第5题: [单项选择]头皮、面部、背部常见呈圆形肿物，与皮肤粘连，易感染，哪种病可能性最大（）。 A. 脂肪瘤 B. 神经纤维瘤 C. 皮样囊肿 D. 皮脂腺囊肿 E. 表皮样囊肿 参考答案:D 答案解析:从试题上描述的症状与体征均与皮脂腺囊肿符合，该病多见于皮脂腺分布密集部位如头面及背部。肿块与皮肤粘连，有时表面可见皮脂腺开口受阻塞的小黑点。囊内为皮脂与表皮角化物聚集的油脂样"豆渣物"，易继发感染，应
第26题: [单项选择]Passage Two Questions 29 to 31 are based on the passage you have just heard. A. More than thirty six thousand dollars. B. More than fourteen thousand dollars. C. Twenty thousand dollars. D. Less than seventy-four dollars. 参考答案:A 答案解析:[听力原文] How much do foreign students in The University of Washington pay this year
