— How did you go to Shanghai?
— ___________[ ]
A. By train.
B. Yesterday.
C. Great!
答案:A
应激
鼻腭管囊肿的病理特征是()
A.纤维囊壁中含有较多淋巴滤泡
B.纤维囊壁中含有较多的上皮团块
C.纤维囊壁中含有较大的血管和神经束
D.纤维囊壁中含有较大的淋巴管
E.纤维囊壁中含有较多的皮脂腺