Unit 12 Innovation Topic talk 课件(共18张PPT，内镶嵌音频)北师大版（2019）选择性必修第四册

(共18张PPT)
Unit 12 Innovation
Topic Talk
Listen to Dialogue 1.
词汇突破
Pre-listening
2.think outside the book
1. 对......感兴趣
4.gathering device
5.incredible
6.at the moment
7.put into operation
8.get sth done
9.think of
1.be interested in
3.a type of
2. 打破常规思维
3. 一种......
4. 收集装置
5. 难以置信的
6. 现在
7. 投入运行
8. 使......完成
9. 想到，想起
词汇突破
Pre-listening
11.be invented in
10. 花时间做某事
13. in such a short time
14. in the next 50 years
15. be transformed into
16.be curious about
17.take advantage of
18.participate in
10.spend some time on sth
12. be widely used
11. 发明于
12. 广泛使用
13. 在如此短的时间内
14. 未来50年
15. 转化为
16. 对......好奇
17. 利用
18. 参与
Task 1: Listen to the dialogue and then choose the best answer.
1. What is the Susan Li
A. She is a young student. B. She is a young inventor.
C. She is a young professor.
2. What is the function of her invention
A. It can clean plastic and garbage on the ground.
B. It can be used in the ocean.
C. It can help solve water pollution.
3. What is the disadvantage of her invention
A. It is easy to use. B. It is very expensive.
C. It can be put into operation soon.
√
√
√
While-listening
Task 2: Listen again and answer the questions.
1.What characteristics does Susan Li think inventors have
Well, I think inventors ____ __________ ____ understanding the world and how our lives can be ________. They are _________ and ________. I would also say inventors ______ ______ _____ _____. They see the world differently.
are
interested
in
improved
creative
curious
think
outside
the
box
Task 2: Listen again and answer the questions.
2.What do we know about Susan Li’s invention
My invention is ___ ___ ___ plastic and garbage __________ _______ that can be placed into the ocean. It can help solve _____ _______. The biggest ___________ is that it is easy to use.
a
type
of
gathering
device
water
pollution
advantage
3.Are there any problems you are still trying to solve
Yes, it is expensive to produce ____ ____ ________. I hope it will be ____ ____ ________ soon. You are a great _________ ! Thank you for speaking to us!
at
put
the
moment
into
operation
inventor
Task 2: Listen again and answer the questions.
Task3: Listen, choose and underline
Innovation
Inventor’s Interests and Qualities
solving problems,
improving the well-being of human life,
discovering the mysteries of the universe,
understanding the world
how our lives can be improved
creative, curious, smart, persistent, hardworking, gifted
Inventors are interested in
1. _______ and 2. _____.
They are 3. ________ and
4.________.
Task3: Listen, choose and underline
Innovation
My invention is a type of
5. _________.
Types of Inventions
plastic and garbage gathering device
labour-saving machine
energy-saving equipment
environmental protection device,
health-care tool
Task3: Listen, choose and underline
Innovation
The biggest advantage is that it is 6. _________.
Advantages of Inventions
cheap to produce
easy to use
light, small, useful, helpful
convenient, productive,
environment-friendly, fast
Listen to Dialogue 2.
Task 1: Listen to the dialogue and then choose the best answer.
1. What are the speakers doing
A. They are talking about computers.
B. They are doing a school project.
C. They are chatting with friends.
2. What is the relationship between them
A. Classmates. B. Teachers and students. C. Friends.
3. When did the Internet become widely used
In the 1960s. B. In the 1980s. C. In the 1990s.
√
√
√
While-listening
1.Before the invention of the Internet, who mainly used computers
Before the invention of the Internet, only ___________ and other _________ __________ used them.
Task 2: Listen again and answer the questions.
scientists
technical
people
2. Where did people get information before the invention of the Internet
Before the invention of the Internet, people had only TV, ____________ and ________ to get information.
Task 2: Listen again and answer the questions.
newspapers
books
Task 3: Listen again and fill in the blanks with the words you hear.
CY: OK, Chen Xi and Li Zhen, let’s get this project started! Ms Ding asked us to think of 1._____________________ in our everyday life. What do you both think
CX: Right. Well, for me, it would have to be computers. I spend so much time on 2.____________________, playing games, chatting with friends...
L: Computers are a good choice, but it really was 3._________________
_______ that made them useful. Before that, only scientists and other technical people used them. Now, because of 4.__________, there is a
reason for us all to have one.
the most useful invention
my computer studying
the invention of the
the Internet
Internet
Task 3: Listen again and fill in the blanks with the words you hear.
CY：Yes, I agree. The Internet is an amazing invention. Before that, people had only TV, newspapers and books to 5._____________.
CX：And of course before the Internet, you couldn’t chat with friends 6.______ or send and receive emails. Only telephone calls and letters.
L：Wow, so when was the Internet 7.________ Oh wait. Let’s check online!
CY：Hmmmm. OK... It was invented in the 1960s, but it wasn’t widely used until the 1990s.
CX：How life has been 8.___________ in such a short time！Imagine what’s coming in the next 50 years!
online
transformed
invented
get information
THANKS