商业银行对其发放的贷款计提贷款风险准备金，这体现了会计信息质量的______要求。
A．重要性B．谨慎性C．真实性D．清晰性
参考答案：B
The Chinese football team had experienced a series of reforms. However, its performances in Shenzhen in October ________ all the people, especially the crazy fans.
A．knocked down
B．let down
C．pulled down
D．brought down
机组处于备用状态，（）是不正确的。
A、主阀在全开
B、水轮机接力器机械锁锭投入
C、风闸在解除状态
D、发电机出口断路器末投入
