be scared of sb/sth 害怕某人/某物 be scared of doing sth 害怕做某事
be scared to do sth 害怕、恐惧做某事 (be) scared to death 吓的要死
单句语法填空
①They scared the little boy ____________ stealing foods in the supermarket.
②The little girl is scared of ____________(go)out alone.
③The shy boy is scared ____________ (ask) for help at school.
into
going
to ask
·This was not only due to fear of sharks，but also finning.
这不仅是因为害怕鲨鱼，而且是由于捕鲨割鳍。
due to 因为
表原因的介词短语： because of，on account of，owing to，thanks to，as a result of等。
注意：(1)due to 意为“由于”常作表语，也作后置定语和状语。
(2)thanks to意为 “多亏；由于”，只作状语。
(3)owing to意为“由于” 常作状语。
(4)as a result of意为“由于” 作状语。
补全句子
①The production has been increased by around 30 percent __________________________ (由于新技术).
同义句转换
②They have had another good harvest ________________ the heavy snow of last winter.
→They have had another good harvest _______________________ the heavy snow of last winter.
due to the new technology
thanks to
due to/because of/owing to
·Finning is a type of fishing where sharks are caught and their fins cut off.
捕鲨割鳍是一种捕鱼方式，在那里鲨鱼被捕获，他们的鳍被切断。
cut off切断
cut down 削减；删节；砍伐 cut out 切去；省略；停止(做某事)
cut up 切碎；剪碎 cut through 穿过；穿透
cut in 插入；插嘴；超车抢道
短语填空
①It was a cold January in 1925 in Nome，Alaska.The town was ______________ from the rest of the world due to heavy snow.
②Every one of us can make a great effort to __________ the use of energy in our country.
③She kept ________________ on our conversation，which made us very angry.
④________________ the carrots before you put them into the pot.
⑤He ________________ the park and got there in time.
cut off
cut down
cutting in
Cut up
cut through
·Finning would have an unexpected effect upon Peter Benchley，the man who wrote the book the film Jaws was based on. 捕鲨割鳍对彼得·本奇利产生了意想不到的影响，电影《大白鲨》就是根据他的书改编的。
have an effect upon对……有影响
take effect 生效，实行
come /go into effect 开始生效，开始实施
put sth into effect 实施，实行
注意：　(1)affect常作及物动词，“影响，感动，感染”。
(2)effect常作名词，“结果，效果，作用，影响”。
短语填空
①Her illness ____________________ her work.
②It won’t be easy to ____________ the changes ________________.
③The new tax rates ________________ from April.
同义句转换
④After a heated discussion at the meeting，a new plan came into being，which would affect greatly the cultural life of the people.
→After a heated discussion at the meeting，a new plan came into being，which would ____________________ the cultural life of the people.
have a great effect on
has had a bad effect on
put
into effect
came into effect
·He admitted that his book was wrong about sharks’ behaviour.
他承认他的书对鲨鱼行为的描写是错误的。
be wrong about在……方面是错的； 误解……
go wrong 犯错，弄错 do wrong to sb对待(某人)不公平；冤枉某人
注意：wrong 是个多义词
(1)adj.错误的；有毛病的；不适当的；不道德的
(2)adv.错误地
(3)n.不义行为；坏事；犯罪；欺骗；错误；不公正
(4)v.冤枉；不公正地对待
补全句子 ①We can often _______________(误解)each other，so it is an amazing thing that we understand each other as well as we do!
②Sometimes you can _____________(犯错)，but this is the best way to learn this new language.
③Mary’s friend felt regret for he ________________(冤枉她).
be wrong about
go wrong
did wrong to her
·“Sharks don’t target humans，” he said. “鲨鱼不以人类为目标，”他说。
target v.把……作为目标
achieve one’s target 达到目标
aim at a target 瞄准目标
hit/set a target 完成/定指标
注意：target可以用作名词，意为“目标”。
单句语法填空/补全句子
①Google used the data collected from users __________(target)advertising better.
②The woman _____________________(瞄准目标) but hit the wall.
to target
aimed at the target
.Fortunately，not everyone who watched the film Jaws became afraid of sharks—some became interested in understanding them. 幸运的是，并不是所有看过《大白鲨》这部电影的人都害怕鲨鱼——有些人对理解鲨鱼很感兴趣。
【分析】 not everyone是部分否定用法。
【拓展】 部分否定的构成：含“全部/所有/任何”等意义的词(如all，everything，always等)与not连用。
It’s impossible for all the applicants to get the jobs，because not all of them are fit for them.
并非所有的求职者都能找到工作，因为并非所有人都胜任这些工作。
Both of the windows in my bedroom are not facing to the south.
我卧室里的两扇窗户不都是朝南的。
We all agree that everything in the office isn’t satisfying.
我们都认为办公室里的一切并不都令人满意。
补全句子
①But _________________(并非这两个城市都) develop slowly over a long period of time.
②__________________ (不是所有的文化) greet each other the same way.
③It is __________________(并不总是容易的) for the public to see what use a new invention can be of to human life.
一句多译
④事实是并不是每个人重视合理安排时间。
The truth is that ________________ is attaching great importance to time management.
→The truth is that ________________ attaching great importance to time management.
⑤并不是两道数学题都很难。
Both of the two maths problems ________________________.
→_____________ the two maths problems are very difficult.
not both cities
Not all cultures
not always easy
not everyone
everyone is not
are not very difficult
Not both of
1 Read the passage again and understand it better,pay attention to the usage of the key words and the expressions in the passage.
2 Understand some long and difficult sentences.
3 Complete the Excise.
Homework
Show your love and care to wildlife!
THANKS FOR WATCHING