女,41岁,鼻腔流脓涕3年,鼻部面部肿胀1年,近来加重,MRI检查如图,最可能的诊断是()
A.鼻腔内囊肿
B.鼻腔内出血
C.鼻腔软骨瘤
D.鼻咽癌
E.鼻腔血管瘤
参考答案:C
–I argued with my best friend. What should I do?
--If I ________ you, I would say sorry to her.
A.am
B.was
C.are
D.were
已知复数z满足(2-i)z=5(i是虚数单位),则|z|=______.