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(共18张PPT)
九上U4T1A
In your opinion, what’s the best invention
People has invented many things.
Put them in chronological order.
People has invented many things.
Wheels were invented around 3500 BC.
The compass was invented around 200 BC.
The first battery was made in 1799.
Read the facts aloud.
The first photo was taken in 1822.
The road was laid down in 1891.
Antibiotics were discovered in 1929.
World wide web was developed in 1989.
Read the facts aloud.
过去时态的被动语态
谓语动词：was/were + done
Aims
1.To talk about things with passive voice
2.To know some amazing inventions
This is the first car in the world.
This is the first television.
This is the first telephone.
Who were they invented by
When were they invented
Open books to Page84. Listen to the audio and get the answer of activity 3.
3.Listen to the three passages. Match the pictures with the following information.
Invention Inventor Year
A.Karl Benz a.1926
B.John Baird b.1876
C.Alexander c.1885
Graham
Bell
Who were they invented by When were they invented
The first car was invented by Karl Benz in 1885.
The first television was invented by John Baird in 1926.
The first telephone was invented by Alexander Graham Bell in 1876.
1b. Listen to 1a and choose the correct answers.
( )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
Make a report with passive voice according to the table in 1c.
Do exercises to check whether you can use passive voice correctly.
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
used
are
created
are designed
Summary
New words: bulb, airplane, hard-wearing
Korea
Grammar:一般过去时态的被动语态
was/were +过去分词
了解了一些了不起的发明。
1.Recite the dialogue in 1a
2. Finish Section B in the workbook.

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