填空题

How to protect children Web fans from (36) material on- line while encouraging them to use the Internet has long been discussed in US. For some parents the Internet can seem like a jungle, (37) with danger for their children. But jungles contain (38) as well as (39) and, with good guides, some education and a few (40) , the wilds of the Internet can be safely (41) , "Kids have to be on-line. If we tell our kids they can’t have (42) to the Internet we’re cutting them off from their future, "said an (43) . (44) . Many of them are great for finding tons of interesting Internet sites, and they can also locate places, where you might not want your kids to go. There are search engines designed just for kids. (45) . But the most popular that was to limit access would be to use what is known as a "content screener". But this can’t be wholly reliable, and the best thing parents can do is to talk to their kids and let them know what’s OK or not OK to see or do on the Internet. (46) .