多项选择题 法律的指引作用主要是通过什么形式实现（ ）A. 禁止性规范B. 授权性规范C. 强制性规范D. 义务性规范
判断题 After Lincoln was elected president in 1860, 11 Southern states seceded from the Union and set up their own independent government, called “Confederate States of America” the following year._______________
单项选择题 有关醛固酮分泌的描述，下列哪一项是错误的?