答案：A
— Hello, may I speak to Liming, please?
— I'm sorry, you _____ have the wrong number. There's no one in our office with that name. [ ]
A. may
B. would
C. should
D. must
三十五岁男性，因发热及口腔黏膜糜烂前来就诊，患者自述有不洁性交史。查体：T37．8℃，全身淋巴结肿大，咽部黏膜糜烂，唇黏膜可见多个0．5cm左右灰白色斑块。梅毒血清试验强阳性
以下说法错误的是（）
A.可分为后天梅毒和胎传梅毒
B.后天梅毒主要通过性接触传染
C.一期梅毒的主要症状为硬下疳
D.三期梅毒的口腔黏膜损害主要是三期梅毒舌炎和树胶肿
E.哈坎森牙是二期梅毒的标志性损害
