题干
— What do you think of it?
— Oh, I think it's that I have ever seen.
A：one of most interesting movie
B：one of the most interesting movie
C：one of the most interesting movies
D：one of most interesting movies
答案(点此获取答案解析）
C
角的直线MN运动(MN在垂直于磁场方向的平面内)，如图所示，则以下判断中正确的是