题目

甲、乙、丙三人骑自行车匀速行驶，甲在1h内行驶15km;乙在3min内行驶750m;丙行驶100m需24s;则三人骑车速度的快慢为:A.甲最快，丙最慢;                    B.甲最慢，丙最快;     C.乙最快，甲最慢;                    D.三人一样快. 答案：DWe were _____________ when we heard the _________ news yesterday.A. exciting; surprise B. excited; surprisingC. exciting; surprising D. exciting; surprised