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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 B 1a—1e下载详情
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compass

指南针

printing

印刷术

gunpowder

火 药

造纸术

印刷术

car

What’s this called in English?

television

telephone

computer

light bulb

battery

Look at the things. In what order do you

think they were invented?

A: I think the calculator was invented before the computer.

B: Well, I think the calculator was invented after the computer.

The car was invented before the TV set.

A: I think … was invented before …

B: Well, I think … was invented after ….

The telephone was invented

before the TV set.

A: I think … was invented before …

B: Well, I think … was invented after ….

The telephone was invented before

the computer.

A: I think … was invented before …

B: Well, I think … was invented after ….

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