We should help ____  each other because ______ needs help.

A．with,no one

B．/,anyone

C．/,someone

D．with, anyone

下列哪项是前置胎盘最主要的症状

A．出血量与前置胎盘类型无关

B．妊娠晚期无痛性反复 * * 出血

C．完全性前置胎盘通常出血量不多

D．多在妊娠早期出现 * * 间断性出血

E．常易造成胎膜早破