问题 单项选择题

高速CAN总线的通信速度是()

A.125Kb/s

B.250Kb/s

C.500Kb/s

答案

参考答案:C

材料题

       材料:近代中国老百姓使用的日常生活用品有许多是从外国进口的,因此有许多东西都带有一个“洋”字,当然有些日用品我国也能生产,人们一向把国产的东西称为“国货”。“提倡国货,抵制洋货”也是近代中国人民反帝斗争的重要内容之一。

请回答:

(1)为什么近代中国市场上的“洋货”很多?

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                             

(2)你能举出带“洋”字物品的实例吗?

                                                                                                                                                             

                                                                                                                                                             

单项选择题