Unit 4 Amazing Plants and Animals Section B 3a-3c 课件+音频(共36张PPT)人教版(2024)英语八年级上册

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Unit 4 Amazing Plants and Animals Section B 3a-3c 课件+音频(共36张PPT)人教版(2024)英语八年级上册

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(共36张PPT)
Unit 4
Amazing Plants and Animals
Section B(3a-3C)
How are plants and animals connected with us
In this lesson,you’ll be able to:
通过阅读文本,提取蓝鲸的关键信息(体重、栖息地、食物、寿命、生态重要性),理解文本对动物特征的描述逻辑。
能以第一人称改写文本段落;能根据文本内容补全关于蓝鲸的短文,掌握动物主题写作的基本结构; 尝试描述自己喜爱的一种动物(如熊猫、大象等),做到信息准确、表达流畅。用英语简单阐述保护意义,树立并践行生态保护理念。
read, write and use the words: ocean, except, the Arctic Ocean, lively.
Learning Objectives
New Words
except
/k nekt/
All the students in our class went to the park except Lucy.
exception
n. 例外
除了
New Words
tiny
adj. 极小的;微小的
/ ta ni/
The little boy found a tiny coin under the sofa.
New Words
lively
adj. 精力充沛的;生机勃勃的
/ la vli/
My little cousin is always lively and never gets tired of playing.
alive
adj. 活着的,有活力的
What’s in the picture
A blue whale.
Lead in
Look and share
What do you know about the blue whale
Let’s watch a video about the blue whales!
Well, Mark, the biologist, has something to say to you!
Watch and answer:
What does Mark want us to do
A. Write a text about blue whales
B. Rewrite a text into a simple one
C. Tell others the importance of protect blue whales
What’s the text type of this article
A. A narrative essay (记叙文)
B. An expository essay(说明文)
C. An argumentative essay(议论文)
This article tells facts about the blue whale !
3a
Read the text and complete the table.
Blue whale facts
Weight
Where they live
Food
How long they live
Importance in nature
Reading tips:
Circle the key words in the form and think about the related verbs!
weigh/be...+数字
live/stay...+地点
live...+时长
eat/have...+食物
3a
Read the text and complete the table.
The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day.
Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them.
3a
Read the text and complete the table.
/ o n/ n. 海洋
/ k sept/ prep. 除了
北冰洋
/ ta ni/ adj. 极小的
/ la vli/ adj. 生机勃勃的
The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day.
Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them.
3a
Read the text and complete the table.
The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day.
Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them.
Reading tips:
Cirle the key words in the form and think about the related verbs!
Read the text and complete the table.
3a
Blue whale facts
Weight
Where they live
Food
How long they live
Role in ecosystem
Read and complete
habitat
life span
It can weigh as much as 200 tons.
In all oceans except the Arctic Ocean.
Some of the tiniest animals in the ocean.
Up to 90 years.
Provide a lot of food after they die;
play an important role in our world
whale fall
becomes food for many kinds of animals
create a lively and healthy ecosystem
Now imagine you are a blue whale named Billy. Introduce yourself to others.
What does the text cover
size
weight
Scanning
Read and find
The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day.
Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them.
habitat栖息地
food
life span 寿命
importance
The Blue Whale
ability
Importance
Hello everyone! My name is Billy the Blue Whale. I am _______________________
___________________________________.
I’m heavy, but I love__________________.
I live in ___________________________
___________________________________.
My favourite food is __________________
I can eat ________________________________.
Use the first person to rewrite the first paragraph.
3b
size
weight
ability
habitat
food
Attention
1.Change of person(人称变化)
2.Variety of sentences(句式变化)
3.Completeness of information(内容完整)
Time to write
Imagine you are a blue whale. Use the first person to rewrite the first paragraph.
What should you pay attention to
The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day.
Step 1: Change the person
Find third person!
Find the verbs
The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day.
Change 3rd into 1st person
I
I
me
I
We/I
We/I
We/I
I
Change verbs into correct forms
am
can weigh
swim
am
live
eat
eat
can eat
They think one of the most beautiful things to see.
I
I
me
We/I
We/I
We/I
I
am
can weigh
swim.
I
am
live
eat
eat
can eat
the largest and heaviest animal on earth.
as much as 200 tons.
Many people like watching
in all oceans except the Arctic Ocean.
a lot.
some of the tiniest animals in the ocean.
around four tons of these a day.
I am the largest and heaviest animal on earth.
I can weigh as much as 200 tons.
Many people like watching me swim.
I live in all oceans except the Arctic Ocean.
I eat a lot.
I can eat around four tons of these a day.
They think I am one of the most beautiful things to see.
I eat some of the tiniest animals in the ocean.
Hello everyone! My name is Billy the Blue Whale. I am ________
______________________________________________________
______________________________________________________
I’m heavy, but I _________________________________________
I live in ________________________________________________
I can eat _______________________________________________
Compare the sentences above and below!
Step 2: Change sentence patterns
Hello everyone! My name is Billy the Blue Whale. I am ________
______________________________________________________
______________________________________________________
I’m heavy, but I _________________________________________
I live in ________________________________________________
I can eat _______________________________________________
I am the largest and heaviest animal on earth.
