25岁初孕妇,妊娠39周,重度妊娠高血压综合征,突发剧烈腹痛伴 * * 少量出血,最可能的诊断是:
A.不完全流产B.稽留流产C.难免流产D.先兆流产E.完全流产
参考答案:A
As a project manager, you examine project results over time to determine how project is performing over time. This can be done through ().
A.performance reviews
B.variance analysis
C.trend analysis
D.earned value management
一个类只有实现了 【14】 接口,它的对象才是可串行化的。