( )是引起债权债务关系发生的最主要、最普遍的根据。
A．合同
B．侵权行为
C．不当得利
D．无因管理
参考答案：A
The Qing Tombs are obviously influenced by the Ming Tombs, especially _________architecture and their choice of site among the mountains and valleys.
A．in terms of
B．in case of
C．as a result of
D．in the face of
在32×32点阵的字形码需要多少存储空间
A．32B
B．64B
C．72B
D．128B
