]扫描仪可以将图像扫描到计算机中，是一种常见的图像输入设备。
参考答案：对
一部影片在4个单位轮映，每一单位放映一场，有（）种轮映次序。
A．6
B．12
C．24
D．48
Different areas of the country ______ own customs.[ ]
A. have their
B. have its
C. has their
D. has its
