第23题: [单项选择]How many years had he lived in Beijing A. 20 years. B. 15 years. C. 10 years. 参考答案:C 答案解析:[听力原文] M: Had he lived in Beijing for a long time before he went to Shanghai W: About 10 year
第29题: [单项选择]下列关于唇癌的描述中,不正确的是() A. 唇癌是仅次于皮肤癌的最常见的头颈部肿瘤 B. 唇癌以局部侵犯为主,较少出现局部淋巴结转移 C. 下唇癌多转移至颌下淋巴结 D. 近中线处的下唇癌多转移至颏下淋巴结 E. 口角处唇癌多转移至下颌下和颏下淋巴结 参考答案:E 答案解析:唇癌是仅次于皮肤癌的最常见的头颈部肿瘤,约占口腔癌的25%。唇癌以局部侵犯为主,较少出现局部淋巴结转移。不同部位的唇癌常见转移淋巴结部位不同:下唇癌多转移至下颌下淋巴结;近中线处的下唇癌多转移至颏下淋