对光不稳定,在碱性溶液中分解产物为感光黄素()
D
暂无解析
新生儿补VitD的时间是()
小儿肾功能达到成人水平的年龄是()
肺炎患儿的护理措施是()
重写句子:WelivedinasmalltownwhenIwasasmallchild.WemovedtoShanghailater.Myfatherlandedabetterjobthere.(compound-complexsentence)
Theboycomplained_______apaininhisstomach.