【简答题】A.North Carolina. B.South Carolina. C.Virginia. D.Georgia.
【单选题】Which state laid claim to the largest land-holdings?
【单选题】Which state laid claim to the largest lan&holdings?
【简答题】简述 zigbee 无线传感器网络拓扑结构有哪几种?各有什么特点( 优/缺点 )?
【单选题】Goods and services are less ______ in North Carolina and Mississippi than they are in other parts of the country.