关于上海的叙述错误的是[ ]
A．我国最大的城市
B．我国最大的工业中心
C．我国最大的商业中心
D．我国最大的铁路交通枢纽
答案：D
New tombs found in Giza support the view that the Great Pyramids were built by free workers and not slaves, ______ widely believed,
A．as
B．which
C．what
D．that
简述溪流设计要点。
