【单选题】【消耗次数：1】
HTML5的正确doctype是( )。
①
!DOCTYPE html
②
!DOCTYPE HTML5
③
!DOCTYPE HTML PUBLIC″-//W3C//DTD HTML 5.O//ENhttp://www.w3.org/TR/htm15/strict.dtd
④
以上都不是
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相关题目
【单选题】
HTML5的正确doctype格式是( )。
①
!DOCTYPE html
②
!DOCTYPE HTML5
③
!DOCTYPE HTML PUBLIC -//W3C//DTD HTML 5.0//EN http://www.w3.org/TR/htm15/strict.dtd
④
!DOCTYPE htm15
【单选题】
关于HTML5说法错误的是（ ）。
①
HTML5区分英文字母的大小写，如果要兼顾XHTML的兼容性，建议采用小写英文字母。
②
HTML5使用了简化的文档类型声明方式，代码如下!DOCTYPE html
③
HTML5的文件扩展名仍为.html和.htm，内容类型仍为text/html
④
可以省略结束标签的元素有li、dt、dd、p。
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