==================资料简介======================
unit6 When was it invented :29张PPT
Papermaking
Printing
Gunpowder
Compass
It can be used for working or studying.
It looks like a TV, but it isn’t a TV.
computer
It never asks questions, but we always answer it.
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压缩包内容：
0001.我乐网-新奇发明 微创意 乐生活.wmv
1b.mp3
2A好.mp3
Bandari - Snowdreams.mp3
unit6 When was it invented 北中初中部.pptx
Westlife - My Love.mp3
开头.wmv
波司登修改2.wmv
背景音乐 - 电台感人背景音乐 - 纯音乐.mp3
贝尔发明电话.wmv
