六(3)班今天的出勤率是l03%.______.
出勤率=实际出勤人数应出勤人数×100%,因为全部出勤,
出勤率是100%,所以出勤率小于或等于100%.
故答案为:×.
-When __________ he have P.E?
-He __________ it on Wednesday.[ ]
A. does, have
B. does, has
C. is, has
根据《中国移动900/1800MHzTDMA数字蜂窝移动通信无线网工程验收规范》,镀锌扁钢接地时,推荐搭接长度不小于()倍扁钢宽度且三面围焊,以确保搭接电阻小于0.1Ω。
A.1
B.2
C.3
D.4