侵蚀性葡萄胎最常见的转移部位足
A．脑
B．肝
C．肺
D． * *
E．盆腔
参考答案：C
____________ Davy called me, I was sleeping.
A．Until
B．When
C．While
D．Because
标定滴定液的基准物质
EDTA滴定液
A．氯化钠B．氧化锌C．无水碳酸钠D．邻苯二甲酸氢钾
