Word came ________the concert that was given by the band ________ 5 teenagers was appealing . A. that ; consisting of B. which ; made up of C. / ; consisted of D. that ; is made up of 答案:A 解析: 略轮船在静水中的速度为v1,水流的速度为v2,若船从甲地逆流而上航行到达乙地,然后立即顺水返回甲地,若甲、乙两地间的距离为s,则关于船在各段运动过程中所用的时间,下列说法中不正确的是
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A.逆流行驶时间为
B.顺水行驶时间为
C.往返一次所用时间为
D.以上说法都不对