用五种字体分别向屏幕输出“2008年奥运会”几个字，这些文字从手机屏幕上方慢慢滚动到下方，滚出屏幕后，从新开始-In five font respectively output to the screen" 2008 Olympic Games " a few words, these words from the upper part of mobile phone screen slowly rolling down, get out of the screen, from a new be