Einstein is a relevant source when the article is about ______.
A. physical breakthroughs
B. thesubject of poetry
C. studies in current physics
D. credible writing sources
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The author believes that by being a critical reader you can ______.
A. remember what is written clearly
B. eliminate your own discrimination
C. have much more knowledge
D. spend more time in reading
点阵图的颜色深度为__________________时，这种图像叫做真彩色图像。
A. 1
B. 8
C. 24
D. 32
下列描述关于参考线和网格正确的是：（ ）
A. photoshop可以将绘制的直线路径转化为参考线，但不可以转化为网格
B. photoshop中可将参考线转化为网格
C. photoshop中可将网格转化为参考线
D. 参考线的位置可以任意移动，但网格不可以
按（）可以将photoshop程序退出
Alt+F4
B. Ctrl+F4
Ctrl+Q
D. Alt+W
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