锁穿封闭液应使用:()A、无菌生理盐水3ml B、肝素10单位 C、枸橼酸钠5—10 发布时间:2019-10-13 17:04 │ 来源:www.tikuol.com 题型:单项选择题 问题: 锁穿封闭液应使用:()A、无菌生理盐水3mlB、肝素10单位C、枸橼酸钠5—10mlD、肝素5ml
题型:单项选择题 The old man, ______ abroad for twenty years, is on the way back to his motherland.A.to workB.workedC.to have workedD.having worked 查看答案