用原始数据经计算而得到影像数据的过程称为（）
A.模数转换
B.数模转换
C.重建
D.滤波
E.量化
参考答案：C
Each boy and girl as well as some teachers who ______ to visit Hengshui Middle School in Hebei Province ______ asked to be at the bus station at 6:30.
A．are/is
B．are/are
C．is/are
D．is/is
观看排球比赛有哪些礼仪要求？
