诊断类风湿性关节炎最有价值的是()诊断风湿活动期最有价值的是()
A. 类风湿因子阳性
B. 血沉增快
C. 补体C3增高
D. 白胞计数减少
E. 血常规正常
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简析巴金《爱尔克的灯光》中灯光所包含的复杂象征意蕴及其艺术作用。
在施工人员扶好平台围栏时,平台可以移动到其它施工地点,平台移动中或在不平稳的情况下禁止使用。
A. 正确
B. 错误
Acustomer RFP requires installation of an open system SAN and migration of 40 TBs currently residing on ten UNIX servers (on native server disk). The Service Level Agreement (SLA) requires no more than five minutes per week of planned downtime for backup. Which IBM System Storage solution should the sales specialist propose()
A. an IBM System Storage DS8100 with TS1120 Tape Drive
B. an IBM System Storage DS8100 with FlashCopy
C. an IBM System Storage DS6800 with TS7510 Virtualization Engine
D. an IBM System Storage DS6800 with FlashCopy
热轧钢材采用的冷却方式有哪些?空冷适用于哪些钢种?