护栏按其刚度的不同,可分为()。 ["柔性护栏、刚性护栏两种","普通护栏、加强护栏两种","柔性护栏、半刚性护栏和刚性护栏三种","柔性护栏、组合性护栏和刚性护栏三种"]
可以反映股东权益账面价值增加变化的指标是()。 ["权益乘数","股东权益增长率","产权比率","三年资本平均增长率"]
片形皱褶绦虫的中间宿主是() ["剑水蚤","蜻蜒","蝇类","蛞蝓","甲壳类昆虫"]
鸭绦虫病的有效治疗药物是() ["吡喹酮","左旋咪唑","氯氢碘柳胺钠","伊维菌素","硝氯酚"]
莱菔子的功效是() ["消食回乳","消食散瘀","消食化痰","消食固精","消食杀虫"]
妇女带下臭秽而黄稠,属于()尿甜,并散发烂苹果气味,属于()