最早的哲学所关注的是（）
A、普遍的联系
B、古代文明
C、普遍的知识
D、自然
参考答案：C
She is going to take _______lessons because she wants to be an actress. [ ]
A. music
B. dancing
C. acting
D. basketball
当介质工作压力超过10MPa时，接口处必须另加保护外套。
