题型:问答题 简答题 男性患者,54岁。进食时吞咽不适伴胸骨后刺痛1个月,门诊行胃镜检查,结果提示距门齿25~28cm可见一斑块性病变,并取组织3块。食管癌的典型症状是()。A.咽下疼痛B.食管内异物感C.胸骨后烧灼感D.进行性吞咽困难E.呕吐黏液 查看答案
题型:问答题 简答题 Stop ______, please. Let's go on with our lesson. [ ]A. talk B. to talk C. talking D. talke 查看答案