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简述无线局域网的主要优点及不足之处。

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专业技术人员奉献社会，就意味着不要个人幸福。

A. 正确
B. 错误

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团体极化是指人们在团体中进行决策较个人决策（）的现象。

A. 积极性更高
B. 积极性更高或更低
C. 冒险性更高或更低
D. 冒险性更高

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You are the network administrator for . The network consists of single Active directory domain. The domain contains a Windows Server 2003 domain controller named TestKing3. The securews.inf security policy has been applied to the domain. A network application requires a service account. The network application runs constantly. You create and configure a service account named SrvAcct for the network application. The software functions properly using the new account and service. You discover an ongoing brute force attack against the SrvAcct account. The intruder appears to be attempting a distributed attack from several Windows XP Professional domain member computers on the LAN. The account has not been compromised and you are able to stop the attack, you restart Server6 and attempt to run the network application, but the application does not respond.（）

A. Reset the SrvAcct password,
B. Configure the default Domain Controllers policy to assign the SrvAcct account the right to log on locally.
C. Unlock the SrvAcct account.
D. Restart the NetAppService service.

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患者男性，25岁，婚后未采取避孕措施，有规律性生活未育1年以上，既往体健，无高血压、糖尿病、心脏疾病史，无结核、腮腺炎病史，无食用棉花籽油史。妻子体检正常，排卵正常，输卵管通畅。查体：睾丸大小正常，双侧附睾可及结节，输精管光滑无结节，阴茎勃起功能正常。该患者目前的可能诊断是（）。【提示】精液常规检查确定为无精症。睾丸体积左12.0ml。右11.5ml，性激素检查：促卵泡激素（FSH）6.35U/L（参考值：1.24～8.62U/L），黄体生成素（LH）8.19U/L（参考值：1.27～19.26U/l），雄激素（TES）4.02μg/L（参考值：1.75～7.81μg／L），雌激素（E2）41.5pmol/L（参考值：20～47pmol/L）正常范围，睾丸附睾的彩超提示附睾肿大，睾丸活检：可见成熟精子。

A. 睾丸生精功能障碍
B. 梗阻性无精症
C. 性腺功能障碍
D. 附睾炎
E. 精索静脉曲张
F. 内分泌疾病

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