在处理贷记调整业务中,每笔交易可以进行()贷记调整,且调整金额()原始交易金额。
A.两次;不小于
B.一次;等于
C.一次;不大于
D.最多两次;小于
参考答案:C
The place was so beautiful that her husband could not stop ____ photos. He took two hundred photos
that day! [ ]
A. to show
B. showing
C. taking
D. to take
关于特征X线的叙述,正确的是()
A.X线波长仅与管电压有关
B.外层轨道电子跃迁产生X线为特征X线
C.X射线谱是连续能量谱
D.电压升高特征放射能量增加
E.管电压升高特征射线的百分比减少