依法必须进行招标的项目的资格预审公告,应当在()部门依法指定的媒介发布。 ["省政府发展改革","省政府建设","国务院发展改革","国务院建设"]
脑DSA检查可将导管置于() ["颈静脉","静脉窦","颈外动脉","椎动脉","椎静脉"]
慢性心脏病患者心力衰竭的最常见诱因是() ["劳累","肺部感染","电解质紊乱","妊娠","心律失常"]
股票的特征有()。 ["是一种债权凭证","是一种权益凭证","领取股息或红利的凭证","是债务人还本付息的凭证","定期取得收益,风险小"]
哮喘发作时的并发症,下列最常见的是(). ["支气管扩张","间质性肺炎","气胸、肺不张","肺纤维化","胸膜肥厚"]
GnRH-α是哪种疗法的用药()口服避孕药属于()无周期性的低雌激素状态()米非司酮作用机制()