普通高中课程标准实验教科书 英语选修9 Unit 5 Reading task

　　One area of concern for many countries is the advertising of unhealthy food during children's television programmes. In Australia, which has the highest number of food advertisements in children' television in the world, there are an average of 12 food ads per hour. On the other hand, in Sweden and Austria where there are strict laws about advertising during children's programmes, there is only one food ad per hour.

　　There is much debate, however, about whether television advertisements are in any way responsible for childhood obesity. In Sweden, and Quebec in Canada, for example, there has been no great difference in the number of obese children since the government banned food ads in children's television. However, Holland, where there are no bans on food advertising, has one of the lowest rates of obesity in Europe.