补体活化的旁路途径的激活物，下列物质应除外的是() ["A．细菌内毒素","B．酵母多糖","C．葡聚糖","D．凝聚的IgA","E．甘露聚糖"]
能够激活补体替代途径的免疫球蛋白是() ["A．IgG1","B．IgG2","C．IgG3","D．凝集的IgA","E．IgM"]
Raji细胞的表面标志的特点是() ["A．有C1q受体、C3d受体，无C3b受体","B．有C1q受体、C3d受体、C3b受体","C．无C1q受体、C3d受体，有C3b受体","D．无C1q受体、C3b受体，有C3d受体","E．有C1q受体，无C3b受体、C3d受体"]
补体活化的MBL途径的激活物，下列物质应除外的是() ["A．细菌内毒素","B．CER","C．CRP和CER","D．CRP","E．甘露聚糖"]
义齿基托变形的原因有哪些?
在采用脱模铸造时，对于蜡型体积过大的，应采取哪些措施防止蜡型变形?
