（）是建立在对获得信息的定性和定量的分析，主观的判断在评级过程中是不可或缺的。
参考答案：资信评级
现场使用的防气措施有哪几种？
(2013·高考浙江卷)I ________ myself more－it was a perfect day.
A．shouldn’t have enjoyed
B．needn’t have enjoyed
C．wouldn’t have enjoyed
D．couldn’t have enjoyed
