单项选择题
Who was the first European to discover Canada?（）
A.John Cabot. B.Jacques Cartier. C.Samuel de Champlain D.Henry Hudson
单项选择题 The name"Canada"is thought to be derived from kanata,an Indian word meaning（）
单项选择题 The Interior Plains lie between（）and（）
单项选择题 The St.Lawrence and（）together form an important transportation network for eastern Canada.
