A.onclick() B.mouseover() C.onmouseout() D.blur()
A.float:left; B.position:absolute; C.position:fixed; D.position:relative;
A.<Style Type=”text/css”> P {color:red} </Style> B.<Style Type=”text/css”> #firstp {color:red} </Style> C.<Style Type=”text/css”> .firstp {color:red} </Style> D.<Style Type=”text/css”> P.firstp {color:red} </Style>
A.页面空白 B.页面属性 C.标题传递 D.滚动文字
A.line-height B.height C.margin D.padding
A.边距margin只能取一个值 B.margin属性的参数有margin-left、margin-right、margin-top、margin-bottom C.margin属性的值不可为auto D.margin属性的参数值不能全部设置成0px
A.<td align="left"> B.<td valign="left"> C.<td leftalign> D.<td left>
A.#1h{color:red;} B.h1{color:red;} C..h1{color:red;} D.#h1{color:red;}