患儿男，10天，为足月顺产儿，母乳喂养，家长为预防小儿佝偻病的发生来医院咨询。

医生的下列指导哪项不恰当()

A.坚持母乳喂养

B.1个月开始添加蛋黄、鱼泥等

C.坚持日光浴

D.1个月开始添加鱼肝油

E.按时补充钙剂

F.肌内注射维生素D

According to the weather forecast, which is usually________, it will snow this afternoon.

A．exact

B．precise

C．perfect

D．accurate