结构推理 A diet which contains a lot of fat and something harmful may result in serious disease.
【正确答案】如果食物中含有大量脂肪和有害物质，将导致严重的疾病。
【答案解析】本句中的定语从句which contains a lot of fat and something harmfuf翻译成了汉语的条件状语从句“如果食物中含有大量脂肪和有害物质”。