题甲、乙两位同学同时从起点A前往终点B.甲在全程时间一半内跑,另一半时间内走;乙在全程的一半内跑,另一半路程内走.如果他们走和跑的速度分别都相等,则()(A)甲先到达终点.(B)乙先到达终点.(C)甲乙同时到达终点.(D)无法判断.分析依据题意作出两位同学行程的示意图,通过作图比较出他们跑和走的路程分别是多少,跑 Two classmates A and B also started from the starting point A to the ending point B. A ran within half of the full time and walked in the other half; B ran within half of the whole course and walked within the other half. If they walked and ran If they are equal, then () (A) A reaches the end first. (B) B reaches the end first. (C) A and B reach the end point at the same time. (D) can not be judged. Analysis based on the intention to make two students journey diagram, through Comparing how they run and walk, run