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师梦圆初中英语教材同步人教版九年级全一册Section A Grammar focus 4a—4c下载详情
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内容预览

printing

印刷术

gunpowder

火 药

Do you know the following inventions?

Who invented them?

When were they invented?

Telephone Bellin 1876

What is it?

Who invented them?

When were they invented?

Iphone8 Apple in 2017.9

What is it?

Who invented them?

When were they invented?

paper

Cai Lun

printing

Bi Sheng

What is it?

Who invented them?

When were they invented?

Like a dream

LuHan

2017.09

What is it?

Who invented them?

When were they invented?

compass

11th Century

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