内容正文:
Unit 5 The power of plants
Starting out
&
Understanding ideas
(reading)
What is happening?
The seed is coming out of the soil.
Is it powerful?
Watch and answer
Yes, it is.
Let's explore the amazing world of plants.
What facts about plants do you know?
① Plants are __________,
on land, in the ocean and even in .
② Plants can't speak, but they have surprising _____.
Bamboo can grow centimeters in one day.
③ A lot of _________ comes from plants.
④ We use different plants to make __________.
People grew their own food over years ago.
They can keep us healthy like doctors.
Watch and answer the question.
1
P79
everywhere
power
our food
medicines
space
91
10000
green
1 What are the people doing?
Look at the pictures and answer the questions.
2
P79
She is buying some vegetables.
He is making furniture (家具).
They are weighing (称重量) the traditional Chinese medicine/herbs.
She is drawing a picture of plants.
2 What can plants do for us?
They can provide (提供) ... for us.
food
material
(材料)
medicine
beauty
Do you think plants are amazing? Why or why not?
I think plants are amazing.
Because...
Trees give wood(木材) used in furniture(家具) and paper.
Many important medicines come from plants.
Plants offer(提供) habitats(栖息地) to many animals.
植物还为我们和许多动物提供食物。
许多重要药物来源于植物。
Plants also provide(提供) food for us and many animals.
植物为许多动物提供栖息地。
树木提供用于家具和纸张的木材。
Lead-in
2. Do you know the names of each part?
leaf
stem
root
Plant
leaf
stem
1. What can you see in the picture?
A plant.
root
3. What do plants need to grow?
sunlight
water
soil
Carbon dioxide
Why ?
Lead-in
Photosynthesis
光合作用
What is the function(作用) of Photosynthesis?
What is the process (过程) of photosynthesis?
Why do plants need sunlight and CO2 to grow?
It gives plants energy to grow.
CO2 + water → sugar + O2
/ˌfəʊtəʊˈsɪnθəsɪs/
What can you see in the picture?
What’s the picture about?
Some workers in green uniforms are working.
It’s like a factory, and it has two workshops.
Pre-reading
2. What’s the picture about?
The picture is about photosynthesis.
(光合作用)
It happens within a plant.
Pre-reading
/ˌfəʊtəʊˈsɪnθəsɪs/
sugar
sunlight
water
sunlight
sugar
water
Look at the picture and try to match the words to it.
1
Pre-reading
Fast-reading
Go to work
B. Get off work
D. Products(产品) and uses
E. Work content(内容)
C. The importance of plants
Within a plant
Read the passage and match the main idea with paragraphs.
A. Narrative Essay(记叙文)
B. Expository Essay(说明文)
What type of passage is it?
Within a plant
Skim the passage and answer.
Where can we read this passage?
A. In a newspaper.
B. In a diary.
C. In a science magazine.
D. In an advertisement.
While-reading Fast reading Task 1
Task1 Read para. 1 and answer the questions.
1. When do workers start work in the plant?
At a quarter past seven.
2. Are there any real workers in the plant?
No, there aren’t.
3. Why does the writer use “workers” in the passage?
To make the passage more vivid(生动的) and easier for the readers to understand.
While-reading Careful reading
拟人(personification/pɜːˌsɒnɪfɪˈkeɪʃən/)是一种常见的写作手法,是将人类的特征、情感或行为等赋予非人类(如动物、物体、概念、自然现象等)。拟人能够使文章更加生动形象、主题突出,从而能引起读者更强的共鸣和更深的思考。
sunlight
sugar
water
Read para2-3 and complete.
Sunlight and CO2 come into the 1._____.
Water from the root will 2._______ to the leaf through the stem.
3._______, CO2 and sunlight will turn into 4.______ and oxygen. Oxygen is important to humans -they need it to 5._______.
leaf
rise up
Water
sugar
breathe
Photosynthesis
While-reading Careful reading
/ˌfəʊtəʊˈsɪnθəsɪs/
课本P82 A4
4
Task 4 Read para. 4 and answer the question.
When will the workers take a rest?
They will take a rest at night.
While-reading Careful reading
At night, they only perform respiration(呼吸作用).
Task 5 Read para. 5 and answer the question.
What does the writer think of plants?
They give _________ food and oxygen to people. They are ___________ to animals and people.
more than
important
While-reading Careful reading
a How to make sugar
b How plants work
c Why plants are great
d Going to the green workshop
The passage shows how plants make sugar and oxygen and how different parts of the plant help in this process (过程).
Choose another suitable title and give your reasons.
Post-reading Task 1
The word “plant” has two meanings.
One is about the living things.
The other is about the place the workers work in.
Pun
A pun is a word with more than one meaning. It's a clever way to make the passage more interesting.
What does “plant” mean in the title?
2. In what other ways do plants help the world?
Think & Share
They give food, materials and they help make our world more beautiful.
Post-reading Task 2
Plants are important for the natural world.
We should take action to protect plants!
23
七点一刻 7:15
穿着绿色制服的
n.工作
在每个工厂里
20至100
在白天
根部的工人
把…送上去
上升到…
通过茎
mix...and... 把…和…混合
最重要的是
be useful for sth.
对…有用
植物的生长
另一种产物
对…意义重大
表目的
努力工作
变暗;变黑
= have a rest
休息一下
数百万的
在地球上
超过;不仅
自然界
Thank you
Lavf58.12.100
Lavf58.46.101
Lavf58.12.100
null
85038.38
$