Unit 13 We're trying to save the earth! Section A 3a-3b阅读课件(共有PPT41张）

(共41张PPT)
We’re trying to save the earth!
Unit13 Section A 3a-3b
学习目标
通过略读和寻读，能够了解鲨鱼的生存现状及其原因。
通过归纳总结文章内容，能够运用连词将句子内容表达完整。
通过小组活动，能够在实际运用中说明鲨鱼濒危及其原因，提升环保意识。
Let’s watch and think.
What was served to them
Why do they refuse to eat
Let’s watch and think.
[ kru l]
1. What was served to them
Shark fin soup.
2. Why do they refuse to eat
Because the process to make shark fin soup is cruel.
[ ɑ k]
[f n]
[ kru l]
Let’s free talk.
Weight
up to __ tons
Length
__ cm – __ m
Habitats
__________
Lifespan
寿命
__ – ____ years
Species
more than _____
_____ (or _____)
at the ____ of the food chain [t e n] in the ocean’s ecosystem [ [i k s st m]
Diet
What do you know about sharks
Facts about sharks
20
19
11
oceans
20
150
1,000
flesh
meat
top
whale shark
The largest
dwarf lantern shark
The smallest
Are they important
Why do they matter
1. fighting climate change
2. digging through sand
for other marine species
to feed
3. helping phytoplankton (浮游植物) to grow
4. attracting tourists
to swim with sharks
to make money
5. dead shark bodies
support other species
in the deep ocean
Let’s predict.
说明文阅读微策略
根据标题和图片预测文本内容。
What’s the passage maybe about
What’s the passage maybe about
Read 3a fast and match every paragraph with its main idea.
c. Talk about shark fin soup.
b. Sharks are endangered now.
a. Call up people against eating shark fins.
Paragraph 1
Paragraph 2
Paragraph 3
阅读应试微策略：排除法
Let’s read.
3a
1. Where is shark fin soup popular
Shark fin soup is popular _________________.
in southern China
阅读微策略：关注关键词
Read Paragraph 1 and finish the tasks.
中考完成句子判断题型微训练
2. Many people do not realize they are killing a whole shark _______ they enjoy a bowl of shark fin soup.
when
3b
True or False.
( ) Shark fin soup is a famous but cheap dish.
( ) You’re killing a whole shark to have the soup.
F
T
阅读应试微策略：排除法
Read Paragraph 1 and finish the tasks.
中考完成句子判断题型微训练
Let’s read.
1. How many sharks are caught and traded every year
A. 70 billion B. 70 million
C. 90 million D. 20 million
阅读微策略：关注关键词,判断句间关系。
Read Paragraph 2 and finish the tasks.
中考完成句子判断题型微训练
2. Sharks are at the top of the food chain [t e n] , ________ if their numbers drop, the ocean’s ecosystem [ i k s st m] will be in danger.
so
3. Many think that sharks are too strong to be endangered, ________ they are wrong.
but
____ ____
can no longer ________ and ______
Let’s read.
3a
Read Paragraph 2 and finish the tasks.
human activities
The writer’s attitude
throw back
cruel
harmful to the environment
What happens to a shark
cut off
swim
dies
facts about sharks
at the top of the ______ ______ in the ________ ____________
70 million ________ and _______
______ by 90 percent
Read Paragraph 2 and finish the tasks.
Let’s read.
3a
food chain
ocean’s ecosystem
caught
traded
fallen
3b
1. How can governments help
__________________________________________.
2. Two environmental groups against “finning” are:
__________________________________________.
To develop laws [l ] to stop the sale of shark fins
Wild Aid and the WWF
阅读微策略：关注关键词,判断句间关系。
中考回答问题完成句子题型微训练
Read Paragraph 3 and finish the tasks.
3b
3. _________ there are no scientific [ sa n t f k] studies to support this, a lot of people believe that shark fins are good for health.
4. Sharks may disappear one day _________ we do not do something to stop the sale of shark fins.
Although
if
阅读微策略：关注关键词,判断句间关系。
中考回答问题完成句子题型微训练
Read Paragraph 3 and finish the tasks.
Let’s read and think.
阅读微策略：了解文本并学会区分事实与观点
1. Where can you find the article
A. From a novel.
B. From a magazine.
C. From a diary.
Let’s read and think.
阅读微策略：了解文本并学会区分事实与观点
2. What is the type of the magazine
About animal protection.
