Unit 6 Earth first Understanding ideas 课件(共18张PPT)-外研版(2019)必修第二册

(共18张PPT)
Earth first
water pollution
deforestation
What are the behaviors
global warming
air pollution
Who am I
great white shark
1. A kind of marine life
2. The ocean overlord
3. Sharp teeth
4. Tough and rough skin
What’s your opinion of sharks
terrifying
dangerous
powerful
interesting
man-eating
cute
Help me~
You want to save this shark ？
no way !!!
unless you find the key
Task 1:
Tell us your opinion about the title
Whatever！
You get one part of the key
Finish the work I give to you, or you will never get the key.
Hah~~~
Task 2：
Skim the passage and match the main ideas with the parts, also find the author’s purpose of writing
sharks are dangerouss
sharks are endangered
more people want to protect sharks from extinctions
para 1
para 2
para 3
para 4
para 5
It’s unbelievable you complete the first task. But you will never defeat me!!!
Choose the author’s purpose
You defeat me!!!
I can’t accept this result~~
Task 3:
1. Complete the exercise on page 85
2. Answer these questions
1) In para1, what does the author think about the film, Jaws
2) What did Benchley find when he was diving in 1980
3. In your opinion , are sharks dangerous or endangered talk about this question in group of four.
Can you finish this work faster than my shooting
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as dangerous animals
sharks are bad animals that ate humans
swimming in the sea
fish for sharks
fear of sharks and finning
was wrong about sharks’ behavior
to protect
sharks do not see people as food
understanding sharks
protect sharks from extinction
We have gotten one more piece of key. But, what do L, P and O mean
You are here It’s interesting. I underestimate you But, can you complete these blanks
Finish this exercise in 5 minutes, you will get the last part of the key.
The 1975 film Jaws was 1.____great success. It tells the story of a great white shark that 2.______ (attack) and kills swimmers. The film made people 3._____________ (scared) of sharks than before. So some people stopped swimming in the sea and other people wanted sharks killed.
After 1975, the number of large sharks around America fell 4.________(quick), and soon fell all over the world. This was not only due to fear of sharks, but also 5.________（fin). When people catch sharks, they cut off their fins and throw the sharks back into the sea 6._______they die slowly and painfully. Peter Benchley,the writer of the book that Jaws was based on, was 7.______(shock)by sharks being killed. He came to see people 8._______a danger to sharks. He said that sharks didn't target humans.Experts have proved that only about six people 9._________(kill) by sharks every year.
Fortunately, there are still many people who want 10.______(learn) more about sharks and try to protect them from extinction.
a
attacks
more scared
quickly
finning
where
shocked
as
are killed
to learn
Ok, I admit（承认） that you are intelligent. This is the last part of the key.
Unfortunately, you must realize what the four letters(字母）mean in two minutes, or you will lose your friend forever.
Hah~~ I am just such a cruel guy.
Discussion time
Let’s
Protect
Our
Earth
Clue：About the title of this passage
Thanks for your help, my friend.
I believe our environment will be better with your humans’ help
Self-reflection
Answer these questions. If yes, you get 25 scores.
1. After learning this passage, I can master enough words and sentences in this passage.
2. I can divide a passage into right parts.
3. I can find the answers through the key words in questions.
4. I can feel my responsibility of protecting environment and I will do better in the future.
If you get 75 or higher, you have gotten enough knowledge about this passage.
If you get lower than 75, you need to improve yourself.
Homework:
1. Write a composition of 80 words to people which aims to call for environment protection.( grade≧90)
2. Write down at least 5 sentences about environment protection. (90>grade≧60)
3. Look up your dictionary and write down at least 10 words about environment protection and memorize them. (grade<60)