曝光时，X线管和探测器不动，而床带动病人动，称其（）
A.增强扫描
B.定位扫描
C.连续扫描
D.动态扫描
E.重叠扫描
参考答案：B
_________ a bottle of milk, some hot dog ,and hamburgers on the table.[ ]
A. There are
B. There is
C. There have
D. There has
土地使用权的出让采用四种方式？
