甘薯品种是杂合体。块根、种子、叶片和茎均可用于繁殖,但为保持某甘薯品种的特性,下列不能用于繁殖的器官是() ["种子","块根","叶片","茎"]
高压蒸汽灭菌,所打包裹不应太大、太紧,一般应小于() ["30cm×30cm×50cm","30cm×50cm×50cm","30cm×30cm×30cm","50cm×50cm×50cm","以上均不正确"]
下述左心衰的胸片表现,错误的是() ["左侧心房或心室增大","肺静脉扩张","双肺门周围"蝶翼样"阴影","胸腔积液","肺纹理清晰"]
治疗鼻衄肝火上炎证的最佳选方是() ["丹栀逍遥散","一贯煎","镇肝熄风汤","黛蛤散","龙胆泻肝汤"]
阿米巴原虫是沿何途径进入肝内形成阿米巴肝脓肿的() ["肝静脉","肝动脉","胆道","淋巴道","门静脉属支"]
锅炉检验的范围?