题目

Money Matters Parents should help their children understand money. ____71    So you may start talking about money when your child shows an interest in buying things, candy or toys, for example.  The basic function of money Begin explaining the basic function of money by showing how people trade money for goods or services. It is important to show your child how money is traded for the things he wants to have.If he wants to have a toy, give him the money and let him hand the money to the cashier(收银员).   72     When your child grows a bit older and understands the basic fu《蜡烛》这篇战地通讯非常感人，给人留下难忘的印象，这样的艺术效果是怎么产生的？