题目

完形填空 I was in my third year of teaching creative writing at a high school in New York, when one of my students, 15 ­year ­old Micky, gave me a note from his mother. It 1 his absence from class the day before. I had seen Micky himself writing the note at his desk. Most parental ­ excuse notes I received were penned by my 2.The forged (伪造的) excuse notes made a large pile, with writing that ranged from imaginative to crazy. The3of those notes didn't realize that honest excuse notes were usually 4：“Peter was late because the alarm clock didn't go off.” The students always sa17．下列四个图形中，是轴对称图形，但不是中心对称图形的是（　　）A．B．C．D．