判断题
错误(↓↓↓ 点击‘点击查看答案’看答案解析 ↓↓↓)
A..table-darkB..table-borderC..tableD..teble-sm
A..text-left 左对齐B..text-center居中对齐C..text-wrap不换行D..text-right右对齐,浏览器默认
A..btnB..btn-primaryC..btn-secondaryD..btn-success
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