尺规作图作∠AOB的平分线方法如下:以O为圆心,任意长为半径画弧交OA、OB于C、D,再分别以点C、D为圆心,以大于CD长为半径画弧,两弧交于点P,作射线OP,由作法得△OCP≌△ODP的根据是 ( ) A. SAS B.ASA C.AAS D.SSS 答案:D 选择
---______?
---It's about one kilometer away.
A. How away is it from here
B. what is it from here
C. How far is it from here