题目

我国原始社会时期已经用船作为交通工具了。证据： 。途径： 。 答案：半坡遗址中出土了船形彩陶壶历史文物—My mother is ill in hospital now． —          A．Is that all?                                 B．I'm sorry to hear that． C．sorry．                                       D．I hope you'll be better soon．