题型:名词解释 10个月患儿,轻咳伴发热半天,晚上呕吐4次,不久频泻水样便,初色黄后转白,量多粘液少,无腥臭,尿极少,于10月底就诊。T39℃,面色苍白,前囟眼窝凹陷,哭泪少,咽充血,心肺无异常,腹稍胀,皮肤弹性减退。最可能诊断是A.产毒性大肠杆菌肠炎B.致病性大肠杆菌肠炎C.轮状病毒肠炎D.诺沃克病毒肠炎E.侵袭性大肠杆菌肠炎 查看答案
题型:名词解释 VHF radio is one of the very important navigational instruments on board,()messages can be sent.A.by whichB.through whichC.by thatD.through that 查看答案