男性，44岁,一周前上感伴晐嗽，三小时前突然咯鲜血，量达300ml，无胸痛。既往有痰中带鲜血史。査 体：体温37.3。C，血压正常,双肺叩清,右下肺可闻中小水泡音,心尖部可闻III/6级收缩期吹风样杂音。 最可能的诊断

A．Centromeres are sequences located at the ends of each chromosome.
B．Nucleolar organizer regions are portions of chromosomes where ribosomal RNA genes are clustered and transcribed.
C．Telomeres are where sister chromatids adhere to each other and where spindle fibers attach during cell division.
D．Chromosome organization is random in the interphase nucleus.

A.右心衰竭胸水
B.结核性胸水
C.癌性胸水
D.丝虫病性胸水
E.结締组织病性胸水

A.开盘价
B.收盘价
C.最低价
D.最高价