div:after,ul:after,dl:after{content:".";display:block;clear:both;height:0;visibility:hidden;}
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/18 16:18:09
div:after,ul:after,dl:after{content:".";display:block;clear:both;height:0;visibility:hidden;}
div:after,ul:after,dl:after{content:".";display:block;clear:both;height:0;visibility:hidden;}
div:after,ul:after,dl:after{content:".";display:block;clear:both;height:0;visibility:hidden;}
自动适应调试,并清除浮动
div:after,ul:after,dl:after{content:.;display:block;clear:both;height:0;visibility:hidden;}
after
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After
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The old man needs _____.A.to look after B.looking after C.being looked after D.looked after
(2/3) look after B.look after C.looking after D.to look after 括号选哪个选项,为什