下列哪些因素不利于钙的吸收( )
A.植酸
B.氨基酸
C.维生素D
D.乳糖
E.脂肪过多
参考答案:A,E
The little girl ____ her books in her new pack bag and goes to school.[ ]
A. is putting
B. puts
C. put
D. takes
肝素引起的自发性出血宜选用
A.右旋糖酐
B.鱼精蛋白
C.垂体后叶素
D.维生素K
E.维生素C