【判断题】圆上各点处的曲率等于半径的倒数,且半径越小曲率越大。
【单选题】—Here's the film to be developed. I need the pictures in 15 minutes. —OK. But you have to pay extra _____ . [ ]
【判断题】圆周上每点的曲率都相同,且曲率都等于该圆周的半径。
【简答题】M: Excuse me, do you have change for a ten-dollar note? I need to pay the parking meter. W: I’m sorry, but I think you can get it through the money changer in the shopping center across the street. Q:...
【单选题】( )1855年克包租了一列火车,组织运送了570人,前往拉夫巴参加禁酒大会。
【判断题】1855年库克包租了一列火车,组织运送了570人,前往拉夫巴勒参加禁酒大会。