题目

阅读理解 According to the Oxford English Dictionary, the term couch potato first appeared in print in a December, 1979 edition of the Los Angeles Times. Since then, it has become a familiar term for a person who spends a lot of time sitting, and little time exercising. Although there does not seem to be any particular reason why the term couch potato is used rather than couch tomato, a person may become a couch potato because living this way is said to make you round like a potato. The term is also said to have something to do with the high-calorie (卡路里) food like potato chips. Peop2011年我国公布了新的个人收入所得税征收标准．个人月收入3500元以下不征税．月收入超过3 500元，超过的部分按下面的标准征税： 不超过1500元 3% 超过1500元至4500元的部分 10% 超过4500元值9000元的部分 20% … …赵宇的妈妈缴纳了30元个人所得税，爸爸缴纳了115元个人所得税，他们各自收入是多少元？