题目

如图所示是甲乙两物体从同一点出发的位移﹣时间（x﹣t）图象，由图象可以看出在0〜4s这段时间内（ ） A . 甲、乙两物体始终同向运动 B . 2s时甲、乙两物体距出发点的距离相同 C . 甲的平均速度大于乙的平均速度 D . 甲、乙两物体之间的最大距离为3m 答案：DThe Chinese captain was released by Japan finally, __     _nearly a month of detention（扣押）, which has seriously harmed the relationship between the two countries． A．ended     B．ending        C．to end   D．being ended