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Brushing your teeth twice a day should keep the dentist away.But if a group of scientific researchers have their wish, it will make the rest of your body healthy too.(46) ________ It is one of many gadgets(小裝置) proposed by engineers and doctors at the Center for Future Health in New York— others include a pair of glasses that help to jog your memory, and a home camera designed to check for cancer.

The devices seem fanciful, but the basic principles are simple.The gadgets should make it easy for people to detect illness long before it strikes and so seek treatment far earlier than normal.(47) ________ In the long run, the technology may even prevent illness by encouraging us to lead healthier lives.

Intelligent bandages(繃帶) are a good example.Powerful sensors within the bandage could quickly Identify tiny amounts of bacteria in a wound and determine which antibiotics(抗生素) would work best.(48) ________

Socks are long overdue for a makeover.In the future they will be able to automatically detect the amount of pressure in your foot and alert you when an ulcer(潰瘍) is coming up.

All the projects should have far-reaching implications, but the biggest single development is a melanoma(黑瘤) monitor designed to give early warnings of cancer.(49)________ If a problem is found, the system would advise you to get a check-up at your doctor’s surgery.

If all this sounds troublesome, then help is at hand.(50)________ A standard computer would be able to understand your voice and answer questions about your symptoms in plain English and in a way which would calm your nerves.

A.The device could be used to take a picture of your body each week, then compare it with previous images.

B.That is going to be the difficult part.

C.The cut could then be treated instantly, so avoiding possible complications.

D.Instead of relying on hi- tech hospitals, the emphasis is shifted to the home and easy-to-use gadgets.

E.Experts are also working on a ‘digital doctor’, complete with a comforting bedside manner.

F.A toothbrush that checks blood sugar and bacteria while you brush is currently in development in the USA.

參考答案：46.F 47.E 48.C 49.A 50.D