【单选题】听力原文:W: Are you all prepared for your Speech Club introduction this evening? M: Yeah, I'm going to talk about robots. W: Robots? You mean, those machines that walk and talk like in the movies? M: No, ...
【单选题】听力原文: W: Professor Pearson, could you give us a brief introduction of the well-known educational system for students in Sweden? M: Yes, in Swedish we call it Folkbillnin, which means the popular...
【判断题】将木块逐渐按入水中,手会感到越来越费力,是因为物体的浮力变大了。()