小儿腕骨骨化中心出全的年龄是()。
A.5岁
B.6岁
C.8岁
D.10岁
E.12岁
参考答案:D
Towards evening, the patient opened his mouth as if _____ something to his son.
A.said
B.say
C.to say
D.to have said
对于羊水,下列哪项恰当()
A.若含肌酐应视为病态
B.中性偏酸
C.在羊膜腔内静止不动
D.妊娠38周羊水最多
E.羊水于妊娠未期无色透明