患者男性，10岁。自动有外伤后出血不止病史。实验室检查：血红蛋白110g/L，白细胞5.0乘以十的九次方/L，血小板101乘以十的九次方/L，出血时间、凝血时间正常，KPTT80秒(正常对照30秒)，被正常血清纠正，不能被钡吸附正常血浆纠正
该病人的诊断为
A. 血友病A
B. 血友病B
C. 血管性血友病
D. 遗传性FⅪ缺乏症
E. 肝病后维生素K缺乏症
查看答案
Municipal bonds are issued by______.
A. the central government
B. local governments
C. any corporation that does greater than 25 percent of its average annual business with the federal government
D. major corporations
The holder of preference shares has preference over the ordinary shareholders under the following circumstances:______.
A. his voting rights are considered more important
B. he considers his voting rights more important
C. he has the greater right in choosing the board of directors
D. he has the right to buy ordinary shares more cheaply
Which of the following features is common to most capital market instruments？______.
A. Their ownership gives a right to appoint directors to the board of the issuer.
B. They are used to finance short-term needs for the issuers.
C. They are sold directly to investors.
D. They entitle the purchaser to a fixed amount of income.
若患者发生aGVHD，应首选的药物是
A. 环孢素
B. 泼尼松
C. 抗肿瘤坏死因子抗体
D. 甲泼尼龙
E. ATG
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