题目

 When we went into the park, we saw someone _____ Chinese Kungfu. A. played                    B. to play                      C. playing 答案：C10．下列物体的位移，最大的是（　　）A．物体向东运动了6mB．物体先向东运动6m，接着向西运动2mC．物体先向东运动4m，接着向南运动3mD．物体先向东运动4m，接着向南运动2m