中熔铸造包埋材料中与凝固膨胀有关的成分是() ["石英","石膏","硼酸","磷酸盐"]
一般角膜伤口长度在()mm以下可不缝合 ["2","5","3","1","4"]
女性,70岁,头晕10年,血压180/90mmHg,心率75次/分,心电图示一度房室传导阻滞,治疗宜用() ["地尔硫
","维拉帕米","美托洛尔","普萘洛尔","卡托普利"]
男,33岁。患者因上消化道大出血入院,经治疗病情稳定,出血停止,为明确出血原因,首选的检查是() ["纤维胃镜检查","B超检查","肝功能化验","选择性腹腔动脉造影","钡餐透视"]
引起成人眼球突出最常见的原因是() ["眶内肿瘤","视网膜母细胞瘤","甲状腺相关性眼病","眶蜂窝织炎","外伤"]
从人治到法治、从专制到民主,彰显了人类社会的文明与进步,是近代社会政治发展的必然选择。据此回答下列问题: