国标舞成为人们建立友谊、陶冶情操、锻炼身体的极好形式,同时,又兼有文化娱乐内涵和体育竞技的特点,以及很强的表演观赏性、技艺性,因此,西文舞蹈界稳定它为()。
参考答案:体育舞蹈
33.Before she______thethe door, she____what had happened to her computer.
A.walked;noticed
B.walked; had noticed
C.walks; has noticed
D.had walked; noticed
对血液净化中心工作人员应定期进行()和()监测。对于乙肝阴性的工作人员建议注射乙肝疫苗。