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设天平称量误差为±0.2mg。现欲配制浓度均为0.01000mol·L -1 的(coon)2及KHC 8 H 4 O 4 标准溶液各1L，用以标定NaOH溶液。计算需称取(COOH) 2 及KHC 8 H 4 O 4 质量的相对误差各为多少?计算结果说明什么?{M[(COOH) 2 ]=90.038g·mol -1 ，M(KHC 8 H 4 O 4 )=204.22g·mol -1 }
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A.
负责征地拆迁
B.
各分部的成本管控
C.
负责三级技术交底
D.
编制深基坑安全专项方案
E.
对各分部质量管理进行考核
F.
编制项目融资方案
【单选题】Which statement describes VRRP object tracking?（）
A.
It monitors traffic flow and link utilization.
B.
It ensures the best VRRP router is the virtual router master for the group.
C.
It causes traffic to dynamically move to higher bandwidth links
D.
It thwarts man-in-the-middle attacks.
【简答题】Audrey Hepburn（奥黛丽·赫本）won an Academy Award as Best Actress for her first major American movie, Roman Holiday, which was released in 1953,But she is remem bered as much for her aid work as for her acti...
【单选题】Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You shoul...
A.
the highest standard of green building design
B.
the application of advanced energy technology
C.
efficiency of using energy
D.
safe clean on-site generation of power
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