题目

All the people were shocked by what the little girl      when she was cheated and sold to the mountain village. A. went over     B. went through        C. got along with     D. got away 答案：B 解析: 略如图，质量为、长为的直导线用两绝缘细线悬挂于，并处于匀强磁场中。当导线中通以沿正方向的电流，且导线保持静止时，悬线与竖直方向夹角为。则磁感应强度方向和大小可能为（   ）A正向，  B 正向，C负向，   D 沿悬线向上，