听力原文：Watching his mother drown and then clinging to an inner tube for two days were painful enough. And psychologists say Cuban boy Elian Gonzalez's anxiety is probably being worsened by the persistent public attention he has received since arriving in Miami. Both in the United States and Cuba, protesters chant (吟唱) (29)6-year-old Elian's name and carry his picture on posters. News helicopters buzz his temporary home and crowds of reporters, photographers and TV cameramen follow him everywhere-to his school, to his birthday party, to amusement parks. Elian was dragged from the Atlantic on November 25,1999. (30)He had been floating on an inner tube for two days after a smugglers' boat bringing illegal migrants to Florida capsized (翻船). His mother was one of the 11 people who died in the disaster. A custody battle between his father in Cuba and relatives in Miami has been raging in the full glare of the news media. 'We do know that the effects of traumatic stress can persist for years,' said Alan Delamater, professor of pediatrics and psychology at the University o{ Miami. Elian is especially vulnerable because of his young age and probably does not understand fully what is going on, they said. His Miami relatives did not immediately tell him that(31)US immigration authorities had decided last Wednesday that he should be returned to Cuba. They told him they were playing hide-and-seek with the helicopters that buzzed over his house after the ruling was issued. (30)