《When was it invented?》PPT课件18

Objectives

To learn to understand and use the passive voice. 

To listen and speak about the history of inventions using passive voice.

To listen and speak about what inventions were used using passive voice.

warming

Do you know what these inventions are? 

Karl Benz   Alexander Bell  J. L. Baird

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1a Look at the things below. In what order do you think they were invented?

Discuss them with your group. Then number them [1–4] (1 = first, 4 = last).

A: I think the TV was invented before the car.

B: Well, I think the TV was invented after the car.

1c Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. 

Then change roles and practice again.

A: When was the telephone invented?

B: I think it was invented in 1876.

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Exercise

单词拼写 

1.I wasn’t _______  (邀请) to the party, so I was angry with him. 

2.To everyone’s _______  (惊奇), the laziest boy won the competition.  

3.He teaches _______ (我) English. 

4.Lesson Five is the ______(容易) of Book III. 

5 The machine was _______(发明) in the 1980s.   

6.He look forward to _______ (成为) a ________(科学家)

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Homework

Make dialogues with your partner. Ask each other about these inventions in the textbook. Find out more information about them.

《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。