课型：听说课
一、Read the new words before class
二、Show the studying aims：
1． New words ：
printing, advantage, digital camera,battery,charge,favour,publish,issue,ordinary,age,replace,see to.
2． Can I ask a favor?
It doesn’t matter. I’ll see to that..
Paper and printing have been used for ages.
The battery hasn’t been charged for a couple of months.
It can be read on screen.
