端头维护工在工作过程中,要认真执行(),敲幇问顶制度。
A.先回后支
B.先支后回
C.机回撤
D.开机支护
参考答案:B
Mr. King didn't know _______ yesterday evening. [ ]
A. when does his son come home
B. when his son comes home
C. when did his son come home
D. when his son came home
在Photoshop中,当编辑图像时使用减淡工具可以达到何种目的()。
A、使图像中某些区域变暗
B、删除图像中的某些像素
C、使图像中某些区域变亮
D、使图像中某些区域的饱和度增