正常小儿囟门闭合时间是() ["3~6个月","6~9个月","9~11个月","12~18个月","19~20个月"]
关于等温线的叙述,正确的是() ["等温线密集的地方气温差别小","等温线稀疏的地方气温温差大","同一条等温线上各点的气温相同","等温线上的各点的气温不相同"]
省局每()对全省地税系统办税服务厅等级进行考评,并作出升降级或维持原等级的评定。 ["两年一次","一年一次","一季度一次","不定期"]
关于接触性皮炎,下列哪项正确?() ["食致敏性食物可引起病","皮疹可出现大疱溃疡等","仅自觉剧痒","接触高浓度物质方可发病","易反复发作"]
正常人表浅淋巴结的大小应在() ["<1cm","<0.1cm","<0.5cm","2cm",">2cm"]
两餐之间的时间间隔以4小事为宜。儿童每次进餐时间不应少于()分钟.