虚喘的治疗要点是()。 ["补肺","健脾","纳肾","益气","养阴"]
L型细菌缺失哪一种结构()。 ["细胞质","细胞膜","细胞核质","细胞壁","核糖体"]
关于细菌细胞结构叙述错误的是()。 ["细胞壁均有肽聚糖","有70S核糖体","核有完整的核膜和核仁","L型细菌无细胞壁","中介体多见于G+菌"]
有效成分(Effective Constituents)
咖啡因在苯甲酸钠的存在下溶解度由1:50增至1:1是由于() ["增溶","防腐","乳化","助悬","助溶"]
为什么说水晶自古就有“放光灯”之称?