题目

阅读理解Can you play the guitar upside down(倒转)? Can you say things with your stomach (胃)? Maybe most of us can't. However, some people can and they are very good at these although they are not famous people. As a result, such people show their special talents in the TV program, China's Got Talent.These days the TV program is getting more and more popular in China. Many people watch it because they want to know how talented one can be. Talent shows began in Britain( 英国) and got more popular in Europe and America, And now there are similar shows in lots of countries around the wor（2012•上海）已知函数y=f（x）的图象是折线段ABC，其中A（0，0）、B（12，5）、C（1，0），函数y=xf（x）（0≤x≤1）的图象与x轴围成的图形的面积为5454．