外研版九年级英语上册《Will books be replaced by the Internet?》Great inventions PPT优质课件，共39页。
New words and expressions
printing n. 印刷
development n. 进步, 发展
trade n. 买卖；交易
spread v. 扩展；蔓延；传播
connection n. 电话连接；计算机网络连接
Watch the flash and answer the questions.
1. What does his mother do at home every evening?
She looks through magazines.
2. When was paper first created?
About 2,000 years ago.
Summarize the key phrases.
浏览杂志 look through the magazines
结果 as a result
每次，一次 at a time
用手，靠手做 by hand
在某种程度上 in a way
把…比作… compare…to…
大量的 a large amount of
多种多样的形式 varied forms
让我们等着瞧。Let’s wait and see.
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