George couldn’t remember when he first met Mr. Anderson, but he was sure it was __________ Sunday because everybody was at __________ church.

A．不填; the

B．the; 不填

C．a; 不填

D．不填; a

中年男性，突发恶心，头晕，呕新鲜血 1 000ml，出虚汗，无腹痛，查体：BP10/8kPa，巩膜无黄染，心率120次/分，腹软，无压痛，肝脾未触及，最可能的诊断是

A．十二指肠溃疡

B．食管静脉曲张破裂

C．胃癌

D．Mallory-Weiss综合征

E．急性胃黏膜病变