第27题: [单项选择]慢性阑尾炎的病变特点是() A. 阑尾全层弥漫性中性粒细胞浸润 B. 阑尾壁局部坏疽 C. 阑尾黏膜坏死伴中性粒细胞浸润 D. 阑尾壁纤维组织增生伴慢性炎细胞浸润 E. 阑尾腔闭塞,远端黏液潴留 参考答案:D 答案解析:A项为急性蜂窝织炎性阑尾炎的特点,B项为坏疽性阑尾炎,C项为化脓性病变,E项为慢性阑尾炎的原因。
第34题: [单项选择]Passage One Questions 26 to 28 are based on the passage you have just heard. A. More traffic jams. B. More car accidents. C. More damaged roads. D. More drunk drivers. 参考答案:A 答案解析:[听力原文] What is the problem caused by the fast increase of personal cars