A new research study has found that, ______(l) what parents might believe, there is an enormous gap between what they think their children are doing online and what is ______(2)happening.In one part of the study, over 500 children from a variety of ages and backgrounds were asked if they gave out personal information online. 73% said that they did. The parents of the ___(3) children believed that only 4% of their children did so.The children were also asked if they had made face-to-face _____(4) with strangers that they had met online.36%from the high school group admitted to meeting with a stranger they had met online. Nearly 40% of these children ____(5)to speaking with strangers regularly. Fewer than 9% of the parents knew that their children had been meeting with strangers.Another part of the study found that 30% of children between the ages of 9 and 18 delete (删除)the search history from their browsers attempt(浏览器)in an___(6) to protect their privacy from their parents. Common filtering software(过滤软件)may ___(7)be effective, since children will access what they are looking for else-where -- at a friend's house, an Internet cafe, or school. One problem lies in the fact that parents don't know much about using popular online software and chat programs, and____ (8) to have no clue about what is really happening online. This lack of knowledge on the parents' part may be no ____(9) from the situation before the arrival of the Web. Parents don't know what their children are doing on the Net, in the same ____(10) that they don't knowwhat goes on at class, parties, or clubsA. AdmittedB. sameC. despiteD.reallyE. attemptF. notG. mannerH. equalI. regardless J. certainly K. tendL. contactM. different