A. 518994xxxx B. 广东东升医疗机械公司 C. 广东东升医疗机械公司518994xxxx D. 广东省机械进出口公司512091xxxx
A. organizations B. institutes C. institutions D. foundations
A. not signaling when overtaking. B. following no traffic lights. C. preventing other vehicles from overtaking. D. making holes in the roads on purpose.
A. 正确 B. 错误