【简答题】阅读理解。 Ameri can boys and girls love to watch television. Some children spend six hours a day in school and four to six hours a day in front of the television. Some even watch television for eight hour...
【单选题】Passage 4 In the United States, 30 percent of the adult population has a “weight problem”. To many people, the cause is obvious: they eat too much. But scientific evidence does little to support thi...