为了保护消费者的安全，我国对食品添加剂的使用有着严格的要求，未经允许不得在下列哪类食

     Lang Lang is a world-class young pianist (钢琴家) who grew up in Shenyang. He went to a piano
 school in Beijing when he was just eight. "You need fortune (机会,运气)." His father said, "But if you
 don't work hard, no fortune will come."
     What made him sad was that his piano teacher in Beijing didn't like him. "You have no talent. You will
  never be a pianist." __1__ a nine-year-old boy, Lang Lang was badly hurt. He decided that he didn't
 want to be a __2__ any more. For the next two weeks, he didn't touch the piano. __3__ , his father didn't
  push, but waited.
     Luckily, the day came when his teacher asked him to play some holiday songs. He didn't want to, but
 as he placed his fingers on the piano keys, he __4__ that he could show others that he had talent after all. 
  That day he told his father what he had waited to hear. that he wanted to study with a new teacher. From
  that point on, everything turned around!
     He started __5__ competitions. In the 1994 International Young Pianists Competition, when it was
 __6__ that Lang Lang had won, he was too excited to __7__ back his tears. Soon it was __8__ that he
 couldn't stay in China forever. he had to play on the world stages. In 1997 he moved again, this time to
 Philadelphia, US. There he spent two years practicing, and by 1999 he had worked hard enough for
 fortune to come. After his __9__ performance at Chicago's Ravinia Festival, many gigs (特邀演出)
 came. Lang Lang finally worked to reach the place where fortune comes to him, and lets him __10__ .