牛津英語(yǔ)8BC3Adangerousservant

1、A dangerous servant8B chapter 3Electricity lies around us.Electricity is energy!Electricity is energy!brainstormIt can produce sound energy.People can carry it away.We can make a phone call with it.mobile phonecell phoneIt can produce movement energy.Its a kind of device with rotating blades.It can

2、be operated mechanically to create a current of cool air.fanIt can produce light energy.It is a glass part of an electric lamp that gives out light.Thomas Edison invented it.light bulb1 Who do you think the servant is?2 Who is looking foolish at last? Why?Divide the whole passage into several parts.

3、Benny tricks Daisy by asking her to buy a packet of _. Daisy agrees, and Benny thinks she is _.Benny explains that electricity comes through _.And Dad adds that electricity is a _ servant. Daisy returns with some_. Benny is surprised and now it is _ who looks foolish.Mum and Dad Explains that we get

4、 electricity from the _ _ through wires and _. wiremetrestreetcablePower stationmeasureflowcome intoconnectburiedmakeconnectCables are connected to the power station where we make electricity.Some of the ways we can save electricity in our offices and classrooms areTurn off computers (including scre

5、ens), printers at the end of the dayTurn off lights if we will be out of the room Turn off tea makers at the end of the day.At home we canTurn off televisions, computers and other appliances when not in use. Have a shower rather than a bath.Dont leave lights on if they are not needed.Dont leave the kettle open when we boil waterClose the fridge after having taken sth outClose all the windows when we are using air conditioners 2008 PEAK public-interest ad DESIGN CONTEST Love life, remember switch off light.Bright life, warm hear.Light, source of power.Light