第13题: [填空题]According to the FAO, as the demand for organic food and products increases, prices will be lower for organic products than conventional products. 参考答案:NG 答案解析:[解析] 根据主句部分的主语prices判断,本题是关于有机食品的价格问题,故将目标锁定在小标题Why is Organic Food So Expensive 部分。根据该部分最后一段可知,FAO只