母乳喂养时开始添加维生素D的时间为
A.生后2周
B.生后4周
C.生后6周
D.生后8周
正确答案是A
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/426101.html
上一篇:preferred, prefers, is, are, was, were During the holiday week, one-third of the students in our class ___ prepared to stay on campus for study while around ten percent of them ___ some more sleep at home.
下一篇:简述信息系统与组织的关系。