高度危险环境是指特别潮湿（相对湿度接近100%）、有腐蚀性气体、有蒸汽或游离物的环境。
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根据JG135-2000《杂物电梯》规定，悬挂轿厢和对重的钢丝绳或链条的安全系数不应小于（）。
A. 8
B. 10
C. 12
D. 16
如果银行采用监管当局的违约损失率和违约风险暴露的估算值，可见，该银行使用的是（）
A. 内部评级初级法
B. 内部评级高级法
C. 巴塞尔新资本协议标准法
D. 以上都不对
我们每个人要追求和确立的人生目的，必须符合历史发展客观规律和人民群众的根本利益。
A. 正确
B. 错误
Which three practices are important to the implementation of a DiffServ QoS architecture？（）
A. Because services are allocated throughout the network before the transmission of data begins， traffic classes can be guaranteed QoS services.
B. Traffic classes are marked with Layer 2 markings to allow for more granularity in identifying traffic classes.
C. Traffic classes are marked with Layer 3 markings to allow them to traverse different network types without loss of QoS information.
D. Traffic classes allow networks to provide proper QoS treatment of packets without applications having to request services.
E. Based upon the network capabilities， QoS markings are placed on packets as needed throughout the network to allow for proper QoS treatment of packets.
F. QoS markings are placed on packets as close to the network edge as possible to allow distribution and core devices to determine QoS actions as quickly as possible.
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