第8题: [单项选择]糖尿病视网膜病变临床上最早出现比较确切的眼底体征是() A. 微动脉瘤 B. 视网膜水肿 C. 视网膜出血 D. 硬性渗出 E. 新生血管形成 参考答案:A 答案解析:单纯性糖尿病视网膜主要病变有微血管瘤形成、出血、水肿、渗出等改变,其中微血管瘤为糖尿病视网膜病变最早出现的比较确切的眼底体征。
第30题: [单项选择]Questions 22 to 25 are based on the conversation you have just heard. A. It’s run by the government. B. it appeals to most people. C. It offers much choice D. It’s a monopoly. 参考答案:D 答案解析:[听力原文] What does the man say about the local service in Southern California