慢性胃溃疡经久难愈的局部因素主要是()
A.局部溃疡过大
B.局部溃疡过深
C.溃疡周边组织水肿
D.溃疡底部神经纤维变性、断裂
E.溃疡底部小动脉增生性内膜炎
参考答案:E
— We must thank you for taking the trouble to cook us a meal.
— ____. [ ]
A. With pleasure
B. It doesn't matter
C. It was no trouble at all
D. By all means
鹅湖之会