参加对外技术交流获取的文件资料，应由（）保管。
A.个人
B.领导
C.情报资料管理部门
参考答案：C
The Internet is a wonderful discovery, _____ of great significance to people's lives. [ ]
A. as is I think
B. which I think it is
C. as I think
D. which I think is
通过反驳对方的观点来确立自己观点的方法，在谈判常用的逻辑方法中属于（）
A.归谬法
B.反证法
C.淘汰法
D.条件法
