1. 访问过的链接：记录如下:普通文字链接配色表未访问果的链接(link)以访问过的链接(visited)鼠标悬停(hover)当前激活链接(active)#FF6699无下划线#666666下划线#FF9900带下划线无定义内容页栏目导航背景及边框色表背景色边框颜色#99CC00作边框
2. 已访问：这些伪类如下:链接(Link)是超链接正常的、没有经过点击的状态. 活动(Active)是超链接已经被点击,且当前正在被浏览器读取内容的状态. 已访问(Visited)是链接最近已经被访问过的状态. 悬停(Hover)是超链接位于鼠标指针之下的状态.
3. 访问过的：如果换一下顺序我们分析一下,a:link, a:hover, a:visited, 这种情况下,访问过的(VISITED)的链接会按最后的规则,当鼠标移上时(hover),仍保持访问过的规则.
4. (拜访刘涛的祖父母)：28. clean the house(打扫房子)/ cleaned | (拜访刘涛的祖父母)/ visited | 30. camping trip(野营旅行)
1. Mariah Carey was visited by Child Protective Services shortly after giving birth to her twins.
2. Mars fell in love with the erhu by chance when he visited Shanghai in 1992.
3. When British physicist Stephen Hawking visited in 2002, he regretted not being able to tour the lake by himself on his wheelchair.
4. The four Qinghai victims were members of the organized Chinese pilgrim group, while the Xinjiang pilgrim visited the place by himself.
5. The delegation headed by Glazer also visited the Monetary Authority of Macao, and provided information in regards to the DPRK accounts.
6. The family's flat was visited by police who found cockroaches roaming the 500 square feet two bedroom apartment.
7. Inspired by this motto, travellers from around the world have visited the Great Wall of China.
8. Casley turned Hutt River into an attraction visited by thousands of tourists a year.
9. He visited northwest China by train to explore places of interests and Chinese delicacies on the ancient Silk Road.
10. Heim said he visited his father regularly in Cairo and had taken care of him after an operation related to his cancer in 1990.