John had just finished his ice cream when he felt a pain in his mouth. He went into the bathroom, found the painkillers and took two.
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Turn left at the traffic lights and go straight on at the roundabout. The youth hotel is in front of you.
胃癌的大体形态可分为
A. 溃疡型
B. 浸润型
C. 以上都不是
D. 以上都是
胃溃疡最常见的部位是
A. 小弯角切迹附近
B. 胃底部
C. 幽门管
D. 幽门前区
关于肝脏分段的标记,错误的是
A. 左肝静脉将左肝分成内、外两段
B. 右肝静脉将肝分成左、右叶
C. 中肝静脉将肝分成左、右叶
D. 右肝静脉将右肝分成前、后两段
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