在某特定时间内，总人口中曾患有某病所占的比例称为
A．发病率B．罹患率C．患病率D．发病专率E．续发率
参考答案：C
My father is handsome and________,but sometimes he is not________me.[ ]
A. energy; patient to
B. energetic; patient to
C. energy; patient with
D. energetic; patient with
男性，34岁，因左肱骨及双股骨开放性骨折手术，4天后突发腹胀痛，呕鲜血500ml，上腹部轻压痛，无溃疡病和肝炎史，应考虑为
A．胃穿孔
B．出血性胃炎
C．胃十二指肠溃疡出血
D．食管胃底静脉曲张破裂出血
E．胃底癌出血
