绘制汽车总布置草图时,整车布置的基准线中,为整车零线的是() ["车架上平面线","前轮中心线","汽车中心线","地面线","前轮垂直线"]
与载体偶联才具有免疫原性的物质称为()。 ["A.变应原","B.完全抗原","C.半抗原","D.佐剂","E.载体"]
鉴别功血和子宫内膜息肉的最好方法是() ["阴道脱落细胞检查","基础体温测定","诊刮、内膜活检","子宫、输卵管造影","由病史及妇科检查鉴别"]
环氧涂层钢筋在钢筋混凝土工程中的作用是什么?
利多卡因成人一次限量为()。 ["300mg","100mg","200mg","150mg","400mg"]
情报传递的五种类型?