某患者五日前阴囊碰伤,现感右侧阴囊不适,超声声像图如下,最可能的诊断为()
A.睾丸血肿
B.精原细胞瘤
C.睾丸炎
D.睾丸扭转
E.睾丸脓肿
参考答案:A
The bag is too small. Give me _____, please. [ ]
A. a big
B. big one
C. a bigger one
D. biggest
井下平巷人行车乘车人员应遵守哪些规定?