题目内容

螺纹联接中,当两个被连接件不太厚时,宜采用()

A. 双头螺柱连接
B. 螺栓连接
C. 螺钉连接
D. 紧定螺钉连接

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患者男,7岁,主“因遗尿4年,加重6个月”来诊。患儿平素易感冒,白天小便次数较多,夜间遗尿,每晚1~2次,呼之难醒,面色无华,食欲不振,大便溏薄。舌偏淡,脉缓细。查体:一般可,咽(-),心肺(-),腹软,肝脾未触及,外阴无包茎、无畸形。治疗药物可选用()

A. 去氨加压素
B. 抗胆碱能药
C. 中枢兴奋药
D. 三环类抗抑郁药
E. β-受体阻滞剂
F. 钙通道阻滞药

患者男性,40岁。昨日进食海产品,今日开始较频繁腹泻,水样便,继之呕吐,但无腹痛,不发热,口渴。腓肠肌疼痛,查体:体温36℃,脱水,呼吸平稳,心肺正常,腹平软、无压痛,四肢微凉。血象:WBC20.0×109/L,粪便镜检:WBC0~2/HP。为明确诊断应立即进行哪项检查()

A. 血常规
B. 血培养
C. 血生化
D. 大便悬滴+快速增菌培养
E. SS培养基大便分离培养

You are the network administrator for You administare a Windows Server 2003 computer named TestKing12. TestKing12 has a single disk. The disk is configured so that it has four primary partitions, which are formatted as FAT32. The disk also has unallocated space available. You need to use the unallocated disk space to store user data. What should you use?()

A. Convert all existing partitions to NTF
B. Using Diskpart.exe, run the create command.
Convert the disk to a dynamic disk, and create a new volume.
D. Using Diskpart.exe, run the extend command.

某企业原年产量为100万件产品,为了降低成本,减少损耗,拟实施一项技术改造项目,预计需要新增投资2000万元,拆除旧厂房设备会损失400万,其残值为80万元。改造完成后,每件产品成本由原来150元降至120元,假设标准投入效益系数为0.3。该企业实施的技术改造总投资额为()

A. 2400
B. 2000
C. 2320
D. 2480

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