妊娠晚期行羊膜腔穿刺术主要原因是
A.了解胎儿肺成熟度
B.确定胎儿性别
C.产前遗传病诊断
D.疑为母儿血型不合
E.治疗胎儿宫内发育迟缓
参考答案:A
危险药物是指()
A.麻醉药物
B.精神药物
C.镇静药物
D.细胞毒药物
E.抗菌药物
Most species of this plant thrive in ordinary well-drained garden soil and they are best planted 8cm deep and 5cm apart.
A.develop well
B.grow taller
C.mature
D.bear fruit