临床疑诊患者为原发性肝癌，首选检查方法是（）.
A.CT
B.核磁共振
C.B超
D.肝功能检查
E.动脉造影
参考答案：C
() today, he would get there by Friday.
A. Would he leave
B. Was he leaving
C. Were he to leave
D. If he leaves
外部帐号共21位1-3位为地区号4-9位为（）。
A.开户识别位
B.帐户标志码
C.帐户顺序号
D.校验位
