题型:名词解释 China's reform and opening has been going on for ________ is like about 30 years now and it's really quite remarkable.A.thatB.whichC.whatD.it 查看答案
题型:名词解释 男,10个月。秋季发病,腹泻2天,大便为蛋花汤样无腥臭,哭时泪少,尿量减少,查体:精神萎靡,皮肤弹性差,眼窝及前囟明显凹陷;查血钠135mmol/L。该患儿腹泻最有可能的病原体是A.致病性大肠埃希菌B.轮状病毒C.鼠伤寒沙门菌D.生理性腹泻E.空肠弯曲菌 查看答案