问题:
[不定项选择题]
第一篇UlcersEven though ulcers appear to run in families,lifestyle plays more of a role than genetic (基因的)factors in causing the illness, according to a report in the April 13th issue of Journal of Inter
A、shared exposure to
B、pyloni.
C、smoking.
D、stress.
试题来源参考:河南成人高考题库,青书学堂学习平台,专升本层次,医学检验技术专业,第1学期,大学英语1题库,函授题库