以下理念中，作为保险业存在的根据及价值所在是（）
A、扶危济困
B、诚信为本
C、规范服务
D、公平竞争
参考答案：A
To a doctor, the most important thing is _______.
A. to save b. saving C. to saving D. saved
This book is____ as that one. [ ]
A. same
B. different
C. the same
D. difference
