痴呆可治性病因有哪些()
A.正常压力脑积水
B.神经梅毒
C.甲状腺功能低下
D.颅内占位性病变
E.维生素B12缺乏
参考答案:A, B, C, D, E
口底囊性肿块,切片检查囊壁衬里为鳞状上皮,囊壁结缔组织中有少量慢性炎症细胞浸润,壁外可见少量散在黏液腺泡,应诊断为()
A.黏液囊肿
B.表皮样囊肿
C.舌下囊肿
D.淋巴水瘤
E.皮样囊肿
So far, the population of this city____ over 250 ,000.[ ]
A. is
B. are
C. has been
D. have been