他是我国南宋著名的抗金将领，“精忠报国”的故事世代流传。他是( )
what ,be ,an ,last, some ,the, in ,your ,black ,my ,call, how
Hello, everyone. I ____ Frank Smith.Frank is my first name.My ____name is Smith.This is my schoolbag.It's ____. In it,you can see ____books and a pencil box. ____ is that? Oh,it is a watch. And ____ watch is yellow. It isn't____ . I found it ____ Class 7A. Is it ____? Please ____ Frank at 9556833.
如图，电灯的灯丝电阻为2Ω，电池电动势为2V，内阻不计，线圈匝数足够多，其直流电阻为3Ω．先合上电键K，过一段时间突然断开K，则下列说法中正确的是（ ）
