题目

 The whole town was simply swept aside by the power of water. Cars, trains and buildings could not _______, _________ the people who stood in the way.   A. remain; or rather        B. achieve; besides      C. exist; more or less  D. survive; let alone 答案：D大量事实表明，原来静止的物体，具有保持静止状态的性质；原来处于运动的物体具有保持匀速直线运动的性质．我们把物体保持    不变的性质叫做    ．