人教版九年级英语上册 《When was it invented?》PPT课件5

《When was it invented?》PPT课件5

Review the expressions and sentences. 

1. 成为奥运会的比赛项目

become an event at the Olympics

2. 把……分开

divide …into…

3. 阻止某人做某事

stop sb. from doing sth.

4. 钦佩；仰慕  

look up to

5. 鼓励某人做某事

encourage sb. to do sth. 

6. 实现他们的梦想

achieve their dreams

... ... ...

1. Complete the passage with the correct forms of the words in the box.

invent, doubt, mention, nearly, website, all of sudden

It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may ______ things which are _______ the same. It’s hard to tell who came up with the idea first. 

2. Rewrite these sentences using the passive voice.

1. Someone stole my watch.

_________________________________

2. They used five eggs to make this big cake.

__________________________________

3. When did they invent the personal computer?

__________________________________

4. They asked us not to run in the hallway. 

__________________________________

5. Someone took the video back to the store. 

__________________________________

... ... ...

Homework

1. 试着向你的朋友用英语讲述篮球的发展过程。

2. 用下列词汇造句子。

look up to, by mistake, daily activities, It is said, all of a sudden, fall into, at the Olympics

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