某人朝正东方向走千米后，向右转并走3千米，结果他离出发点恰好千米，那么的值为（）

题干

某人朝正东方向走

千米后，向右转

并走3千米，结果他离出发点恰好

千
米，那么

的值为（）

A：

B：

C：或

D：3

上一题下一题 0.0难度选择题更新时间:2017-02-19 04:16:24

C

Accident	A car crashed into a tree. Some people were Trapped(卡住) in the car.
Weather conditions	There was a heavy rain.
Date of call	May 3， 2008
Time of call	9：30 p.m.
Name of caller	Mrs. Green
Place	Zhongshan Road， Nanjing
Conditions of victims	Mr. Green hurt his head. Mrs. Green hurt her left leg. Their daughter felt frightened.
Action	Policemen arrived at 9：40 p.m. and sent the victims to Gulou Hospital at 9：45 p.m.