以下不属于性偏好障碍的是() ["露阴症","恋物症","易性症","摩擦症","窥阴症"]
下列哪种情况反映急性胰腺炎的病情严重() ["休克","尿糖增高","血钙降低","血尿淀粉酶明显升高","上述都不是"]
从下面哪类动物开始出现盲肠的?() ["鱼类","两栖类","爬行类","鸟类"]
胰腺癌患者应进行术前PTCD减黄的是() ["年龄>65岁","并发胆道感染者","血清胆红素>256μmol/L","肌酐和尿素氮升高者","黄疸时间超过8周者"]
下面那些特征可作为鸟类分类的依据?() ["鸟趾的数目和形态","正羽和尾羽的数目与形状","毛每年更换的次数","喙的形状和长短"]
汽车回收通常采用哪些模式?