谈判手的个人信息有（）
A、经历
B、专业
C、个性
D、兴趣爱好
参考答案：A, B, C, D
Liu Xiang and Yao Ming are world-famous sports stars. ____ of them have set a good example to us.[ ]
A. All
B. Neither
C. Both
D. None
主切削平面
