题型:名词解释 —Where are you going for your vacation? —I want to go to a place_____the people are really friendly. [ ]A. that B. who C. which D. where 查看答案
题型:名词解释 250km/h≥允许速度Vmax≥200km/h区段,轨道动态质量容许偏差管理值,波长范围为1.5~42m,轨向Ⅱ级偏差值管理值为()。A.5mmB.7mmC.8mmD.14mm 查看答案