题目

阅读理解Clairewas set up to get her dream job working as a reporter at a popular newsstation. She went to visit her father before her interview. Her mother, who hadalways been her biggest supporter, had died a few years earlier.Asshe visited her father, she told him about how nervous she was about theinterview. Her father said, You will do great because you are a lot likeyour mother, and your mother did great at everything.Clairepictured her mother, the most supportive person she had ever met, and had arealization. Was she really like her mother? She didn't think so. She was sofocused on h锅、铁箱、铁勺的质量分别是1.5㎏、3㎏，0.5㎏，则它们的体积之比是    ，密度之比是    ．