1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
papermaking
the Four Great Inventions of ancient China
They have been truely powerful in human history.
What inventions can be seen in our classroom?
It’s mainly written in English.
textbook
162 pages
desk
thousands of desks
What other important inventions
can you think of?
memory card
It’s commonly used.
three commonly used electronic inventions
modern technology
electronic inventions
What can they be used for in our daily life?
What can a computer be used for?
send or receive mails
It can be used for …
properly
look through the websites
take photos and put them up
What can a phone be used for?
It can be used for …
properly
What can a camera be used for?
It can be used for …
take notes of the important moments
instructions