72.C。参考protect children Web fans from unsuitable material online while encouraging them to use the Internet has long been discussed in the US.
73.D。高物参考There are search engines designed just for kids. A certain software contains only sites that have been selected as safe. The most popular way would be to use
74.D。参考“闷念配Kids have to be online. If we tell our kids they can't be allowed to surf the Internet, we're cutting them off from their future,”不选C的理由是search engines designed just for kids才可以给孩子搜索到适合他们的信息。蚂指
75.A.
你不会是让整篇翻译吧?!