一May I have a glass of beer．please?

一Beer?Sorry，there is    left，but would you mind having,some juice instead?

A none    B．no one    C nothing   D few

胃十二指肠溃疡急性穿孔最重要的诊断依据是______

A．上腹部刀割样剧痛
B．肝浊音界缩小
C．X线检查可见膈下游离气体
D．腹式呼吸音减弱
E．板状腹