A．away

　　B．down

　　C．off

　　D．on，I didn't get promoted.________！ There will be loads of other opportunities.All right

　　14．________ in the cage for half a day，the bird became hungry.________ good terms ________ Mary and she is my good friend.

　　A．on；/

　　B．/；with

　　C．on；with

　　D．with；on阅读理解 Do you wish you could invent something new? Here we look at a few British inventions of recent times.

　　Adaptive glasses

　　Do you wear glasses? If so，can you imagine life without them? In 1985，Joshua Silver，a professor at Oxford University，asked himself，“Can I invent a pair of glasses that could be changed by the wearer？”He designed two plastic lenses(透镜) that are filled with a special liquid.Using syringes(注射器) you change the liquid between the lenses until you can see clearly.The glasses are not beautiful but they are easy to use and cheap to make.，think about all those people without electricity.Thinking about this，Trevor Baylis came up with the idea of designing a radio that could be powered by hand.In common with Joshua Silver he wanted his invention to be cheap and easy to use.He wanted even the poorest people in developing countries，who don't have electricity and cannot afford batteries，to use it.The radio has a generator(发电机) which is powered by turning a handle.In 1996 it won the BBC Design Award for Best Product and Best Design.(真空) cleanerich uses something called “cyclonic，separation” to separate the dirt.You do not need a bag for your cleaner and it does not get blocked so it is very practical.The idea came to Sir James Dyson after he kept having problems with his vacuum cleaner.He decided he could design a better one and in 1993 he opened his own factory.The Dyson is now one of the bestselling cleaners in the UK and Dyson is believed to have earned over a billion pounds.

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