支架固位复合树脂修复特别适用于几类洞() ["A．Ⅰ类","B．Ⅱ类","C．Ⅲ类","D．Ⅳ类","E．Ⅴ类"]
简述妊娠期妇女血糖变化的特点及意义?
银汞合金中合金粉由哪几种金属材料组成() ["A．银、锡、铁、铅","B．银、锡、铜、锌","C．银、锡、铜、铅","D．银、锡、铜、铁","E．银、铁、铜、锌"]
用银汞合金充填中龋或深龋，需要垫底，是因为银汞合金具有() ["A．膨胀性","B．流动性","C．传导性","D．溶解性","E．变色性"]
特种车辆包括＿。 ["运钞车","军事运输车","警车","救护车"]
胎盘催乳素检测有何临床应用价值?
