如图所示，一个单匝矩形线圈水平放在桌面上，再线圈中心上方有一竖直的条形磁体，此时线圈内的磁通量为0.05Wb．在0.5s的时间内，将该条形磁体从图示位置竖放到线圈内的桌面上，此时线圈内的磁通量为0.10Wb．试求此过程：

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阅读下面的短文，根据短文内容完成相关任务。
Hi! Welcome to Lotte Mart.(乐天玛特）We have clothes at very good price(价格 ).We have sweaters in all colors at ¥ 16 each. Are they very cheap? And we have black trousers for only ¥9. We have blue bags for sports for just ¥7 for girls. T-shirts in all colours are ¥10 each. The white socks are only¥3. Can you believe it? Come and see in our supermarket.
Please fill in the table according to the advertisement(广告 )for the clothes. 

—Peter's father is a _______ math teacher.    
—I think so. He teaches _______.