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(共51张PPT)
Reading I
Key question
主题范畴：人与自然
Where does water come from
Unit 5 Water is life
Unit objectives
After learning this unit, you can:
understand the usefulness and importance of water.
identify some facts about water in daily life.
explore how to save water and use it wisely.
describe the relationship between water and the
development of the society.
描述水与社会发展之间的关系。
理解水的用途和重要性。
识别出一些日常生活中关于水的事实。
探索如何节约用水和智慧用水。
I am one of the natural elements.（自然元素）
I have no colour,
I have no smell,
I have no taste,
I have no shape,
I am very valuable,
Flowers and trees need me,
You need to drink me every day.
Who am I
Right!
I’m water!
Lead in
Water on the Earth
Water covers 70 percent (70%) of Earth’s surface (表面). There is a lot of water on Earth, but 97 percent is from the sea. We can’t drink it because it’s too salty. About 2 percent of water is in icecaps (冰盖) and icebergs (冰山). People can only use 1 percent of the world’s water.
Water in human body
Like all living tissues (人、动植物细胞的组织), our body contains water in various amounts:
- 75% for a baby
- 70% for one child
- 60% for an adult
Look at the picture and mark some important parts.
clouds
mountains
fall
rivers
rise
trees
Before you read
Where does water come from
Think
Look at the picture and put
the sentences in the correct
order(1—5).
2
5
4
3
Pair work:
Describe the water cycle according to the picture and the sentences.
2
5
4
3
The picture shows the water cycle.
First, the water falls from the clouds as rain.
Then ...
After that ...
Next ...
Finally ...
These words make your sentences more logical.
(1) Where can you find water in your everyday life
(2) What does water look like, and what form does it take
形态
liquid
solid
gas
Who is the girl in the picture
Du Yun.
2. What is she doing
She is brushing her teeth.
3. Who is she talking to
A drop of water. / Dripple.
4. What may the two speakers
talk about
Look at the title and picture and answer the questions.
Pre-reading
Du Yun was in the bathroom. The tap was on. As she brushed her teeth, she thought about going swimming with her friends and ...
“Turn that tap off,” said an angry voice suddenly. “You’re wasting water.”
Du Yun turned the tap off and looked around, but there was no one there. “Who are you ”
“I’m Dripple, and I’m a drop of water. Do you know where I come from ”
“From the tap ” asked Du Yun.
Read the story about the journey of a drop of water.
The journey of a drop of water
“Well, yes, but a few days ago, I was in a cloud,” said Dripple. “Then the wind pushed the cloud up a mountain. When the cloud cooled down, it started raining. I became one of the raindrops.”
“How did you come into my house then, Dripple ”
“I fell into a river and eventually ended up in a reservoir. Then I went to a special place. There, people cleaned me and added some chemicals to me.”
“They cleaned you Why ” Du Yun asked.
“Because I was a bit dirty. Then I travelled through the pipes under the streets and now I’m here,” Dripple explained.
“So is this the end of your journey ” Du Yun asked.
“No. People will clean me one more time. Then I’ll go into a river, and after that, I’ll return into the sea again.”
“Again ”
“Yes. My journey back to the clouds starts there. Remember not to waste or pollute me. I’m valuable.”
“I’m sorry, Dripple!” Du Yun came out of the bathroom and rushed to her study. She wanted to tell her diary about this at once.
1. Where did Dripple talk with Du Yun
A. In the tap. B. In the bathroom. C. In the study.
2. Where did Du Yun think the drop of water came from at first
A. From a cloud. B. From a river. C. From the tap.
3. Where does the journey of the drop of water begin
A. From a tap. B. From the sea. C. From a pipe.
4. What do you think Du Yun learned from their talk
A. Water is valuable. B. We should not waste or pollute water.
C. Both A and B.
5. What did Du Yun do at last
A. She turned the tap off and left the bathroom.
B. She turned the tap on when she left the room.
C. She asked the drop of water to go back to the sea.
Read the passage and choose the best answers.
Fast-reading
Put the sentences in the correct order.
a. Dripple tells Du Yun about its long journey to her house.
b. Du Yun goes back to her study and tells her diary about this.
c. Dripple asks Du Yun to turn the tap off.
d. Du Yun brushes her teeth in the bathroom.
e. Dripple tells Du Yun it’ll go back to the sea again and its journey
starts there.
d
b
e
a
c
Personification
拟人
作者有时会将动物或事物拟人化处理，以使故事更有趣。在这个故事中，水滴像人一样说话，这是英语中的“拟人”手法，有助于作者更容易理解作者的想法。
Careful-reading
ended up in a reservoir
went into a special place and got clean
travelled through the pipes under the streets
got to Du Yun’s home
1. Why was Dripple angry at Du Yun
2. How did Dripple fall down from the cloud
Because the tap was on / she left the tap on.
