外研版九年級(jí)英語(yǔ)上冊(cè)《Will computers be used more than books in the future?》Great inventions PPT精品課件，共16頁(yè)。
Learning Objectives
By the end of the class, we will be able to:
1. get some knowledge of the four great invention in ancient China;
2. get information about how computer changed our lives from listening;
3. describe how an invention have changed our lives.
How did the four great inventions change people’s lives in ancient China?
Paper enabled the creation of lightweight books and it was a better way of keeping records.
Moveable type priting made the books printed faster.
Compass was used for hamonizing people’s lives and environments.
Weapons such as the fire arrow can be made using the gunpowder.
Listen to a conversation about inventions and complete the sentences.
1. Lingling loves her mobile phone because she can _____________.
2. All of Daming’s friends numbers are _______ in his phone.
3. Today’s cameras are better than old cameras because they do not __________ and photos can _______________.
4. Lingling thinks eveything _____________ by computers to some degree, so the computer is _________________ invention.
Find the sentences in the conversation which mean:
1. Changing the subject, can I get the camera?
Anyway, about the camera ...?
2. It is not a problem. I will use another memory card.
That can be fixed. I’ve got an empty memory card.
3. I will do what you tell me to do.
Promise!
Work in pairs. Talk about the advantages of these inventions.
email mobile phone TV washing machine
— We can use email to send messages.
— Yes, we can use email to send messages quickly and cheaply.
Now describe how these inventions have influenced your life.
Email has great influence on my life ...
... ... ...
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