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物联网基本架构包括哪三个逻辑层？ A. 感知层; B. 网络层; C. 传输层; D. 应用层;
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【简答题】The fumes which come from millions of cars fill the air with pollutants.
【单选题】Why was Henry Ford able to sell millions of cars?
A.
He produced different models so that people chose what they liked.
B.
Buyers were wealthy enough to buy expensive cars.
C.
He produced the same type of cars in large quantities.
【单选题】That art center is ____ used to be a factory,_____ millions of cars were made．
A.
what; which
B.
where; where
C.
what; where
D.
where; which
【简答题】阅读理解 Each year there is an increasing number of cars as millions of new cars are produced in America. Americans will not live without cars! However, some have realized the serious problem of air pollu...
【单选题】That art centre is______used to be a factory,________millions of cars were made in.
A.
what; which
B.
where；where
C.
what; where
D.
where; which
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