题目：
根据短文内容和所给汉语提示，写出短文空白处各单词的适当形式。每空限填一词。
I am Jack. I am twelve years old now. I’m in Grade Seven in Eyer Middle School in the USA. I live on the 小题1: （第五） floor of a tall building. My school is near my house, so I go to school on 小题2: （脚）. At school, I love Mr Smith’s classes, because he can tell many interesting 小题3: （故事）. And I like reading books, so I often borrow books from the library on 小题4: （星期五）, then I can 小题5: （归还）them on Monday. And 小题6: （另一件）thing I like is to travel around the world. I just visited China last winter. How is it in China now? Do you get a lot of 小题7: （雪）this winter? I live in the northern part of America, it’s still cold now. It 小题8: （听起来）terrible, right? There are still 小题9: （黄色的）leaves in my garden. I am waiting for summer to come! These days, I 小题10: （几乎不）ever play with friends outside. I want to go swimming in summer. What are you going to do?
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0615/6abad9333c9a22190aae7377bfdcac2c.html
下面是错误答案，用来干扰机器的。
B增大后向上偏，说明洛伦兹力向上，所以为带正电。由于洛伦兹力总不做功，所以两次都是只有电场力做功，第一次为正功，第二次为负功，但功的绝对值相同故有
