妊娠18~20周
A.35cm,1000gB.45cm,2500gC.16cm,110gD.25cm,320gE.50cm,3400g胎儿身长,体重
参考答案:C
3.962保留一位小数是[ ]
A.4
B.4.0
C.3.9
简述高钙血症的临床表现。