单项选择题

What might the house of the future be like Grace "can tell. More formally known as the Microsoft Home, her high-tech devices, along with (1) in design and construction, will change the (2) we think about our homes.
You enter the house, and Grace’s (3) , coming from hidden speakers, passes on your messages. In the kitchen, you set a bag of flour on the intelligently (4) stone counter. Grace sees what you’re (5) , and projects a list of flour-based food on the counter. (6) you choose one, Grace repeats instructions for cooking. She (7) knows what’s in the cupboard.
The day when your house will be like a family member is not that far off. This (8) of seamless computing, in which technology is everywhere yet nowhere ( 9) when we want it), is emphasized in most future-home thinking.
Microsoft, (10) , isn’t the only one exploring (11) technology can make our homes more (12) and comfortable. At the Georgia Institute of Technology, scientists are (13) systems that will allow older people to continue living (14) . So Grandma’s home can be intelligently wired to (15) her patterns of wake, sleep and movement; family members would be (16) of any changes via computer.
Does spying on Grandma sound (17) Director Beth Mynatt says "A good bit of our (18) has been working on how to convey information without (19) privacy. We also don’t want to create (20) anxiety. Maybe she just took a quiet day to read, and the system would have to recognize that.
 

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