第14题: [单项选择]大动脉炎是一种 A. 以内膜损害为主的非特异性内层动脉炎 B. 以中膜损害为主的非特异性中层动脉炎 C. 以外膜损害为主的非特异性外层动脉炎 D. 以中膜损害为主的非特异性全层动脉炎 E. 以全层损害为主的非特异性全层动脉炎 参考答案:D 答案解析:[解析] 大动脉炎是一种以中膜损害为主的非特异性全层动脉炎,中膜损害以弹力纤维和平滑肌细胞为主,继发内膜和外膜广泛性增厚。
第25题: [单项选择]The Greek alphabet was simpler than the Egyptian system for all the following reasons EXCEPT that A. the former was easy to write. B. there were fewer signs in the former. C. the former was easy to pronounce. D. each sign stood for only one sound. 参考答案:C 答案解析:此题为细节归纳题。据第4段第2、3句可确定。