A:充分非必要条件
B:必要非充分条件
C:充要条件
D:既不充分又不必要条件
我是小法官。
Mike and John: Happy birthday to you, Sarah!
Sarah: Thank you.
Mike and John: How old are you?
Sarah: I'm ten.
Mike and John: These are for you. A cake and two kites!
Sarah: Thank you. Let's eat the cake.
Mike and John: Great!
阅读对话,判断对错。
在人类重大的历史事件中,被认为是一场真正的政治大革命的是( )