A. Because .he’s traveling everywhere. B. Because he thinks his life is dull. C. Because people think he’s an interesting life. D. Because he doesn’t worry about anything. 参考答案:A
第28题: [单项选择]溃疡性结肠炎的病变部位较少在() A. 小肠 B. 直肠 C. 乙状结肠 D. 横结肠 E. 降结肠 参考答案:A 答案解析:溃疡性结肠炎病变位于大肠,多数在直肠和乙状结肠,可扩展至降结肠、横结肠,也可累及全结肠。【该题针对“溃疡性结肠炎”知识点进行考核】