婴儿正常心率范围是() ["120~140次/分","110~130次/分","100~120次/分","80~100次/分","70~90次/分"]
大体积混凝土施工,为防止出现裂缝等事故,常在混凝土中掺入()。 ["缓凝剂","早强剂","抗冻剂","高标号水泥"]
冠状动脉粥样硬化病变的最常见累及部位是() ["左冠状动脉前降支","左冠状动脉旋支","右冠状动脉主干","左冠状动脉主干","右冠状动脉旋支"]
高渗性脱水见于()。 ["急性腹泻","剧烈呕吐","大面积烧伤","高热大量出汗"]
针对完美型顾客的投诉,处理的技巧是()。 ["充分同情和理解,关注感情,耐心解释","分清责任,不拖延推诿","少插话,低调处理、不斗气","让顾客尽情发泄"]
分析《红旗谱》的艺术特色