1、单选题：
One of the founders of Western philosophy once said, “I know one thing that I know nothing.” Who is the man? （ ）
选项：
A:Cicero
B:Aristoteles
C:Socrates
D:Plato
答案: 【Socrates】

2、单选题：
Who has put forwarded the theory that cultural and religious identities will be the primary sources of conflict in the post-Cold War world, and there would be two major Clashes? （ ）
选项：
A:Joseph S. Nye
B:John King Fairbank
C:Samuel Huntington
D:John Mearsheimer
答案: 【Samuel Huntington】