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【单选题】
A customer plans to consolidate several systems onto POWER7. Their immediate requirement is to have a single Power 770, and they will buy a second Power 770 at a later stage. They want to keep their existing three POWER5 570s and three POWER6 520s which are all managed by an HMC (7310-CR3). Which of these statements is true and would minimize the cost?（）A.
All the machines can be connected to the existing HMC, as long as it is updated to code level 7.7.1 or later
B.
The Power 770 requires an HMC (7042-CR5 or later), so they must buy one. All of the systems can be managed by this new HMC
C.
They should buy a new HMC for the Power 770 system, and leave the POWER5 and POWER6 based systems connected to the existing one
D.
The Power 770 requires an HMC, so they should connect the Power 770 to the HMC and convert the POWER5 and POWER6 based servers to IVM
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举一反三
【单选题】分布在心脏上的胆碱受体主要是()受体;分布在心脏上的肾上腺素受体主要是()受体。
A.
M1；α1
B.
M2；α1
C.
M1；β1
D.
M2；β1
E.
M2；β2
【单选题】盐酸萘乙二胺分光光度法测定固定污染源排气中的氮氧化物,要按照()的顺序连接好采样系统,并检查其密封性和可靠性。连接管用聚四氟乙烯软管或内衬聚四氟乙烯薄膜的乳胶管且尽可能短。1样品吸收装置2采样管3抽气泵4流量计量装置
A.
①②③④
B.
②①③④
C.
②①④③
D.
①②④③
【简答题】本学期所学规范中,哪本印象最深,标明目录及主要内容,并写出学后感。
【简答题】盐酸萘乙二胺比色法或Saltzman法中三氧化铬-石英砂氧化分光光度法测定环境空气中氮氧化物时，三氧化铬—石英砂氧化管使用的最适宜相对湿度范围为（）％，氧化管中三氧化铬—石英砂应该是松散的，若沾在一起，说明三氧化铬（），应重新配制。