十二指肠球部溃疡()
A.上腹部钻顶样痛
B.上腹部刀割样痛伴腹肌紧张
C.右上腹绞痛
D.上腹部烧灼痛伴反酸
E.中上腹持续性剧痛,阵发性加剧
参考答案:D
We can't imagine ____ in the entrance examination, for she has never been to school.
A she succeeding B her succeeding C she succeed D her to succeed
锅炉、压力容器、电梯、起重机械的使用有何基本要求?其修理资质是怎样规定的?