The Erie Canal was the first important national waterway built in the US. It crossed New York from Buffalo on Lake Erie Troy to Albany on the Hudson River. It joined the Great Lakes with the Atlantic
—Will the foreigners have any problems talking with Chinese in 2008? —I don’t think so. Now _____ the young _____ the old can speak some English. A. either; or B. not o
，由不等式
，
，……，启发我们得到推广结论：
，则
___________。