When the wind pushed the cloud up a mountain, the cloud cooled down. Dripple turned into one of the raindrops. Then it fell down from the cloud.
Read the story again and answer the questions below.
3. What did people do with the water from the reservoir Why did they do so
4. What will happen when Dripple returns to the sea
5. Why did Dripple tell Du Yun not to waste or pollute water
They cleaned it and added some chemicals to it. Because the water is dirty.
From there it will start its journey back to the clouds again.
Because water is valuable.
Let’s watch a video to learn about water cycle!
Post-reading
Post-reading
Can you describe how water gets into your home
1. in a cloud
2. the wind pushes it up a mountain
3. cool down; raining
4. into a river
5. in a reservoir
6. a special place; clean
7. through the pipes
8. into the house
Do you think it is easy or difficult for water to get to your home Why What did you learn from the story Share your ideas with the class.
I think it is easy / difficult for water to get to my home because it first ... Then ...
I learnt that ...
We should / shouldn’t do...
We can / can’t do...
We must / mustn’t do...
Vocabulary practice
1 The words and phrase in italics are from the story on page 69. Choose the correct answers to complete the sentences.
journey
drop
at once
tap
return
2 Complete Du Yun’s diary with the words and the phrase in italics from Exercise 1. Change the form if necessary.
3 Make sentences about the journey of a drop of water with the words and expressions below.
Du Yun was in the bathroom, the tap was on.
Reading II
Key question
主题范畴：人与自然
Where does water come from
Unit 5 Water is life
Use the map to describe
the journey of a drop of water.
Revision
Du Yun’s
Du Yun was in the bathroom. The tap was (1) . Suddenly, an angry voice said, “Turn the tap off. You are (2) water.”
Du Yun looked around, but she didn’t see anyone. “Who said that " Du Yun asked．
The voice answered, “I’m (3) drop of water. Do you know where I come from ” “From the tap ” asked Du Yun.
The water said, “A few days ago, I was in a cloud. Then I (4)_______ into a river and ran into a reservoir. But I was dirty. People cleaned me and added some (5) to me. Then I travelled through the pipes under the streets and now I’m here. But this is not the end of (6) journey. After using me, people will make me clean again. I’ll go into a river and then into the sea again. And I hope you won’t waste or pollute me in the future, because I’m (7) .” After hearing the story of the water, Du Yun turned the tap off
(8) came out of the bathroom.
Complete the passage according to the text.
on
wasting
a
dropped
my
chemicals
valuable
and
Phrases
Find out the phrases from P68 to P71.
1. 流入…… _________________ (P68)
2. 从……升起 _________________ (P68)
3. 成为……落下_________________ (P68)
4. 考虑做某事 _________________ (P69)
5. 关闭某物 _________________ (P69)
6. 四下观望 _________________ (P69)
7. 一滴…… _________________ (P69)
8. 冷却 _________________ (P69)
9. 落入……中 _________________ (P69)
10. 最后到了某地 _________________ (P69)
run into
rise from
fall as
think about doing sth.
turn sth. off
look around
a drop of
cool down
fall down
end up in ...
11. 将……加入……中 _________________ (P69)
12. 有点儿；稍微 _________________ (P69)
13. ……的结尾 _________________ (P69)
14. 再一次 _________________ (P69)
15. 记得不要去做 _________________ (P69)
16. 立即；马上 _________________ (P69)
17. 开始做某事 _________________ (P71)
18. 经过 _________________ (P71)
add ... to ...
a bit
the end of
one more time
remember not to do
at once
start doing sth
travel through
Language points
1. The journey of a drop of water. 一滴水的旅程。
journey n. （尤指长途）旅行
drop n. “滴；水珠”
v. “落下；降下” ，过去时：dropped
如：
①他们乘火车作了一次长途旅行。
They went on a long _________ by train.
② 树叶上有许多水滴。
There are many _______ of water on the leaves.
journey
drops
2. The tap was on. 水龙头开着。
如：
①电源通了。
The power is on.
②电源关了。
The power is off.
on 在本句中为副词，表示已连接，处于工作状态或使用中，其反义词是off。
3. “Turn that tap off,” said an angry voice suddenly.
