婴儿湿疹亚急性期可用（）
A.2%硼酸溶液
B.氧化锌糊剂
C.15%氧化锌软膏
D.红霉素软膏
E.炉甘石洗剂
参考答案：B
Seeing the happy ________ of children playing in the park，I'm full of joy and confidence in
the future of our country.[ ]
A．sight
B．scene
C．view
D．sign
定义[x]为不超过x的最大整数，则[-2.1]=
