评定跳汰分选效果一般用:()
A、I值
B、E值
C、E值、I值、错配物含量、数量效率综合评定
参考答案:C
They both sit between ___________. [ ]
A. him and you
B. he and you
C. you and him
D. you and he
患者,男性,40岁,上腹不适5年伴嗳气,胃镜检查见胃窦黏膜苍白,皱襞变细而平坦,活检发现中度不典型增生。最重要的措施是
A.外科手术切除B.定期作胃酸分泌功能测定C.定期复查胃肠钡餐检查D.防止幽门梗阻发生E.定期胃镜检查追踪观察