根据债券风险性大小,风险由小到大,下列排列正确的是()
A. 中央政府债券、地方政府债券、企业债券
B. 地方政府债券、中央政府债券、企业债券
C. 企业债券、地方政府债券、中央政府债券
D. 企业债券、中央政府债券、地方政府债券
听力原文: With 10 weeks to go before the international Olympic Committee decides on the venue of the 2012 Olympic Games, the organizers of London's bid bas withdrawn a package of incentives aimed at improving the city's chances of hosting them. The package included help with training and transport costs for athletes. The London bid team says it has withdrawn the incentives after the IOC warned that the selection process should not be turned into a bid- ding war.
What can we know about the package of incentives?
A. They aimed at winning the Londoners' support.
B. Athlete training is included in the package.
C. Transport costs are not covered in them.
D. The package is launched l0 weeks before the d
股票指数期货交易的交易对象是()
A. 股票
B. 股票价格
C. 股票信用
D. 股票价格指数
与股票市场的参与者相比,债券发行市场上多了一个保证人和()
A. 发行人
B. 中介机构
C. 投资人
D. 签证人