黏液脓血便见于（）
A．上消化道出血
B．阿米巴痢疾
C．痔或肛裂
D．急性细菌性痢疾
E．急性出血性坏死性肠炎
参考答案：D
The kid isn't old enough to go to school.
A．is not too young to go to school
B．is too young to go to school
C．is so young that he can go to school
D．can go to school
男性，舌背黏膜反复溃烂，疼痛不适，下肢皮肤可见多角形的丘疹，呈紫红色，界限清楚，表面可见Wickham纹，指甲增厚，最可能的诊断是
A．扁平苔藓B．萎缩性舌炎C．盘状红斑狼疮D．先天性角化病E．瘢痕性类天疱疮
