题目

计算：﹣（2﹣）﹣（π﹣3.14）0+（1﹣cos30°）×（）﹣2； 答案：﹣（2﹣）﹣（π﹣3.14）0+（1﹣cos30°）×（）﹣2 =﹣2﹣1+（1﹣）×4 = =；As a student, you should try to ______ being late for your class.A.avoidB.refuseC.preventD.punish