运行上有限制条件的超限车,除有特别指示外,禁止编入()。
A.军用列车
B.路用列车
C.区段列车
D.直达、直通列车
参考答案:D
同一密度的液体深度越深,压强()。
A、越小
B、基本不变
C、不变
D、越大
—Excuse me, where are we going to have our class?
—I'm not sure. Ask our monitor, please. He _____ know. [ ]
A. can
B. may
C. need
D. shall