Unit 4 Topic 1 Section B课件+内嵌音视频（仁爱科普版九年级上册）

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Unit 4 Amazing Science
Topic 1 When was it invented？
Section B
By the end of the class, you will be able to
1. Master the following words, phrases and sentences:
Words： bulb, airplane, hard-wearing, Korea
Phrases: be used by, more than, be different from
Sentences：It’s said that he invented more than two thousand things during his life.
2. Use the simple past passive voice:
Do you know when it was invented
It was invented in 1879.
3. Talk about the inventors of some great inventions.
1. 允许某人做某事：
2. 花费……做某事：
花费……在……上：
3. 被用来做某事：
4. 实现,变为现实：
5. 由某地制造：
被某人制作：
有几部分组成：
被制成：
6. 由……制成(看得出原材料)：
由……制成(看不出原材料)：
allow sb to do sth
spend …doing sth
spend …on…
be used to do / for doing sth
come true
be made in +地点
be made by
be made of
be made from
be made up of
be made into
Michael: Look, a light bulb!
Jane: Yeah. It is widely used by people everywhere. Do you know when it
was invented
Michael: It was invented in 1879.
Jane: Who invented it
Michael: Thomas Edison. It’s said that he invented more than two thousand
things during his life.
Jane: What about the radio
Michael: The radio was invented by Guglielmo Marconi in 1895. Jane, let’s go
this way. Look! An airplane, but it’s different from today’s.
Jane: Yes. It was invented by Wilbur and Orville Wright in1903.
1a Look, listen and say.
1a Look, listen and say.
1b Listen to 1a and choose the correct answer.
( ) 1. Where are Michael and Jane
A. In the science museum.
B. At the school library.
C. In the zoo.
D. In the park.
( ) 2. Which object is not mentioned in the conversation
A. Light bulb. B. Airplane. C. Television. D. Radio.
A
C
1c Read 1a and complete the table.
Invention Inventor Year
light bulb
Guglielmo Marconi
1903
Thomas
Edison
1879
radio
1895
airplane
Wilbur and
Orville Wright
1d Discuss with your classmates the inventions listed in 1c. Let them guess which invention you are describing.
You may begin like this:
It is widely used by people everywhere. It was invented in 1879 by Thomas Edison. It’s said that...
2 Fill in the blanks with the proper forms of the given words.
The first jeans were produced in 1855. At that time, they _______________(not call) jeans and they were just hard-wearing pants designed for workers. The pants _____________ (make) of the brown cloth. This kind of cloth ______ usually ________(use) for making tents. Nowadays, their materials have been changed so that it feels more comfortable. And many different jeans styles ______ also ________(create). They _____________ (design) not only for workers but also for teenagers and women. Later jeans are popular all over the world.
were not called
were made
was
are
are designed
used
created
3 Listen to the three passages. Match the pictures with the following information.
Invention
A. Karl Benz
C. Alexander Graham Bell
B. John Baird
Inventor
Year
a.1926
b.1876
c.1885
rocket cotton hospital model
/ / / / / / / /
satellite camera laptop plastic
/ / / / / / / /
4a Read the following words. Listen and check the vowels.
A: 'When was the 'digital camera 'developed
B: It was 'developed in the '1970s.
A: Is the 'digital camera 'developed in 'Korea
B: 'No.
A: 'Where was it 'developed
B: It was 'developed in 'Japan.
4b Listen and read the following sentences aloud, paying attention to the stress and intonation. Then use the words in 4a to make up similar conversations.
1. It is widely used by people everywhere.
它（电灯）在各地被人们广泛使用。
be used by… 意为“被……使用”，by后接人或物（强调使用者 ）
Recorders are often used by English teachers.
2. It’s said that he invented more than two thousand things during his life.
据说他一生中有两千多项发明。
(1) it是形式主语，真正主语是that引导的从句。
It’s said that... 据说……
It is said that you have sent him three letters.
据说你已经给他发了三封信。
类似的结构还有:
It’s reported that... 据报道……
It’s reported that China launched the Shenzhou-16 manned spaceship on May 30.
据报道5月30日，中国发射了神舟16号载人飞船。
2. It’s said that he invented more than two thousand things during his life.
据说他一生中有两千多项发明。
(2) more than = over 超过
(3) during one’s life = in one’s life 在某人的一生当中
Lei Feng did a lot of good things during his life.
雷锋在他一生中做了许多好事。
3. go this way = take/come this way 走这边，相当于
4. be different from 与……不同
My pen is different from yours.
我的笔和你的不同。
根据汉语提示完成句子
1. 在日常生活中，我们都广泛使用手机.
Mobile phones ______ ______ ______ by us in our everyday life.
2. 第一条牛仔裤是在1855年生产出来的。
The first jeans ______ ___________ in 1855.
3. Thomas Edison 在他的一生中发明了2000多件东西.
______ ______ two thousand things ______ ________ ______ Thomas Edison ______ ______ ______.
are widely used
were produced
More than
were invented by
during his life
根据汉语提示完成句子
4. 过去的飞机与现在的不一样.
The airplane in the past ___ ________ _____ today’s.
5. 据说Wright Brothers 发明了飞机.
_____ _____ the airplane _____ _________ by Wright Brothers.
is different from
It’s said
was invented
We learn:
1. Use the simple past passive voice:
Do you know when it was invented
It was invented in 1879.
2. Talk about the inventors of some great inventions.
We can:
1. Some words:
bulb, airplane, hard-wearing, Korea
2. Some phrases:
be used by, more than, be different from
3. Some sentences:
It’s said that he invented more than two thousand things during his life.
1. Read 1a again.
2. Finish Section B in your workbook.
3. Preview Section C.