呕吐伴黄疸可见于A.胆石症B.幽门梗阻C.急性胃炎D.急性阑尾炎E.急性肾盂肾炎 发布时间:2017-12-15 00:13 │ 来源:www.tikuol.com 题型:单项选择题 问题: 呕吐伴黄疸可见于A.胆石症B.幽门梗阻C.急性胃炎D.急性阑尾炎E.急性肾盂肾炎
题型:单项选择题 By the time he retires, professor Baker _____ for almost forty years.A.will have taughtB.had taughtC.has taughtD.is teaching 查看答案