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患者男，67岁，既往有原发性高血压史30年。因“持续性胸骨后疼痛1h”急诊入院。1h前患者午睡后出现胸骨后持续性刀割样疼痛，伴濒死感及大汗淋漓，含服速效救心丸10粒无缓解，“120”送入急诊抢救室。查体：T35.8℃，P108次/min，R21次/min，Bp120/90mmHg。心电图提示急性广泛前壁心肌梗死。在安放鼻导管吸氧的过程中突然出现面色发绀，抽搐，呼之不应，呼吸断续呈叹息样，双瞳孔直径约5mm，对光反射消失，颈动脉搏动消失。下一步的处理有（）（提示：患者经过CPR抢救约10min后，自主循环恢复，仍处于昏迷状态，频繁抽搐，自主呼吸浅促，Bp75/40mmHg。心电监护显示窦性心动过速，频发多源室性期前收缩，有时室性期前收缩成对出现；血气分析示：PaO₂55mmHg，PaCO₂25mmHg，FiO₂50%。）

A. 使用血管活性药物，适当补液、扩容以维持血压，改善重要脏器循环灌注
B. 使用抗惊厥药物控制抽搐
C. 使用胺碘酮等纠正心律失常
D. 纠正电解质和酸碱平衡紊乱
E. 使用抗生素防止继发感染
F. 根据血气分析结果调整呼吸机参数

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You are employed as the Exchange administrator at Company.com.The Company.com network contains Exchange Server 2007 as well as Exchange Server 2010 Hub Transport server.You are responsible for managing the Exchange network for Company.com.You are in the process of creating a moderated distribution group named Research.A Company.com user named Rory Allen is assigned as the moderator of Research.During the course of the week Rory Allen informs you that certain e-mail messages delivered to members of the Research group does not have his approval.You need to make sure that only approved e-mail messages by Rory Allen are delivered to members of the Research group.What should you do？（）

A. This can be achieved by forcing a replication between the domain controllers.
B. This can be achieved by recreating Research as a dynamic distribution group.
C. This can be achieved by changing the expansion server for the Research group.
D. This can be achieved by restarting the MSExchangeTransport Service.

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You are the desktop administrator for your company. All users in the network have Windows XP Professional computers. Users in the research department have dual-processor computers. Users in the research department report that when they run 16-bit Windows programs, their computer performance becomes very slow. You use System Monitor to monitor the users’ computers. You discover that when the users are running their 16-bit applications, one processor shows a sustained utilization of more than 90 percent while the other processor only shows utilization of less than 10 percent. You need to improve application performance for the users in the research department. What should you do?（）

A. Configure each application to run in a separate memory space.
B. Configure each application to run in AboveNormal priority class.
C. For each application, set the compatibility mode to Windows 95.
D. Configure processor affinity for each application to allow it to run on both processors.

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两个基因在染色体离得越远，重组频率越高。

A. 正确
B. 错误

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