下列哪项可用于腺周口疮和结核性溃疡的鉴别诊断
A.有无自限性B.有无疼痛C.有无伪膜D.发病年龄E.是否吸烟
参考答案:A
解析:腺周口疮有自限性,结核性溃疡无自限性。这是鉴别点。
The shop is ________. Let's go to buy some food. [ ]
A. open
B. close
C. opened
D. closed
复合地基