Why are the Great Lakes the economic lifeline of the Midwest in the US?
【正确答案】：The Great Lakes provide cheap transportation for this area; besides, the upper lakes region is a land of great natural wealth, and the lower lakes region a land of industries.
微信小程序
微信扫一扫体验
投稿
微信公众账号
微信扫一扫加关注
评论 返回
顶部
发表评论 取消回复