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(共18张PPT)
Unit 4 Amazing Plants and Animals
Lesson 1 (Section A 1a–1d)
神奇的动植物
In this unit, you will：
1. talk about some amazing plants and animals.
谈论一些神奇的动植物。
2. use superlatives to compare more than two
things.
使用最高级比较两个以上的事物。
3. discuss the connection between plants,
animals, and our lives.
讨论植物、动物和我们生活之间的联系。
4. explore why plants and animals are important to us.
探讨为什么动植物对我们很重要。
Learning Objectives
最高级
n. 联系
Look and share
What do you see in the photo
What do you think of when you see the photo
Flowers and bees.
I think of spring,sweet honey,
the beauty of nature,
the importance of bees in pollination.
rape flowers
油菜花
Think and answer
What makes plants and animals amazing
Plants can make their own food with sunlight! Plants can produce seeds to have new plants.
Animals can move around—some run fast, some fly high, and some swim deep in the sea.
Animals can eat food to get energy —some eat plants, some eat other animals.

BIG
Question
Both plants and animals have unique ways to live. They work together to keep nature balanced.
1.What plants and animals do you know
tree frog
butterfly
blue whale
cheetah
redwood tree
bamboo
ginkgo tree
moss
Look and say
2.What’s your favorite animal or plant Why
Look at the plants and animals. Use the words in the box to talk about them.
1a
beautiful big fast heavy large
long old small tall short
moss: _________
blue whale: _______
/m s/ n. 苔藓
small
large
A:What’s amazing about the ______
B:It’s ______.
short
old
big
heavy
long
beautiful
beautiful big fast heavy large
long old small tall short
redwood tree: ____
cheetah: _________
/ t i t /
n. 猎豹
/ redw d/ n. 红杉；红木
tall
fast
A:What’s amazing about the ______
B:It’s ______.
big
beautiful
beautiful
Listen to the conversations and number the plants and animals in 1a in the order you hear them.
1b
moss: _________
blue whale: _______
redwood tree: ____
cheetah: _________
small/..
large/heavy
tall
fast
3
1
4
2
听力策略：
捕捉关键词
Here are some statements that describe the four pictures on the right. Read and match them with the pictures they may describe.
(1) It’s the fastest (最快的) animal on land.
(2) It’s the most beautiful (最美的) animal.
(3) It’s the largest (最大的) animal.
(4) It’s the oldest (最老的) plant.
(5) It’s the tallest (最高的) plant.
(6) It’s the heaviest (最重的) animal in the world.
Read and match
blue whale
cheetah
redwood tree
moss
blue whale
cheetah/blue whale
Listen again. Match the words with the plants and animals in 1a. Some have two answers.
1c
moss: _________
blue whale: _______
redwood tree: ____
cheetah: _________
A. heaviest B. largest C. most beautiful
D. oldest E. fastest F. tallest
A. heaviest
B. largest
C. most beautiful
F. tallest
D. oldest
E. fastest
Emma:
Yaming:
Emma:
Yaming:
Emma:
Yaming:
Emma:
Yaming:
Emma:
Hi, Yaming. What are you doing
Hi, Emma. I’m starting a test on ________________.
Sounds fun. Let’s take it together.
OK. First question. What’s __________ animal in the world
It’s the _________, right
Right. It’s also __________ animal on earth. Next question. Which animal runs _________
Oh wait! I just read about it. The _______ runs the fastest.
Right again! And I think it’s ________________ animal in the world.
I completely agree with you.
animals and plants
the largest
the heaviest
the fastest
the most beautiful
Listen and fill
Conversation 1
blue whale
cheetah
测试
一起做
同意某人
彻底地
agree with sb. 同意某人
Yaming:
Emma:
Yaming:
Emma:
Yaming:
Emma:
Yaming:
Conversation 2
Now let’s answer the questions ______________. What is _____________ plant in the world
Hmm, I’m not sure. Do you have any idea
Well, I think moss is _________________ plants. It appeared on earth around __________ years ago ... Oh, look here. I’m correct!
Interesting! Let’s go on!
Which kind of tree is _______________ in the world
The redwood tree, right
Yes! I hope I can see some one day.
about plants
the oldest
one of the oldest
470 million
the tallest
出现
在地球上
正确的
某一天
go on 继续
Moss is one of the oldest plants on earth.
The blue whale is the largest and heaviest animal on earth.
The redwood tree is the tallest tree in the world.
The cheetah runs the fastest and is the most beautiful animal in the world.
Look and make up sentences
最高级用于 _______者或以上 的人/物比较，表示“最……”的概念。
结构公式：_______ + 形容词/副词最高级 (+ ___________)
三
the
比较范围
old— oldest
fast — fastest
tall —tallest
1.一般情况下，在词尾加-est
large — largest
fine — finest
2.以字母e结尾的词，在词尾加-st
heavy — heaviest
easy — easiest
early — earliest
3.以“辅音字母 + y”结尾的双音节词，先把y改为 i ,再加-est
形容词和副词的最高级的构成
(1) 规则变化
big — biggest
fat — fattest
thin — thinnest
4.重读闭音节词，词尾只有一个辅音字母时，先双写该辅音字母，再加-est
beautiful — most beautiful
interesting — most interesting
delicious — most delicious
5.多音节词和部分双音节词在词前加most
形容词和副词的最高级的构成
(1) 规则变化
原级 比较级 最高级
good / well better
bad / badly worse
many / much more
little less
far farther
further
best
worst
most
least
farthest
furthest
(2) 不规则变化
What’s amazing about the blue whale
Useful expressions
run the fastest
be the largest / heaviest / smallest ...
be the most beautiful / interesting ...
be one of the ... animals / plants
What’s amazing about the ...
It’s the largest / biggest animal in the world.
It’s the ... / It ...
Ask and answer questions about the plants and animals in 1a.
1d
Read the conversations.
Write 3 plants and 3 animals you know well using supernatives.
Homework

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