应激性溃疡突出的症状是
A．上腹剧痛B．反酸嗳气C．心窝部烧灼感D．突然发生上消化道出血或穿孔E．频繁恶心呕吐
参考答案：D
I was afraid__________to my customers because I was afraid__________them.
A．of talking back；to lose
B．of talking back；of losing
C．to talk back；to lose
D．to talk back；of losing
霍纳综合征的表现有（）
A.患侧上眼睑下垂
B.患侧瞳孔缩小
C.患侧眼球内陷
D.患侧面部少汗
E.患侧皮肤发红
