Unit 4 Topic 1 When was it invented? Section A- 精品课件+嵌入音频(共42张PPT)

(共42张PPT)
is spoken by
She speaks Chinese.
is spoken by
He speaks English.
English
English.
He
him.
Chinese
Chinese.
She
her.
被动语态 (Passive Voice ) be + done
主动语态： 主语 + 动词 + 宾语
被动语态： 主语 + be + 过去分词 + by + 宾语
Review
Many people use computers
in different fields.
Computers _____ ________
by _______ _________ in different fields.
The students plant trees on the hill.
Trees _____ _______ on the
hill ____ the students.
are used
many people
are planted
by
Review
1. The Great Wall _____ by many visitors every year.
A. is visited B. are visited C. was visited
现学现用
先观语态再观时态
A
2. —Could you tell me when the radio _____ —In 1895.
A. invents B. invented C. was invented
D
every year
In 1895
一般现在时被动语态的结构：am/is/are + done
一般过去时被动语态的结构：was/were + done
3. Many trees and flowers _____ in our school last year.
A. have planted B. were planted C. are planted
B
last year
Pre-listening
New words & expressions
What is the rocket made of
It is made of metal.
由......制成
/ r k t/
n. 火箭
/ metl/
n. 金属
What is a rocket used for
被用来......
It's used for sending satellites or spaceships into space.
发射......进入
/ s t la t/
n. 卫星
/ spe s p/
n. 宇宙飞船
A: What’s the lock made of
B: It’s made of metal.
A: What’s it used for
B: It’s used for locking the door.
It's used ____ _____ the door.
/ l k/
n. 锁；
v. （用锁）锁上
n. 锁
v. 锁上
to lock
be used for doing sth.
= be used to do sth.
被用来做某事
Watch a video
How to launch things into space
Laptops are used for working by many people .
/ l pt p/
n. 手提电脑
lap n.大腿部 + top n.顶
These are all digital products.
digital cameras
/ d d tl/
adj. 数码的，数字的
While-listening
Does Kangkang know a lot about spaceships
Task1: Listen to 1a and choose the best answers .
1. How does Jane feel
A. happy B. unhappy C. excited
2. Who made a model rocket
A. Jane B. Kangkang C. Mr. Brown
3. Does Kangkang know a lot about spaceships
A. Yes, he does.
B. No, he doesn't.
C. We don't know that.
Jane, why are you unhappy
It was made by me.
I’ve learned a lot about spaceships from Mr. Brown.
1.Jane is unhappy because she was not allowed to go to a party last night.
( )
2. Kangkang's father made a model rocket for him. ( )
3.The rocket is made of metal. ( )
4.A rocket is used for sending satellites or spaceships into space. ( )
Task 2 : listen again and mark T(True) or F（False).
1b
F
F
T
T
be allowed to do sth. 被允许做某事
Task 3: Read 1a and answer the following questions.
1. Why did Kankang ask Jane not to spend too much time on computer games
2. What’s a rocket used for
3. Who taught Kangkang some knowledge about spaeships
4.What’s Kangkang’s dream
Because it’s bad for her health.
1c
It's used for sending satellites or spaceships into space.
Mr. Brown.
His dream is to go into space some day.
= spend ...in doing sth.
too tired
headache
sore eyes
Kangkang: Jane, why are you unhappy
Jane: Because I was not allowed to play computer games last night.
Kangkang: It's bad for your health if you spend too much time on them.
Jane: Maybe you're right.
(Kangkang shows a model to Jane.)
1a
Listen, look and say.
maybe = perhaps 也许，大概
show sth. to sb. = show sb. sth.给某人看某物
be bad for
= be harmful to
do harm to
“对......有害处”
Kangkang: Look at this.
Jane : A model rocket. Who made it
Kangkang: It was made by me.
Jane : Wow! What's it made of
Kangkang: It's made of metal. Do you know what a rocket is used for
Jane : Sure. It's used for sending satellites or spaceships into space.
1a
Listen, look and say.
be made by sb. 由某人制成
be made of 由......制成（看得出原材料）
be used for 被用来
send... into... 发射......进入
Kangkang: You're right. I've learned a lot about spaceships
from Mr. Brown and then I made this model rocket.
I wish I could go into space some day.
Jane : I hope your dream will come true.
1a
Listen, look and say.
learn... from... 向......学习......
some day （将来）有一天
"梦想"(作主语) + come true “实现” (无被动）
“人”(作主语) + realize/achieve “实现”+ "梦想"(有被动）
I hope you will _________________ your dream.
I'm sure your dream will ___________.
You will make your dream __________.
realize/achieve
come true
come true
Task 4: Read 1a carefully and fill in the blanks.
Jane was unhappy because she was not ______ to play computer games last night. Kangkang thinks that it's bad for her health if she ______ too much time ______ them. Then he shows a model ______ to Jane. It's made of ______ and used for sending ________ or __________ into space.
Kangkang has______ a lot about spaceships ______Mr. Brown. He wishes he could go into space ______ ______ . Jane hopes his dream will _____ _____.
allowed
spends
on
rocket
metal
satellites
spaceships
learnt
from
some day
come true
Task 5: Find out the key phrases from the dialogue.