“把水龙头关掉。”一个声音生气地说道。
如： 离开前请关灯。
Please _________ ___ the lights before you leave.
①turn off = switch off 意为“关掉（煤气、电源或水龙头等）”
turn on =switch on，意为“打开（煤气、 电源或水龙头等）”
turn/switch off
Turn off the tap.
=
Turn the tap off.
it
注意：
当对象是名词时，既可以用turn sth off，也可以用turn off sth；
当对象是代词时，代词只能放在中间，即turn it / them off。
关水龙头。
补充：
表示“打开或关上窗户或门等”要用open和close。
如：
关掉煤气
打开机器
打开它们
关门
打开窗户
turn the gas off
turn on the machine
turn them on
close the door
open the window
三者的用法区别
意义 例句
voice 一般指人的声音。 [ C,U ] ①She has a beautiful voice.
②Keep your voice down.
sound 指自然界的任何声音。[ C,U ] ①That’s a strange sound.
②Sound travels more slowly than light.
noise 常指不悦耳的嘈杂声和噪音。[ C,U ] ①Don’t make a noise!
②They were making too much noise.
②voice n. 嗓音，说话声 其近义词有:sound和noise
选用voice、sound或noise填空。
1. Can you hear the _______ of the rain
2. They like talking with each other in a low _______ in class.
3. Can you keep quiet The _______ will make the baby cry.
4. The _______ from the office sounds like your mother’s.
voice
sound
voice
noise
Practice
4. There, people cleaned me and added some chemicals to me.
在那里，人们把我清洁干净，在我身上加入一些化学成分。
如：请在清水里加点盐。
Please ____ some salt ____ the water.
add…to… 把……加入……
add to
5. Because I was a bit dirty. 因为我有点脏。
如：雨下得有点大。
The rain was ___ ___ heavy.
a bit “有点儿；稍微”，可以用来修饰形容词、副词或动词，表达程度上的轻微或部分。
a bit
6. Remember not to waste or pollute me. I’m valuable.
记住不要浪费我，也不要污染我。我很珍贵。
如：你必须记住不要污染环境。
You must _________ ___ ___ ______ the environment.
remember not to do sth 记得不要（去）做某事
肯定形式为remember to do sth，意为“记得要做某事”
remember not to pollute
1. 选择最佳答案。
( )Remember _____ too much meat.
A. don’t eat B. not eat
C. not to eat D. to not eat
2. 根据中文意思完成句子。
我会记得把书还给你的。
I’ll _________ ____ ______ the book to you.
remember to return
C
Practice
7. Du Yun came out of the bathroom and rushed to her study. She wanted to tell her diary about this at once.
杜云从浴室出来，急忙冲向她的书房。她想立刻在日记里记下这
件事。
如：①铃声一响，孩子们就迅速冲出了教室。
The children _____ ___ __ the classroom as soon as the bell rang.
② 如果有必要，我可以马上来。
If necessary I can come ___ ____.
rush v. “迅速移动”
at once “立刻；马上”
rushed out of
at once
Practice makes perfect!
一、根据下列句子及所给单词的首字母写出所缺单词。
1. Water is important so we should save every d_______ of water.
2. Keep your v_______ down, Peter. Your grandpa is sleeping in the bedroom.
3. The Internet has become part of e life.
4. It was an uncomfortable j back to London.
5. Turn the t off. Don’t waste the water.
6. The doctor said that she can r to work next week.
rop
veryday
ourney
oice
ap
eturn
1. 别关灯，我正在看书。
Don’t ____ ____ the light. I am reading a book.
2. 我忘记给咖啡里加糖了，所以有点苦。
I forgot to ____ sugar ____ the coffee, so it’s a little bitter.
3. 一个警察在萨拉的客厅里发现了一滴血。
A policeman found ___ ____ ___ blood in Sarah’s living room.
4. 记住不要告诉陌生人你的个人信息。
_________ ____ ____ tell strangers your personal information.
5. 不要伤心了。丢了那些钱并不意味着世界末日。
Don’t be sad. Losing that money isn’t ____ ____ ___ the world.
turn off
add to
a drop of
Remember not to
二、根据汉语提示完成句子。
the end of
In this class, we have learned
new words and expressions in this unit.
the detailed information and the structure of the text.
something about water.
some important language points in the text.
Summary
Self-assessment
How well do you know about this lesson Tick the boxes.
I understand the new expressions in the story. 口 口 口
I understand the detailed information about the story. 口 口 口
I know how to retell the passage with key words. 口 口 口
I think I can use all language points correctly. 口 口 口
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