湿肺多发生于（）
A.早产儿或顺产儿
B.早产儿或剖宫产儿
C.足月儿或顺产儿
D.足月儿或剖宫产儿
E.小于胎龄儿
参考答案：D
Li Ping was born_________ .
A．in the year 1984，at 10 a.m.on June 18th
B．on June 18th at 10 a.m.in the year 1984
C．at 10 a.m.in the year 1984 on June 18th
D．at 10 a.m.on June 18th in the year 1984
平衡态
