下列哪种情况分娩期开始即开始应用抗生素预防感染
A.妊娠合并心脏病B.妊娠合并贫血C.妊娠合并病毒性肝炎D.妊娠合并糖尿病E.妊娠合并肺结核
参考答案:A
— Come on, baby! You will succeed. We all wish to get good news.
— ____, but I'll do my best.[ ]
A. No problem
B. It is impossible
C. I can't promise
D. Don't worry
3S管理是下列哪项试验的结果?()
A.铁锹试验
B.生铁搬运试验
C.霍桑试验
D.金属切削试验
E.群体试验