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问题 单项选择题

消化道淋巴瘤好发部位依次是（）

A.食管-大肠-小肠-胃

B.大肠-小肠-胃-食管

C.胃-小肠-大肠-食管

D.小肠-大肠-胃-食管

E.胃-小肠-食管-大肠

答案

参考答案：C

单项选择题



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问答题

请你用不超过500字的篇幅概括Y教授关于高原供氧的观点和看法，概括文字要精练，语言要流畅，全面具体。
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