题型:选择题 The Ming Tombs are ____ the Tianshou Mountains, in the northwest of Beijing. [ ]A. at the foot ofB. in the east of C. in the middle D. in the south of 查看答案
题型:单项选择题 运输既是物质生产部门,同时也是公共服务业,属于第三产业,()性强调了运输业对其劳动对象在价值创造和使用价值实现方面所具有的作用。A.公共服务业B.物质生产C.物质运输D.第三产业 查看答案