油漆桶工具可以根据像素的颜色的近似程度来填充颜色,它不能作用于()的图像。
A.位图模式
B.RGB模式
C.CMYK模式
D.Lab模式
参考答案:A
男性,50岁。近1周间断性便血,伴肛门坠胀感。首先应进行()
A.直肠指检
B.乙状结肠镜检查
C.大便潜血试验
D.纤维结肠镜检查
E.肛门镜检查
A 5-liter jug contains 4 liters of a saltwater solution that is 15 percent salt. If 1.5 liters of the solution spills out of the jug, and the jug is then filled to capacity with water, approximately what percent of the resulting solution in the jug is salt ?()
A.A
B.B
C.C
D.D
E.E