人教版九年级英语上册 《When was it invented?》PPT课件12

《When was it invented?》PPT课件12

Lead in 

Talk about the inventions.

How many different  kinds of  inventions do you know?

Can you give some examples?

Listen and circle “T” (for true) or “F” (for false).

1. Potato chips were invented by mistake.

2. They were invented in 1863.

3. The customer thought the potatoes were not thin enough.

4. The customer said they were not salty enough.

5. George wanted to make the customer happy.

6. The customer was happy in the end.

... ... ...

Pairwork

Do you like basketball?

Do you watch basketball  games?

What do you think of this sport?

Do you know when basketball was invented?

And do you know how it was invented?

Discuss the sport with your partner and share your ideas with the class.

... ... ...

It is believed that the first basketball game in history was played on December 21，1891.

人们认为历史上第一场篮球赛是在1891年12月21日。

It is believed that ...意为“人们认为······”，是固定句型，其中it为形式主语，真正的主语为that引导的从句。其他常见类似的句型还有：

It is said that...据说……

It is supposed that...据猜测……

2d Use what you remember from the mind-map to answer the following questions.

1. Who invented basketball and how is it played?

James Naismith.  

Players on the same team must work together to get the ball in the other team’s basket. At the same time, they need to stop the competing  team from getting the ball into their own basket.

2. When was the first basketball game in history played? 

On December 21, 1891.

3. Why were  the Berlin Olympics important for basketball? 

In 1936 in Berlin, basketball became an Olympic event.

4. What are the professional basketball groups in America and China?

America: NBA  China: CBA.

5. How popular is basketball? 

Today, the popularity of basketball has risen around the world, with many young people dreaming of becoming famous players. 

... ... ...

Homework

Choose an invention and do research on it. Make a mind-map of the information you find.Then give a report to class.

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