CA索引包括（）
A.著者索引
B.分子式索引
C.专利索引
D.属类索引
E.累积索引
参考答案：A, B, C, E
成人睾丸鞘膜积液的最佳治疗方法是（）.
A.鞘膜翻转术
B.穿刺抽液术
C.结扎鞘突
D.中药治疗
E.理疗
Don't you know, my dear friend, _____ it is your money not you that she loves? [ ]
A. who
B. which
C. that
D. what
