科学发展观体现了历史唯物主义关于人民是历史发展的主体的观点。
参考答案：对
William Sidney Porter, known as O. Henry, is most famous for （）.
A. his poems
B. his plays
C. his short stories
D. his novels
下图给出一棵二叉树按照前序法周游二叉树的结点序列星
A．ABDEGCFHI
B．DGEBHIFCA
C．ADBGEFCIH
D．ADGEBHIFC
