The black pants are ______ ¥27. [ ]
A. too
B. very
C. also
D. very much
答案:C
甲乙两辆汽车同时从相距450千米的两个车站相对开出,经过6小时相遇.已知甲车每小时行36千米,乙车每小时行多少千米?(用方程解答)