(共49张PPT)
Unit 5 Water
Period 1 Reading I
牛津深圳·广州版 七年级下
Words: drop, journey, quantity ...
Phrases: add…to…, turn off,…
Learn some language points.
Understand the general idea of the article according to the pictures and key words.
Learning objects
Lead in
Can you guess who I am
I am one of the natural elements.
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.
Right!
I’m water!
How much do you know about me Try the short quiz below.
Lead in
1. You can live without water for a few .
a. hours b. days c. weeks
2. When you exercise, you need ____ water.
a. more b. less c. no
3. Water covers about ____ of the Earth.
a. one third b. one half c. two thirds
4. About ____ of the water on Earth is “fresh” or without salt.
a. 3% b. 10% c. 20%
Lead in
A quiz about water
Water covers 70% of Earth’s surface (表面). There is a lot of water on Earth, but 97% is from the sea. We can’t drink it because it’s too salty. About 2% of water is in icecaps (冰盖) and icebergs (冰山).
People can only use 1% of the
world’s water.
Lead in
Water on Earth
It runs into rivers.
It rises from the sea to the sky.
It runs into the sea.
It falls as rain again.
Water falls from the clouds as rain.
Before you read
Look at the picture below and put the following sentences in the correct order. Write the numbers 1-5 in the boxes.
2
3
4
5
1
Pre-reading
What do you think of me
Water is ___________.
important
useful
…
Pre-reading
Look at the photos, the title of the story on page 59.
Who do you think is talking to the girl
Where is the girl
Pre-reading
Vocabulary
drop n. 滴
A drop of water was about to fall.
The family is going on a journey soon.
journey n. 旅行；旅程
experiment n. 实验；试验
Scientists are doing a new experiment.
I eat a large quantity of food every day.
Vocabulary
quantity n. 数量
salt n. 盐
Adding salt gives the dish more flavor.
Lakes are a common source of fresh water.
Vocabulary
fresh adj. 淡的； 无盐的
voice adj. 嗓音；说话声
Don’t keep the tap on all the time.
Many smart phones have a voice recognition function.
Vocabulary
on adv. (表示已连接、处于工作状态或使用中)
add v. 增加；添加
Add some milk to the bowl.
I accidentally dropped my phone. So hurt!
Vocabulary
drop v. 滴
through prep. 通过；穿过
There are colorful chemicals in the containers.
Vocabulary
chemical n. 化学品
He is running through the wall.
valuable
adj. 宝贵的；很有用的
This pink diamond necklace is the most valuable item in our shop.
There are nine pipes.
Vocabulary
pipe n. 管道
journey
fresh
drop
through
on
valuable
salt
quantity
experiment
add
voice
chemical
Game time
1.If you turn a tap off, the water____from the tap.
a. stops running b. starts running
2.The rain dropped. It____from the sky.
a. fell down b. disappeared
3.When you add some chemicals to water, you____the water.
a. get some chemicals from b. put some chemicals in
Have a go
Circle the correct answers to complete these sentences.
4. If you had a good journey, you .
a. had a wonderful party with your friends at home
b. travelled happily from one place to another
5. Water is valuable. It is .
a. very clean
b. useful and important
Have a go
Complete Dora’s diary below with the words from the box.
added…to journey valuable
dropped turn…off voice
Have a go
12 July
Dear Diary,
I talked to a drop of water today. It was really interesting.
In the morning, I left the tap on in the bathroom. Then I heard an angry(1)______. It told me to(2) ______the tap ______.
voice
turn
off
added…to journey valuable
dropped turn…off voice
It was a drop of water! It told me about its(3) ________. It (4) ________ from a cloud into a river. We could not drink this water because it was dirty, so people had to clean it. They(5) _______some chemicals ____the water to make it clean. Then it travelled to my home.
Water is very(6) ________. People should not waste or pollute it.
journey
dropped
added
to
valuable
Have a go
Reading
Reading
Reading task
Read the text and choose the best answer.
1. How did the drop of water feel at first
A. Angry. B. Happy. C. Sad. D. Nervous.
2. Where did people clean water
A. In the pipe. B. In the river.
C. In the sea. D. In the reservoir.
3. Where does the water begin its journey
A. From the tap. B. From the cloud.
C. From the sea. D. From the reservoir.
4. What does the passage want to tell us
A. The journey of a drop of water.
B. A talk between Dora and water.
C. Turn the tap off in time.
D. Don't waste or pollute water.
Reading task
a. The drop of water tells Dora about its long journey from the cloud to the tap.
b. The drop of water tells Dora that it will go back into the sea again. It also reminds her that water is valuable.
The drop of water tells Dora to turn the tap off.
d. Dora turned off the tap and went out of the bathroom.
e. Dora is brushing her teeth with the tap on.
Work in group. Rearrange the following sentences.
Reading task
1. Who does the drop of water talk to
Dora.
2. What does the drop of water ask the girl to do Why
The drop of water asks Dora to turn the tap off. Because water is valuable.
3. What does the drop of water mainly talk about
How water in the sea comes into our home.
Read the story again, and answer the following questions.
Reading task
Work in group. Fill in the flow chart.
in a cloud
drops as rain into a river
runs into a reservoir
travels through pipes
tap
Reading task
Post Reading
Work in group. You are the drop of water, and use the first person to tell the story of your journey.
Hello, everyone, I am a drop of water. Now I am at Dora’s bathroom. But a few days ago, I was in a cloud. Then I dropped into a river and ran into a reservoir. It was time for people to clean me because I was dirty. They cleaned me and added some chemicals to me. Then I travelled through the pipes under the streets and I came out from the tap. After that, people will make me clean again. Then, I will go into the sea again. My journey starts from the sea.
