检查脑脊液中新型隐球菌,离心沉淀物中需加入少量()
A.革兰染液
B.甲蓝染液
C.稀乙酸
D.碘液
E.墨汁
参考答案:E
— Look at the bird over there! It’s so beautiful!
— Wow! It’s a rare crane. It appears in this area.
A.always
B.usually
C.seldom
D.often
简述婚姻家庭伦理道德的基本特征。