1. （不）被允许做某事
2. 太多（修饰不可数名词）
3. 对......有害
4. 花时间/钱在某事上
5. 给某人看某物
6. 由......制成（看得出原材料）
7. 被用来
8. 发射......进入......
9. 向......学习......
10. 实现，成真
be (not) allowed to do sth.
too much
be bad for
spend... on sth.= spend ...(in) doing sth.
show sth. to sb.= show sb. sth.
be made of
be used for
send...into...
learn...from...
come true
Post-listening
A: What’s the lock made of
B: It’s made of metal.
A: What’s it used for
B: It’s used for locking the door.
Follow the example to make up similar conversations.
lock/metal
2
be made of “由......制成” (看得出原材料）
be made from “由......制成” (看不出原材料）
A: What’s the paper made from
B: It’s made from wood.
A: What’s it used for
B: It’s used for writing on.
paper/wood
A: What’s the computer desk made of
B: It’s made of wood.
A: What’s it used for
B: It’s used for putting computers.
Follow the example to make up similar conversations.
2
computer desk
/wood
chopsticks/bamboo
A: What are the chopsticks made of
B:They’re made of bamboo.
A: What are they used for
B: They’re used for eating.
A: What’s the sweater made from
B: It’s made from cotton.
A: What’s it used for
B: It’s used for keeping warm.
Follow the example to make up similar conversations.
2
A: What is the watch made of
B:It’s made of metal.
A: What is it used for
B: It’s used for telling time.
sweater /cotton
watch/metal
A. Listen to the conversations and number the following pictures.
3a
What are the other inventions
What are they made of
What are they used for
When and where were they developed
2
3
1
B. Listen again and complete the table.
3a
Invention Item laptop cell phone digital camera
Material
Usage
Year
country
plastic
plastic
metal and plastic
study, work and play
communicate
take photos
around 1985
1973
around 1975
Japan
America
America
It is a great invention . It's made of plastic . It is used for taking photos and playing games . We can also use it to communicate with our friends by QQ, WeChat, E-mail and so on. It is very useful for our daily life. It was developed in America in 1973. But as students , we are not allowed to use it . What is it
Can you guess what it is
Work in pairs. Ask and answer questions based on the table in 3a with passive voice.
3b
A: What is a laptop made of
B: It is made of plastic.
A: What’s it used for
B: It is used for studying.
A: When and where was it developed
B: It was developed in Japan in 1985.
Example:
Focus on the meaning in communication. Don’t be afraid of making mistakes.
Language points
一般过去时的被动语态
结构:助动词(was/were)+及物动词的过去分词
1.肯定句式 ：主语 + was /were + v.-ed
2.否定句式 ：主语+ was/were + not + v.-ed
3.一般疑问句式： Was /Were + 主语 + vt.-ed
4.特殊疑问句式：疑问词W/H + was/were +主语 + v.-ed
eg. An e-mail was sent to her friend by Linda yesterday.
An e-mail wasn’t sent to her friend by Jane yesterday.
Was an e-mail sent to her friend by Linda yesterday
Who was the e-mail sent to by Linda yesterday
Let’s sum up together.
Language points
1. Because I was not allowed to play computer games last night.
因为昨晚我不被允许玩电脑游戏。
考点：
（1）allow doing sth. “允许做某事”
eg. We don’t allow smoking in the hospital.
（2）allow sb. to do sth. “允许某人做某事”
eg. Our school doesn’t allow the students to swim alone in the river.
（3）sb. be allowed to do sth. “被允许做某事”
eg. Teenagers aren’t allowed to go into net bars. 网吧
及时练习1：
1. —Why are you unhappy —Because I was not ________ (允许）to play phone games last night.
2. —My parents don’t allow me _________ (play) computer games at school.
—That’s right. They are bad for your study.
Language points
allowed
to play
back
2. It’s bad for your health if you spend too much time on them.
如果你花太多的时间在上面（电脑游戏）会危害你的健康的。
考点：
（1） be bad for = be harmful to = do harm to “对......有害处”
eg. Watching TV too much is bad for your eyes.
= Watching TV too much does harm to your eyes.
= Watching TV too much is harmful to your eyes.
（2）too much + 不可数名词 “太多” eg. too much time/money
too many + 可数名词 “太多” eg. too many people
much too + adj./adv. “太” eg. I feel much too tired.
Language points
back
2. It’s bad for your health if you spend too much time on them.
如果你花太多的时间在上面（电脑游戏）会危害你的健康的。
考点：
（3）四个“花费”
①pay: sb. + pay(pays/paid) money for sth. “某人为某物付账”（人作主语）
eg. I paid 100 yuan for the nice dress yesterday.
②cost: sth. + cost(costs/cost) sb. money “某物花费某人......钱”（物作主语）
eg. The red coat cost me 168 yuan.
③take: It +take(takes/took) time to do sth. “某人花时间做某事”（it作形式主语） eg. It took Mike three hours to finish his homework last night.
