题目

今年年初，科学家利用显微镜针头手工“敲打”原子，首次成功合成能稳定存在4天之久的三角烯分子。三角烯（化学式为C22H14）将在量子计算、量子信息处理和自旋电子学等领域展现巨大应用潜力。请计算： （1）C22H14中碳氢元素的质量比为_______。 （2）C22H14中碳元素的质量分数为______（计算结果精确到0.01%）。阅读短文，根据短文内容填空。This is my mother. She's a nurse. She's quiet. This is my father. He's a doctor. He likes painting. My aunt is a farmer. She likes flowers. My uncle is a driver. He's good at sports.(1)My mother is a ________and she's________.(2)My father likes ________.(3)My aunt is a ________.(4)My uncle is ________.