极低出生体重儿是指出生体重不足
A．1000gB．1500gC．2500gD．3500gE．4000g
参考答案：B
影响子宫复旧的因素是（）
A.授乳
B.初产妇
C.子宫炎症
D.胎盘功能不良
E.长时间卧床
They went to the concert _____ bad weather. [ ]
A. though
B. although
C. in spite of
D. despite of
