窗体和控件的大部分属性可以通过______设置，也可以通过______设置。
参考答案：属性窗口；程序代码
People gathered round to see___.
A.what was the matter B.what the matter was
C.what the matter was D that the matter was
下列数据结构中，按先进后出原则组织数据的是
A．线性链表
B．栈
C．循环链表
D．顺序表
