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  3. What might the house of the future be like? Grace can tell. More formally known as the Microsoft Home, her high-tech devices, al

What might the house of the future be like? Grace can tell. More formally known as the Microsoft Home, her high-tech devices, al

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问题     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【C1】______in design and construction, will change the .【C2】______we think about our homes.
    You enter the house, and Grace’s【C3】______, coming from hidden speakers, passes on your messages. In the kitchen, you set a bag of flour on the intelligently【C4】______stone counter. Grace sees what you’re【C5】______, and projects a list of flour-based food on the counter.【C6】______you choose one, Grace repeats instructions for cooking. She【C7】______knows what’s in the cupboard.
    The day when your house will be like a family member is not that far off. This【C8】______of seamless computing, in which technology is everywhere yet nowhere(【C9】______when we want it) , is emphasized in most future-home thinking.
    Microsoft,【C10】______, isn’t the only one exploring【C11】______technology can make our homes more【C12】______and comfortable. At the Georgia Institute of Technology, scientists are【C13】______systems that will allow older people to continue living【C14】______. So Grandma’s home can be intelligently wired to【C15】______her patterns of wake, sleep and movement; family members would be【C16】______of any changes via computer.
    Does spying on Grandma sound【C17】______? Director Beth Mynatt says "A good bit of our【C18】______has been working on how to convey information without【C19】______privacy. We also don’t want to create【C20】______anxiety. Maybe she just took a quiet day to read, and the system would have to recognize that. "
【C6】
选项 A、Before
B、Once
C、Since
D、Unless
答案B
解析 本题考查连词辨析。before在…之前；once一旦；since自从…以来；unless如果不，除非。根据上下文可知，此处意为一旦选定一种食品，故选B。
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