单项选择题
单项选择题 ()It will be held on the 3rd floor of Shakiraton Hotel.A. When will you give a speech?B. Does your speech still go on?C. What is the address of your speech?
单项选择题 男性,5岁。生后出现便秘,需辅之泻药或开塞露排便。查体:消瘦,腹胀,左下腹可扪及质硬包块。钡灌肠检查发现直肠、乙状结肠远端狭窄,乙状结肠近端和降结肠、横结肠明显扩张。最可能的诊断是
单项选择题 ( )测定甲状腺功能筛查。这些年龄甲状腺疾病的发病率大大增加( )