Many people like watching me swim.
I eat a lot.
I can eat around four tons of these a day.
They think I am one of the most beautiful things to see.
I eat some of the tiniest animals in the ocean.
Step 2: Change sentence patterns
I can weigh as much as 200 tons.
I live in all oceans except the Arctic Ocean.
Many people like watching me swim.
They think I am one of the most beautiful things to see.
I eat a lot.
I can eat around four tons of these a day.
I eat some of the tiniest animals in the ocean.
I’m heavy, but I _________________________________
______________________________________________________________________________________________
I can eat _______________________________________
__________________________
like/love swimming in the oceans.
around four tons of the tiniest animals in the
ocean a day.
Similar meaning!
What does “these” refer to
Step 2: Change sentence patterns
How do you connect the sentences
Add a sentence
like/love swimming
Hello everyone! My name is Billy the Blue Whale. I am the largest and heaviest animal on earth. I can weigh as much as 200 tons. I’m heavy, but I love swimming in the oceans. Many people like watching me swimming. They think it is one of the most beautiful things to see. I live in all oceans except the Arctic Ocean. I can eat around four tons of the tiniest animals in the ocean a day.
The whole paragraph will be ...
Step 3: Complete the content
Make sure no information is missing!
Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them.
Can you rewrite the second paragraph into first person, too
Step 1: Change the person from 3rd to 1st
Step 2: Change sentence patterns
Step 3: Complete the content (no information is missing)
Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them.
One possible answer...
Step 1: Change the person from 3rd to 1st
Step 2: Change sentence patterns
Step 3: Complete the content (no information is missing)
I
I
I
I
I
us
your
you
die
become
help
第一人称转第二人称
I can live up to 90 years. When I die at sea, I become food for many kinds of animals living in and around the sea. This food lasts for over a year and I help to create a lively and healthy ecosystem. We/I play an important role in your world, so you must protect us.
However, the blue whales are facing some problems!
size
weight
ability
habitat
food
life span
importance
protection
Paragraph 1
Paragraph 2
How to make your passage more attractive to readers
Interest readers
Use questions to interest readers.
Choose a picture to catch readers’ eyes.
Add more information to show how amazing
the blue whale is and the problems it is facing.
Add a title
title
Time to write
1. “Do you know who I am I’m the largest animal on Earth—a blue whale!”
2. “What’s the biggest animal you can think of It’s me, a blue whale!”
3. “Have you seen a blue whale before Let me tell you about myself.”
1. “I’m a Blue Whale”
2. “My Life as a Blue Whale”
3. “Billy the Blue Whale”
4. “A Blue Whale’s Story”
5. “About Me: A Blue Whale”
Hello, everyone! My name is Billy, the Blue Whale. Have you ever watched me swim in the ocean Do you know what the largest and heaviest animal on earth is
I am the largest and heaviest animal on earth. I’m heavy, but I love swimming and many people like watching me swim. They think it is one of the most beautiful things to see. I live in all oceans except the Arctic Ocean. I eat a lot, but I eat some of the tiniest animals in the ocean. I can eat around four tons of them a day.
I can live up to 90 years. When I die, I become food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. So I play an important role in the ocean’s ecosystem. Plase protect me.
Time to write
A sample
The Blue Whale
What problems are they facing
Noise prevents them from communicating
The ship might hit them!
Climate changes cause less food!
Plastic pieces cause their sickness!
What can we do to proect whales
We can protect whales by using less plastic.
We are parts of the world and so are they!
Protect life on earth, big or small!
by keeping the oceans clean.
by making less noise in the ocean.
by learning and sharing.
The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day.
最大最重的动物
the largest and heaviest animal - 最大最重的动物
weigh as much as 200 tons - 重达 200 吨(“weigh” 表示 “重量为”,“as much as” 表示 “多达、高达”)
watch blue whales swim - 观看蓝鲸游动(“watch sb./sth. do sth.” 是常用结构,意为 “观看某人 / 某物做某事”)
one of the most beautiful things to see - 最值得一看的美好事物之一(“one of + the + 形容词最高级 + 名词复数” 表示 “…… 之一”)
live in all oceans - 生活在所有海洋里
except the Arctic Ocean - 除了北冰洋(“except” 表示 “除…… 之外(不包含在内)”)
eat a lot - 吃很多东西
the tiniest animals in the ocean - 海洋里最小的动物(“tiniest” 是 “tiny” 的最高级,意为 “极小的”)
around four tons - 大约四吨(“around” 此处表示 “大约”,相当于 “about”)
live up to 90 years - 活到 90 岁(“live up to + 年龄” 表示 “活到…… 岁”)
die at sea - 在海里死亡
重达 200 吨
as...as...(中间加原级)
watch sb do sth 看...做...
最值得一看的美好事物之一
one of the+最高级+cn复数(表示最...之一)
except prep.除...之外(不包含)
吃很多东西
最小的动物
... tons of... ...吨...
Make notes!
Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them.
live up to...years 活到...岁
许种类的...多
现在分词做后置定语
持续一年多
创造一个充满活力且健康的生态系统
在…… 中扮演重要角色
protect ... from... 保护...免受...的伤害
die vi.死亡 death n.死亡
dead adj.死的;去世的
deadly adj. 致命的
/ la vli/adj. 精力充沛的;生机勃勃的
1. The boy standing there is my brother.
站在那儿的男孩是我弟弟。
2. The girl singing on the stage is my best friend.
在舞台上唱歌的那个女孩是我最好的朋友。
高频考词:
many kinds of 许多种类的
different kinds of 不同种类的
all kinds of 各种各样的
a kind of 一种
1. Blue whales live in all oceans except the Arctic Ocean.
蓝鲸生活在除北冰洋以外的所有海洋中。
( 1 )oceans 是ocean的复数形式,表示泛指所有海洋。
except
is
except
Language Points
eg:1.博物馆除周一外每天都开放。
The museum is open every day _________ Mondays.
2. Everyone except Mike _____(be) going to play basketball because he
doesn't like it.
3.All my classmates went to the zoo ________ Lily—she was ill and stayed
at home.
4.______ math, I also like English and Chinese. They are my favorite
subjects.
( 2) except 介词, “除了,除...之外(没有...) ” (不包括)=but
排除关系,含有 “减去”的意思。
besides “除…之外(还)” (包括)含 “加上” 的意思。
except
Besides
2. Blue whales can live up to 90 years.
蓝鲸的寿命可达 90 年 。
eg:The giant panda can __________ 20 years in the wild.
大熊猫在野外能活到20岁。
We should live ________ our parents' expectations.
我们应该不辜负父母的期望。
This product didn't ___________ its promises.
这个产品没有达到它承诺的效果。
live up to
up to
live up to
Language Points
达到;不辜负(期望)
live up to
活到(某一年龄、岁数等)
;达到
Language Points
3. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. 当一头蓝鲸在海洋中死去时,它会成为生活在海洋里及海洋周边的多种动物的食物。
考点: dies 是die的第三人称单数现在时,
派生词:death (n. 死亡),dead (adj. 死亡的)
many kinds of +可n复/不可n 表示"多种多样的"
eg:
When a plant ______, it returns nutrients to the soil.
当植物死亡时,它会将养分返还给土壤。
There are ______________ books in our school library.
我们学校图书馆有许多种类的书籍。
many kinds of
dies
Summary:
ocean
except
tiny
aroud four tons
many kinds of
last for over a year
a lively and healthy ecoystem
1. n. 海洋
2. prep. 除了
3. adj. 极小的
4. 大约四吨
5. 许多种类
6. 持续超过一年
7. 一个生机勃勃且健康的生态系统
Exercises:
(1) 完成句子
1. 考拉生活在澳大利亚的森林里,除了最干旱的地区。
The koala lives in the forests of Australia, ______ the driest areas.
2. 考拉每天要睡大约20个小时。
A koala sleeps for ______ twenty hours each day.
4. 它只吃桉树叶,这是一种微小的叶子。
It only eats eucalyptus leaves, which are ______ leaves.
5. 森林为多种鸟类和昆虫提供了家园。
The forest is home to ______ ______ ______ birds and insects.
6. 一棵桉树可以存活超过一百年。
A eucalyptus tree can ______ ______ over a hundred years.
7. 保护森林有助于维持一个生机勃勃的健康生态系统。
Protecting the forests helps to maintain __ ___ ___ ______ ________.
except
around
many kinds of
last for
a lively and healthy ecosystem
tiny
Exercises:
(2) 翻译句子
1. 牡丹除了最寒冷的地区外,在中国许多地方都能生长
2. 玫瑰丛中生活着许多种类的昆虫。
3. 荷花池是一个生机勃勃的健康生态系统。
4. 在花园的所有植物中,蘑菇的孢子是最微小的。
5. 竹子的根系可以在土壤中存活超过一年。
The peony can grow in many parts of China except the coldest areas.
There are many kinds of insects living in the rose bushes.
The lotus pond is a lively and healthy ecosystem.
Of all the plants in the garden, mushroom spores are the tiniest.
Bamboo roots can last for over a year in the soil.
1. 猎豹在所有陆地动物中跑得最快。
The cheetah runs  the   fastest  among all land animals.
2. 我认为世界上最有用的植物是竹子。
I think  the   most   useful  plant in the world is bamboo.
3. 你认为哪个是最漂亮的,玫瑰、牡丹还是莲花?
 Which  do you think is  the   most   beautiful , the rose, the peony, or the lotus flower?
the 
fastest 
the 
most 
useful 
Which 
the 
most 
beautiful 
4. 哪个动物跳得最高,狮子、猴子还是树蛙?
Which animal jumps  highest , the lion, the monkey  or  the
tree frog?
highest 
or 
完成译句 (每空一词)。
Exercises:
Homework:
Must do:
Revise and improve your writing for task 3c. Please submit your final version in our next class.
Choose to do:
Find more information online about blue whales and come up with some practical suggestions on how we can help protect them.

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