题型:问答题 简答题 — Would you like to play computer games with me? — Sorry, I have ______ playing them. [ ]A.made up B.looked up C.given up D.picked up 查看答案
题型:问答题 简答题 男性,57岁,胸骨后阵发性针刺样疼痛2年,近三个月咽下食物梗噎感而来诊。查体见右锁骨上淋巴结肿大。行食管吞钡检查,见到下列哪个征象,有助于确定前述之诊断().A.局部食管粘膜影是串珠样改变B.未见明显异常影像,食管运动良好C.食管下端呈光滑的鸟嘴状狭窄D.粘膜光滑完整,食管腔外压迫E.食管粘膜皱襞增粗断裂,局限性管壁僵硬 查看答案