在法人客户评级模型中，( )通过应用期权定价理论求解出信用风险溢价和相应的违约率。
A．Altman的Z计分模型
B．Risk Calc模型
C．Credit Monitor模型
D．死亡率模型
参考答案：C
解析： Credit Monitor模型、Z计分模型和Risk Calc都是用影响因子做回归来计算违约概率，不同的是，Risk Calc模型的因子是用统计方法精挑细选出来的。死亡率模型是用历史违约数据计算一定信用等级的供求或债券的违约概率。
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| My hobby is playing chess-one of the greatest games in the world．My mum taught me __1__ to play when I was seven years old．She__2__ me every time for the first year．But then, on my __3__ birthday, I won for the first time．Now I am always the winner between us． It takes about a day．To learn tile rules. __4__ if you want to be good,you have to practice for years．You don't need much to play chess. just a chess set and someone to play with． Chess sets __5__ be very cheap,or quite expensive．Some people collect chess sets as a hobby, but I __6__ to play． There is a chess club in my schoo1．We meet every week to play each other．I am the best __7__ in the club, and the captain of the school chess team．This year we __8__ . the all England Schools' Championship (冠军)．I had to go up on stage (舞台) in f  ront of the whole school to collect the prize．I'm saving up my money to buy a chess __9__ ．It's very good for practice．That way I'll __10__ have someone to play with, and I'm sure I'll make more progress． | |||
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