【单选题】9个月男婴,近期因肺炎用多种抗生素治疗,3天来腹泻,每天7~8次,大便含泡沫多,有豆腐渣样细块。查体:眼窝、前囟略凹,口腔黏膜有白色凝乳状物,心肺腹未见异常。本病最主要的诱因是()
【单选题】I asked the teacher if there an English test the next day.
【单选题】If I had met our Math teacher, I ______ him about the problem. [ ]
【单选题】He has promised to help you and I'm sure he will keep his _ . [ ]
【简答题】I would have brought you the CD you asked for ____________ (如果我没有忘记的话).