卵巢良性肿瘤的治疗原则为()
A.化学治疗
B.放射治疗
C.手术治疗
D.中药治疗
E.饮食治疗
参考答案:C
Which of the following would be the best title for this passage
A.Childhood Socializers
B.Norms & Role Models
C.Sources of Information
D.Agents of Socialization
变频器产生谐波干扰分为哪几种。