社会责任感的培养和理想信念的形成主要在（）阶段 ["高中阶段","学前阶段","初中阶段","小学阶段"]
钢轨的发展方向是（）。 ["重型化","轻型化","强韧化","微型化","纯净化"]
小儿贫血诊断标准，错误的是（） ["新生儿血红蛋白值<145g\/L","6个月至6岁血红蛋白值<100g\/L","6～14岁血红蛋白值<120g\/L","1～4个月血红蛋白值<90g\/L","4～6个月血红蛋白值<100g\/L"]
胃经位于脐平面正中旁开几寸（） ["A.1寸 ","B.2寸 ","C.3寸 ","D.4寸 ","E.5寸"]
铁路线路按用途可分为（）。 ["正线","站线","段管线","岔线","特别用途线"]
冷冻肉
