题目

It is ____to work out this problem. You don’t need to ask the teacher for help. A. enough easy  B. enough easily  C. easy enough  D. easily enough 答案：C已知⊙O的半径r=3，PO=,则点P与⊙O的位置关系是(       ) A、点P在⊙O内；B、点P在⊙O上；C、点P在⊙O外； D、不能确定