胆总管探查指征中哪条是错误的
A．胆囊萎缩者B．多发性胆囊结石者C．过去或现在有黄疸病史者D．胆总管扩张E．胆总管摸到异物或块状物者
参考答案：A
----Can you attend tomorrow’s meeting?
----I am sorry , but I will have too much work__________．
A．to see to to come
B．seeing to come
C．to see to coming
D．doing to come
个体经济与私营经济的根本区别是
A．是否以雇佣劳动为基础
B．经济规模的大小
C．劳动生产率的高低
D．是否以盈利为目的