④ spend: sb. + spend(spends/spent) time/money on sth. “某人在某物/某事上花时间/钱”（人作主语）
spend: sb. + spend(spends/spent) time/money (in) doing sth. “某人花时间/钱做某事”（人作主语）
Language points
back
及时练习2:
1. It _____ your health if you spend too much time on computer games.
A. do bad for B. is harm to C. do harm to D. is harmful to
2. —Oh, Jack. You’re _____ heavy now. You’d better pay more attention to
your health.
—OK, thanks. I used to eat _____ meat, but now I will eat more vegetables.
A. much too; too much B. much too; much too
C.too much; too much D. too much; much too
3. —How is Kate getting along with her study
—Not very well. She spends too much time _____ herself, not on her study.
A. dresses B. dressing C. to dress D. on dressing
4. The book _____ me 50 yuan.
A. spent B. cost C. took D. paid
5. He spent 7,000 yuan in buying the iPhone 15. （改为同义句）
The iPhone 15 _____ him 7,000 yuan. = He _____ 7,000 yuan for the iPhone15.
D
A
B
B
cost
paid
back
3. What’s it made of 它是用什么做的？
考点：
（1）be made of “由......制成”（看得出原材料）
eg. The desks are made of wood.
（2）be made from “由......制成”（看不出原材料）
eg. The red wine is made from the grapes.
（3）be made up of “由......组成”（个体组成整体）
eg. Our class is made up of 30 boys and 20 girls.
（4）be made in “在......制造”（后跟产地）
eg. China is made in China. 瓷器出产于中国。
（5）be made by “由某人制成”
eg. The model rocket is made by Kangkang.
（6）be made into sth. “被制成某物”
eg. Wood was mad into many boxes.
（7）be made to do sth.“被迫做某事”
eg. Many young children were made to work in the factory in the old days.
Language points
back
及时练习3：用适当的介词填空。
1. Books are made ______ paper.
2. Paper is made ______ wood.
3. The nice skirt is made ______ silk.
4. I will never buy the cars made ______ Japan.
5. The delicious cake was made ______ my mother ______ Beijing.
6. Plastic can be made ______ many useful things in our daily life.
7. Students are always made ______ do too much homework every day.
8. —Mom, this card was made ______ you ______ myself.
—Thank you, my dear.
of
from
of
in
by
in
into
to
for
by
back
4. Do you know what a rocket is used for
你知道火箭是用来做什么的吗？
考点：
（1）be used for doing sth. = be used to do sth. “被用来做某事”
eg. Teapot is used for making tea. = Teapot is used to make tea.
（2）be used as “被当作......用”
eg. Chinese is used as mother language in China.
（3）be used by sb. “被谁所用”
eg. The table was used by Chairman Mao.
链接：be used to doing sth. “习惯于做某事 ”
used to do sth. “过去常常做某事”
eg. He used to take a bus to school, but now he is used to riding a bike to school.
Language points
back
及时练习4：
1. A toothbrush is used for ________ (brush) teeth. At times, it’s used to _______ (wash) shoes.
2. —What’s this in English
—A rocket. It’s used for _____ satellites or spaceships _____ space.
A. send; into B. sending; onto C. sending; into D. send; onto
3. Now my grandparents are used to _____ after dinner, but they used to _____ TV at home.
A. walk; watch B. walking; watching
C. walk; watching D. walking; watch
brushing
wash
C
D
back
5. I wish I could go into space some day.
我梦想有一天能飞向太空。
考点：
（1）wish “希望，想要”，常有以下几种用法：
① wish+that从句 “希望（不太可能的事）发生，怀着（不大可能的）愿望。
eg. I wish I were a bird.
② wish to do sth. “想做某事”
eg. I wish to go home for Spring Festival.
③ wish sb. to do sth. “希望某人做某事”
eg. I wish you to come here on time tomorrow.
④ wish + n. “祝愿”
eg. I wish you good luck.
Language points
back
5. I wish I could go into space some day. I hope your dream will come true.
我梦想有一天能飞向太空。 我希望你梦想成真。
考点：
（2）hope “希望”，常有以下几种用法：
① hope+that从句 表示能够实现的愿望。
eg. I hope that I can pass the exam.
② hope to do sth. “希望做某事”
eg. I hope to pass the exam. 注意：没有hope sb. to do sth.这种用法。
及时练习5：
1. I _____ improve your English by doing like this.
A.hope you to B. hope you can C. hope that D. hope to
2. —Our class will play football against Class Four next week. —______.
A.I hope so B. I wish that
C. Wish you success D. Wish you r successful
Language points
B
C
back
summary
We learn:
1.Some words: lock, rocket, metal, satellite, spaceship
2. Some phrases: be made of, be used of, some day, come true
3. Some sentences:
(1) I wish I could go into space some day.
(2) I hope your dream will come true.
(3) -What is a rocket used for
-It’s used for sending satellites or
spaceships into space.
We can:
Use the passive voice.
Homework
Read 1a.
Memorize the useful expressions and key sentences which we learn today.
Finish Section A in your workbook.
Preview Section B.
Thank you!