传授基本的知识有些知识孩子须尽早知道。比如孩子的全名、家庭住址、家庭电话号码、邮编和父母的全名。父母应手把手地教会孩子拨打这些电话。告诉孩子独自在家要关好门，不要在电话中透露独自在家的消息。学会拒绝如果和某人的接触使孩子感到不安全，要让孩子知道脱离的办法 Teach basic knowledge Some knowledge children must know as soon as possible. Such as your child’s full name, home address, home phone number, zip code and parent’s full name. Parents should teach their children how to make these calls. Tell your child to close the door alone at home, and do not reveal the news of being at home alone on the phone. Learn to refuse if contact with someone makes the child feel unsafe, let the child know the way out