【正确答案】正确答案： MP3 Players Despite a cloud of controversy / and litigation over the legality of some web music sites, / online music files are apparently here to stay. / Many of those files are transferred / from computers to more than 3.5 million portable MP3 players, / small as a radio, or even smaller. / Music fans have already downloaded an estimated 5 million copies of software programs that play computer files. / These files that use MP3 encoding currently are the predominant means of compressing music files online. / Many MP3 players look much like portable radios. / Others look like large pens or even watches.