消化性溃疡的主要症状是A.便血 B.恶心、呕吐 C.贫血 D.上腹痛 E.营养不良 发布时间:2018-01-15 10:03 │ 来源:www.tikuol.com 题型:单项选择题 问题: 消化性溃疡的主要症状是A.便血B.恶心、呕吐C.贫血D.上腹痛E.营养不良
题型:单项选择题 All of the employees insisted that their boss _____ take immediate action to solve this difficult problem in the next few days. [ ]A. will B. should C. must D. could 查看答案