题目

He must a(道歉) for being late for the meeting again because his boss was very angry. 答案：【1】apologize用一根长12厘米的钢丝围成一个最大的正方形，这个正方形的面积是（　　）A．9平方厘米B．12平方厘米C．48平方厘米D．144平方厘米