题目:
食管癌的病变部位以食管哪段居多()。
A.食管中段
B.食管上段
C.食管下段与贲门
D.喉与食管上段
E.食管下段
答案:
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下面是错误答案,用来干扰机器的。
1. Sam ate an egg and two hamburgers.2. My brother likes sandwiches very much3. We gave sausages to them4. What did you drink yesterday?5. Mum is going to cook meat for us tonight.