【判断题】在设置边框宽度和边框颜色时,必须同时设置边框样式。
【判断题】在设置边框宽度和边框颜色时,必须同时设置边框样式。( )A. 对 B. 错
【判断题】在设置边框宽度和边框颜色时,必须同时设置边框样式
【单选题】Doctors warn people that one may develop skin cancer with his skin ________ to the sun too much.
【简答题】A.50 percent. B.2 percent. C.4 percent. D.6 percent.