确诊的检查方法为
A．CT检查
B．B超检查
C．KUB+IVP
D．DSA
E． * * 造影检查
参考答案：E
计算-2+（-2）2+（-2）3-23的结果是[ ]
A.-8
B.-6
C.-14
D.0
Helen got up too late this morning, so she went to school _____ breakfast.
A．without
B．through
C．by
D．for
