题目

阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。续写的词数应为150左右。While 1 was sitting in the living room, the days that I spent with my mom crowded in on me. We had a very Tom and Jerry relationship. She was a strict trainer; I was naughty. She would ask me to buy groceries, and I wouldn't come right home because I'd be using the change from the milk and bread to play video games at the supermarket. I loved video games. I was a master at Street Fighter. I could go forever on a single play. I'd drop a coin in, time wo“健康重庆”全民健身，自行车健身运动中运用了许多物理知识，写出自行车在行驶过程中涉及到的物理现象和相应的物理知识．（如图所示）示例：物理现象：自行车下坡时，不蹬踏板都越来越快．物理知识：重力势能减小，动能增加，重力势能转化为动能，速度越来越快．物理现象：    ．物理知识：    ．