哺乳期保健人员的职责有()
A.定期防视
B.评估婴儿生长发育情况
C.指导哺乳期合理用药
D.给予婴儿接种免疫疫苗
E.评估家庭支持系统
参考答案:A, B, C, E
在图所示的四种家用电器中,利用电流热效应工作的是
A.电冰箱
B.笔记本电脑
C.排风扇
D.电饭锅
The activity is held annually in Chinatown with the purpose of the Chinese tradition.
A.keeping off
B.keeping up
C.keeping back
D.keeping out