【判断题】设 是三顶点分别为 的三角形正向边界,则 结果正确还是错误?
【单选题】— We took a taxi and arrived at the station an hour earlier. — You ____ a taxi. Time was enough for you to go there by bus. [ ]
【单选题】We took a taxi to the airport. Otherwise we ____late
【单选题】Yesterday he _____ to work, so he wasn't late. [ ]
【单选题】Yesterday he to work , so he wasn’t late. [ ]
【简答题】20世纪80年代以来的研究表明,情绪的神经回路包括前额皮层、 、 、 和腹侧纹状体等;