以所购车辆或其他不动产抵押申请个人汽车贷款的，首期付款额应不少于购车款（）
A、20%
B、30%
C、40%
D、50%
参考答案：B
The prices _________ up all the time and no one knows when it will become stable. [ ]
A. had gone
B. have been going
C. have gone
D. had been going
肝外胆道的解剖特点中，下列哪项是错误的
A．胆囊分为底、体、颈三部B．Oddi括约肌由胰胆管壶腹部括约肌构成C．胆总管下端多与主胰管汇合D．胆囊动脉常有变异
