关于药物流产错误的是
A.宫内妊娠
B.B超示胎囊平均直径3.4cm
C.嗜烟或嗜酒为禁忌证
D.孕天越小,效果越好
E.RU486与前列腺素合用,完全流产率达90%以上
参考答案:B
下列关于水的说法错误的是
A.河水属于混合物
B.洗过青菜的水可用于浇灌花草
C.蒸馏水属于纯净物
D.没有经过处理的工业废水可向江河里排放
A project management professional can compare earned value performance data to all of the following project management tools EXCEPT ().
A.critical path analysis
B.technical performance metrics
C.risk mitigation plans
D.forecasted final costs and schedule estimates