Whose ruler is longer, _ ? [ ]
A. yours or her
B. yours or his
C. my or his
答案:B
彩色数码打样是()等综合应用的结果。
A、计算机技术
B、彩色打印技术
C、色彩管理技术
D、传统印刷技术
钟表上有三根针,走得最快的是秒针,1秒=60分.______.