题型:名词解释 一船在静水中的速度是6m/s,要渡过宽为180m、水流速度为8m/s的河流,则下列说法中正确的是( )A.船相对于地的速度可能是15m/s;B.此船过河的最短时间是30s;C.此船可以在对岸的任意位置靠岸D.此船不可能垂直到达对岸; 查看答案
题型:名词解释 Admiral Cervera knew he was being ordered to certain destruction but felt compelled to obey. He chose the morning of July 3 for a gallant escape attempt.A. daring B. futile C. critical D. fruitful 查看答案