I don’t remember ___________(meet) him before.
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The first blind man happened _______(put) his hand on the elephant’s side.
Oh , I forgot _________(send) my sister a birthday card and it’s her birthday tomorrow.
下列不属于外部样式表优点的是()。
A. 增大网络带宽
B. 便于复用
C. 便于修改
D. 提高显示速度
去除图层两边浮动的CSS规则是()。
A. .div{clear:both;}
B. .div{clear:left;}
C. .div{clear:right;}
D. .div{clear:none;}