促进钙磷吸收,缺乏可导致佝偻病的是()
A.维生素B1
B.维生素B
C.维生素B12
D.维生素C
E.维生素D
参考答案:E
In most western countries on April Fool's Day, people often play________trick on each other; children
especially have great________fun.[ ]
A. a; a
B. the; the
C. /; a
D. a; /
药品零售企业在价格管理中要做到()
A.不参加价格联盟
B.低于药品成本价销售
C.搞药品价格虚假宣传
D.抬高药品价格销售