创建快速蒙版后，单击键盘上的（）键可以将快速蒙版转换为选区。
A、Q
B、Ctrl+F
C、Shift+Q
D、X
参考答案：A
Many restaurant menus include the origins of a dish, _______ it is prepared, what the main ingredients are, and which farms the ingredients come from.
A．when
B．how
C．what
D．which
任何数减去0都得______，99×0=______．
