问题 判断题

对表面进行喷丸或冷挤压处理的目的是抗磨。

答案

参考答案:错

问答题

“丝绸之路”是我国古代重要的民族往来和对外交往通道。据此回答下列问题:   

(1)西汉时期两次出使西域,为丝绸之路的开辟作出重要贡献的是谁?   

                                                                                                                                                           

(2)请你简述汉朝陆上“丝绸之路”的主要路程。  

                                                                                                                                                           

(3)古代不同民族间的交往的主要形式有哪两种?现代文明交往中我们应持怎样的态度?

                                                                                                                                                           

                                                                                                                                                            

单项选择题