3. Underline words or sentences to express the writer’s opinion.
Let’s draw a mindmap and retell.
I want to eat shark fin soup, because...
I want to save sharks, because...
良心小巷
They have the power of night fishing.
Sharks have different techniques for capturing food.
Sharks’ eating habits can help to keep fish population strong.
Let’s watch and choose the facts you get.
WWF is appealing to people to join them to speak up for sharks. Could you make a poster to let more people know about sharks
Have your main slogan or headline in the center.
Let’s make a poster in a group.
Use the top, bottom, and sides for important details
Let’s make a poster in a group.
Use powerful images, and color your poster.
Let’s make a poster in a group.
Let’s make a poster in a group.
Word Bank
1. climate change
2. feed marine species
3. help phytoplankton (浮游植物) to grow
4. attract tourists
5. support species in the deep ocean
6. shark fin soup
Let’s make a poster in a group.
Let’s free talk. How can we students help
Let’s check.
评价内容 1 2 3 4 5
能够了解鲨鱼的生存现状及其原因。
能够运用连词将句子内容表达完整。
能够在实际运用中说明鲨鱼濒危及其原因，提升环保意识。
harmful
Let’s study.
有害的
中
例
Staying up often is harmful to your health.
拓
be harmful to “对……有害的”
Let’s study.
练
例
拓
Too much smoking does harm to his health.
do harm to “对……有害”
(2016甘肃) Smoking is ____________ (harm).
harmful
take part in
Let’s study.
1
take part in：参加，指参加会议或群众性活动等，着重说明参加该项活动
2
join：加入组织，团体，党派等，有作为其中的一个成员的含义;后面也可以加表示人的名词，表示和某人一起参加某活动.
3
join in：加入一种具体活动。
Let’s study.
练
She ____________ (参加) the sports day every year.
She ____________ (参加) the Party last year.
Why didn’t you ____________ (参加) the talk last night
takes part in
joined
join in
not only … but also …
Let’s study.
中
不仅……而且……
例
This method is not only cruel, but also harmful to the environment.
Not only does the sun give us light but also it gives us heat.
not only … but also …
Let’s study.
拓
主谓一致原则：not only … but also … 连接两个主语时，谓语动词在人称和数上要与 but also 的主语保持一致。
倒装原则： not only 置于句首，表示强调，其引导的句子要用部分倒装，即将谓语动词的一部分 (情态动词，助动词等)放在句子的前面，而 but also 后的句子用正常语序。
Let’s study.
练
1. She not only sings well but also _________ (跳舞) beautifully.
2. I not only heard of it but also _________ (看见) it.
3. Not only he but also I _______ _____________ _______ (对…...感兴趣) pop music.
4. Not only the students but also the teacher _________ (be) invited.
5. Not only _____ a lot of flowers, but also _____ plant trees in our school every year.
A. do we plant, we B. do we plant, do we
C. we plant, we D. they plant, do we
dances
was
saw
am
interested
in
Let’s study.
中
不再
例
A shark can no longer swim and slowly dies.
I’m no longer a student. = I’m not a student any longer.
He no longer lives here. = He doesn’t live here any longer.
You can drink no more. = You can’t drink any more.
拓
no longer 和 not…any longer 侧重时间。
not…any more 侧重程度和数量
no longer
number
Let’s study.
例
If their numbers drop too low, it will bring danger to all ocean life.
In that country, the number of children is higher in cities than in towns and villages.
The numbers of some kinds of sharks have fallen by 90 percent in the last 20 years.
Let’s study.
练
What ____ the number of the students in your school
About 2,000. A number of them ____ from the country.
A. is, are B. is, is C. are, is D. are, are
拓
当表示 numbers高或低时,要用high或low修饰。
常与number搭配的动词有 grow, fall, drop 等。
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”
southern China
70 million
over 90 percent
Wild Aid & the WWF
Read the passage about sharks and complete the fact sheet below. (P99)
3a
Many people do not realize they are killing a whole shark __________ they enjoy a bowl of shark fin soup.
Sharks are at the top of the food chain, __________ if their numbers drop, the ocean’s ecosystem will be in danger.
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.
Sharks may disappear one day __________ we do not do something to stop the sale of shark fins.
when
so
but
Although
if
3b
Read the passage again and fill in the blanks with the words in the box. (P99)
Homework.
Write a summary in 20-30 words.
01
Finish your own poster.
02
Search for information about endangered animals you want to know.
03