A.The child's academic performance.
B.The child's character and personality.
C.The child's computer skills.
D.The child's willingness to communicate.


A.Frequently change their passwords of online accounts.
B.Put their photos online frequently and randomly.
C.Guarantee the decency of language on their sites.
D.Use their real full name for their online account.
A.keep updated with current internet applications.
B.split the bill with their children for going online.
C.get the password of their child's online account.
D.ask their kids to watch the language on their sites.
A.academic and professional.
B.military and supervisory.
C.health-care and educational.
D.political and economic.