【正确答案】 1、N    

【答案解析】[题眼] It is useful to lecture your kids about spending，saving and sharing when doing out their pocket money if you spend every free weekend afternoon at the mall．
[定位] 小标题Lead by Example下第2段第2句：It does no good to lecture your kids about spending，saving and sharing when doing out their pocket money if you spend every free weekend afternoon at the mall．
[解析] 题目和原文的极端词不一样，从而造成题目和原文内容相反。题目说“有用的(useful)”，而原文是“毫无益处(no good)”，故答案为N。