现有95%乙醇500ml,要配制l70%乙醇,需加入灭菌蒸馏水约A.132ml B 发布时间:2017-07-17 18:15 │ 来源:www.tikuol.com 题型:单项选择题 问题: 现有95%乙醇500ml,要配制l70%乙醇,需加入灭菌蒸馏水约A.132ml B.179ml C.185ml D.279m1 E.285ml
题型:单项选择题 患者,男,42岁,注射普鲁卡因行局部麻醉后出现口唇麻木,言语含糊,头晕,心悸,气短等表现。根据病人表现,最可能的原因是()A.低血压B.局麻药毒性反应C.心功能不全D.低血糖E.药物过敏 查看答案
题型:单项选择题 If I ______ about this computer program, a hage amount of time and energy would have been saved.A.knowB.knewC.had known D.have known 查看答案