【单选题】Let's _________ now. [ ]
【单选题】____________ play a game now. [ ]
【单选题】Let's leave now before the storm gets worse.
【判断题】由液体动力学方程可知,水平放置的管道,流体的流速越高,它的压力也越高。
【简答题】由阿基米德原理可知,物体在液体中所受浮力的大小不仅与液体的________有关,还与物体排开液体的_______有关。
【单选题】Let's hurry! There are only two minutes _______. [ ]
【判断题】你愿意为了实现自己的目标而长时间的工作吗?
【单选题】She was so sad because she failed in the math test . Let’s ____ her _____.