RGB色彩模式中RGB分别代表了三种颜色,其中B代表______。
A. 红色
B. 蓝色
C. 绿色
D. 白色
Henry ______be at home because he telephoned me from Paris just a moment ago.
A. needn't
B. isn't able to
C. can't
The temperature in ______is the hottest of all three.( )
Austria
B. Thailand
C. Hawaii
在Photoshop中使用圆形选取工具时,需配合______键才能绘制出正圆。
A. SHIFT
B. CTRL
C. TAB
D. Photoshop不能画正圆