下列有关铁的说法错误的是（）

将下列句子排成完整的文章并标出序号。

____她的手里拿着一只青蛙，那青蛙的样子很可怜。

____妈妈对我说：“咱们把青蛙剁了喂鸡。”

____一天，妈妈从田里回来。

____妈妈点点头说：“听你的，把它放回田里去吧！”

____我不肯去，求妈妈说：“青蛙能捉害虫，把它放了吧！”

请和你的同学一起讨论讨论，找出答案。

    Tom, Sam, Jim and Jack live in a building of four floors. They live on different floors. They have different jobs―an engineer, a worker, a teacher and a doctor. Tom lives above Sam, but below(在下面) Jim. Jack lives on the third floor. The doctor lives above the teacher, but below the worker. The engineer lives on the ground floor. What are their jobs? Which floor does each of them live on?