Which of the following bonds has the lowest chance of default？______.
A corporate bond issued by General Motors
B. A municipal bond issued by the State of Texas
C. A zero-coupon bond issued by IBM
D. A U.S. Treasury bond
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Business firms raise money by selling______.
A. currency
B. cash
C. demand deposits
D. both stocks and bonds
Which of the following would you classify as capital market instruments？______.
A. Fixed-rate securities convertible into shares in a bank
Bank loans
C. Bank deposits
D. None of the above
患者：男性，40岁，因患慢性粒细胞白血病而进行异基因骨髓移植，在移植后6周时，突然出现胸闷、气短、唇紫绀，测T39.2℃，胸片显示肺部弥漫性间质性改变。
为预防aGVHD，可用下列哪种方法
A. 波尼松与环孢素隔日交替使用
B. 氨甲蝶呤与环孢素联合应用
C. 甲氧沙林
D. 沙利度胺
E. 浅淋巴照射
对该患者治疗应首选
A. 雄性激素
B. 脾切除术
C. 维生素K
D. 糖皮质激素
E. 免疫抑制剂
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