更多"[不定项选择题]研究者认为,红茶是抗氧化效果最好的茶。研究者采用体外穴"的相关试题:
[不定项选择题]研究者调查了消费者在一家大型全国连锁商店的消费习惯,以考察回头客除重复购买 外,是否还有其他消费习惯。 他们发现,这些顾客中有非常多的人喜欢退货,或是只在打折时才 来购物。 研究者认为这一发现很有意义,因为过去回头客被认为是对企业有益的,而事实上,他 们对企业有着不好的影响———他们爱退货,或是很少购买原价商品。
最适合做这段文字标题的是:
A.消费习惯影响利润
B.回头客决定商业利润
C.回头客多未必是好事
D.回头客不为人知的消费习惯
[不定项选择题]共用题干
A Doctor in the House
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.______(1)It is one of many gadgets(小装置)proposed by engineers and doctors at the Center for Future Health in New York一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.______(2)In the long run,the technology may even prevent illness by encouraging us to lead healthier lives.
Intelligent bandages(绷带)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.______(3)
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(溃疡)is coming up. All the projects should have far-reaching implications,but the biggest single develop-ment is a melanoma(黑瘤)monitor designed to give early warnings of cancer.______(4)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.______(5)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.
______(2)
A: Experts are also working on a“digital doctor”,complete with a comforting bedside manner.
A.Instead of relying on hi-tech hospitals,the emphasis is shifted to the home and easy- to-use gadgets.
B.The cut could then be treated instantly,so avoiding possible complications.
C.That is going to be the difficult part.
D.The device could be used to take a picture of your body each week,then compare it with previous images.
E.A toothbrush that checks blood sugar and bacteria while you brush is currently in de- velopment in US
F.