Nomorebatteries,nomorechargersandnomorewires.Thisisthe ...

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No more batteries, no more chargers and no more wires. This is the 1 promised by “wireless power”, a means of broadcasting 2 through the air to laptops, iPods and other machines without the need for cables and sockets.

Wireless lighting, audio speakers and digital picture frames are expected to be among the first commercial products to be 3 to the public.

Experts believe that wireless electricity will 4 change the way in which we live. In a world without wires your machine would start 5 electricity as soon as you entered the room.

You would no longer have to 6 mobile phones running out of power because once you walked through the front door your mobile would start charging up – even while still in your bag or pocket. You’d never need to hunt for the right 7 again.

The technology works by turning electricity into an invisible laser （激光）, then sends it across the room to a battery that 8 it back into electricity.

Currently the laser can only create enough electricity to power a small light about 10 meters away but experts say both the power and 9 will quickly increase.

The technology also 10 to save energy because it would only power products when needed.

1．A．time B．chance C．future D．case

2．A．lighting B．electricity C．programme D．information

3．A．available B．possible C．reliable D．renewable

4．A．constantly B．instantly C．reasonably D．eventually

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5．A．sending B．receiving C．producing D．operating

6．A．worry about B．look for C．think of D．adapt to

7．A．mobile B．room C．charger D．laser

8．A．translates B．transforms C．confirms D．relates

9．A．cost B．need C．speed D．distance

10．A．continues B．requires C．promises D．limits