1. “Turn that tap off,” said an angry voice. 一个愤怒的声音说道：“关掉那个水龙头。”
【用法】turn off 意为“关掉；关闭”，反义词组是turn on,意为“打开”。
【注意】off / on是副词，其后接名词时，名词放在off / on的前后均可，接代词时，必须放在turn和off / on的中间。
The light is a bit too harsh. Please turn it off. 那灯光有点太刺眼，请把它关掉。
It’s time for the news. Please turn on the TV. 新闻时间到了，请打开电视机。
Language points
【拓展】① turn on = switch on，意为 “拧开(电器)；打开(水源、煤气、电源等)”。
Please turn on the radio. 请把收音机打开。
② turn off = switch off，意为 “关掉(电器)；关上(水源、煤气、电源等)”。
Have you turned off the TV 你关电视了吗？
Language points
③ turn up 意为“调高(音量或热度)”。
I turned the volume up. 我把音量调大了。
④ turn down 意为“调低(音量或热度)”。
He kept turning the central heating down. 他不断地调低中央暖气系统的温度。
Language points
【即时训练】 完成句子
(1)你能把电视声音调低一点吗？
Can you __________ __________ the TV a bit
(2)如果你是最后一个离开房间的，请关掉所有的灯。
__________ __________ all the lights if you are the last one to leave the room.
turn
down
Turn
off
Language points
2. Do you know where I come from 你知道我是从哪儿来的吗？
【用法】① 此句含有由where引导的宾语从句，where I come from在整个句子中作宾语，where之后用陈述句语序。
I know where your homework is. 我知道你的作业在哪里。
Can you guess where Tom is going next month 你能猜猜汤姆下个月去哪儿吗
Language points
② where之后有时也可直接接动词不定式，并可与相应的宾语从句互换。
Do you know where we should go next =Do you know where to go next 你知道下一步我们该去哪里吗？
【即时训练】
( )I don’t remember ______ the book yesterday.
A. where did I put B. where I put
C. where I should put D. where should I put
B
Language points
Language points
3. Then it was time for people to clean me. 接下来就到了人们清洁我的时候了。
【用法】 It’s time (for sb) to do sth 是（某人）做某事的时候了。 It’s time to do sth. 相当于 It’s time for sth.
It’s time for us to go to school. 是我们上学的时间了。
It’s time to go to school. = It’s time for school.
【即时训练】 到了学生们在校门口集中的时候了。
______ ______ for students ______ _______ at the school gate.
It’s
time
to gather
4. So is this the end of your journey 那么这就是你整个旅程的终点了吗？
【用法】 the end of……的结尾；……的尽头； end为可数名词，意为“末尾；结局”。
He put his book at the end of the desk.他把书放在桌边。
Could you tell me the end of the film 你可以告诉我这部电影的结局吗？
Language points
【拓展】 end的常用搭配：
① at the end of 意为“在……的后期；在……的末端”，既可以指时间的后期，也可以指位置的末端。
At the end of the road, you can see a bus station.在这条马路的尽头你会看到一个公交站。
② by the end of 意为“在……之前；到……结束时”，只表示时间。
We must finish the work by the end of this week.我们必须在这周前完成这项工作。
Language points
③ in the end 意为“最后；终于”，可与at last，finally互换使用。
In the end, we got to the mountain top.最后，我们到达了山顶。
Language points
【即时训练】根据中文意思完成句子。
1. 最后，他做完作业了。
______ _______ _______, he finished his homework.
2. 你可以告诉我这个故事的结局吗？
Could you tell me _______ _______ ______ the story
the end of
In the end
5. 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。
【用法】 remember not to do sth 记得不要（去）做某事
其肯定形式为remember to do sth，意为“记得要做某事”。
You must remember not to pollute the environment. 你必须记住不要污染环境。
Language points
【即时训练】
1. Remember _____ too much meat.
A. don’t eat B. not eat
C. not to eat D. to not eat
2. 我会记得把书还给你的。
I’ll ___________ _____ ________ the book to you.
remember to return
C
Language points
1. Hey! Lady! You d________ your money on the ground.
2. What a beautiful v________ you have! I’m sure you will be a singer in the future.
3. Believe it or not, of all the water on Earth, only about 3% is f________ water.
4. A________ some sugar to the milk, please.
5. Put some s________ into the soup, please. It is too fresh.
6. In big cities, all the tap water comes to your home through the p________ .
ipes
ropped
oice
resh
dd
alt
Exercise
一、根据句意及首字母写出所缺单词，注意其形式。
( )1. The light were __________ and lit up the room.
A. on B. in C. out D. off
( ) 2. After washing your hands, you should _____ the tap.
A. turn on B. take off
C. turn off D. take on
( ) 3. We should be friendly and never say things in _____ angry voice.
A. a B. an C. the D. /
A
B
B
Exercise
二、选择最佳答案填空。
( ) 4. I am very hungry now. Is it time ____ us ____ lunch
A. of; having B. for; to have
C. of; to have D. for; having
( ) 5. The soup is tasteless. Please add some salt _____ it.
A. in B. on C. at D. to
( ) 6. Remember _______ play with fire. It’s very dangerous.
A. to play B. not to play
C. playing D. not playing
D
B
Exercise
B
Summary
Key words:
drop, journey, quantity, experiment, fresh, salt, on, voice, add, chemical, through, pipe, valuable
Key phrases:
turn off, add…to…, look around, a drop of water, come from, it is time for sb. to do sth., travel through, the end of sth., remember not to do sth., come out of, make sth. + adj.
Homework
1. Recite new words and expressions .
2. Finish the reading exercise paper.
If human beings do not cherish water, the last drop of water we can see will be our own tears!
Reflection
谢谢
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