某班同学去部队参加代号为“猎狐”的军事演习，甲、乙两个小分队同时从同一处O出发，并同时捕“狐”于A点，指挥部在荧光屏上描出两个小分队的行军路径如图所示，则下列说法正确的是（）
A.两个小分队运动的平均速度相等
B.甲队的平均速度大于乙队
C.两个小分队运动的平均速率相等
D.甲队的平均速率大于乙队
参考答案：A, D
解析：
根据题意甲乙两队同时从同一处O出发，并同时捕“狐”于A点，所以运动时间、位移都相同，再根据平均速度公式
可得：平均速度相等，所以A正确；B错误；由图知甲走过的路程大于乙队路程，由平均速率
可知甲队的平均速率大于乙队，所以C错误；D正确
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