《When was it invented?》SectionB PPT
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《When was it invented?》SectionB PPT
第一部分内容：Review
I. Choose the right answer. You can do it.
( )1.He ___play computer games unless he finished his homework.
A. was allowed to B. was not allowed to C. allow to
( )2.We all know that paper ___wood.
A. is made of B. is made into C. is made from
( )3.This kind of machine ___in 2006.
A. is invented B. is made C. was invented
( )4.A(An)___is used for taking photos.
A .Camera B. Lift C. MP3 player
( )5 .We should spend more time ___because it’s too important.
A .to learn English B. learning English C. in English
II. Fill in the blanks with the right preposition.
1.The desk is made _____ wood.
2.The red wine is made _____ grapes.
3.This delicious cake was made ___my mother.
4.Glasses are made ___ glass.
5.Our group is made up ___ four students.
6.That kind of machine is made _____Japan.
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《When was it invented?》PPT，第二部分内容：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.
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.
... ... ...
《When was it invented?》PPT，第三部分内容：Exercises
1.The light bulb is w______ used by people everywhere.
2.Thomas Edison i_______ the light bulb in 1879.
3.It’s s______ that he invented more than two thousand things during his life.
4.The airplane was invented by Wilbur and Orville Wright in 1903. It’s d______ from today’s.
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《When was it invented?》PPT，第四部分内容：Summary
We learn: 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.
We can: 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.
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《When was it invented?》PPT，第五部分内容：Assignment
Read 1a.
Memorize the useful expressions and key sentences that we learn today.
Finish Section B in your workbook.
Preview Section C.
《When was it invented?》SectionD MP3音频课件 文件内包含本课教学使用的MP3音频文件，非常适用于本课教学。
《When was it invented?》SectionC MP3音频课件 文件内包含本课教学使用的MP3音频文件，非常适用于本课教学。
《When was it invented?》SectionB MP3音频课件 文件内包含本课教学使用的MP3音频文件，非常适用于本课教学。
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