患者面颊部肿块如鸡蛋大小,质软如棉,表面紫红,按之缩小,放手即复原,应首先考虑的诊断是()
A.表皮样瘤
B.纤维瘤
C.神经纤维瘤
D.血管瘤
E.脂肪瘤
参考答案:D
脑筋急转弯。
1. What question can never be answered by "yes" ?
Answer: _ .
2. What tree is always very sad?
在下图刊物上发表过文章的有
①陈独秀②鲁迅③郭沫若④李大钊 [ ]
A.①②③
B.②③
C.①②④
D.①②③④