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问题 配伍题 B型题

腹隐痛3个月，突发上腹剧痛4小时，全腹肌紧张，上腹压痛，反跳痛明显，为明确诊断首选哪项检查()
贫血消瘦4个月，大便潜血试验强阳性。上腹隐约触及一包块，为明确诊断首选哪项检查()

A．胃镜检查

B．胃液脱落细胞学检查

C．X线立位腹平片

D．腹腔穿刺涂片检查

E．腹部B超

答案

参考答案：C,A

单项选择题

Quality assurance(QA) ______ .

A．is the application of planned, systematic quality activities to ensure effective policing of the conformance of the project team to approved specifications

B．is primarily concerned with providing the project team and stakeholders with standards, by which the project performance is measured

C．is the application of planned, systematic quality activities to ensure that the project will employ all processes needed to meet requirements

D．generally reduces the probability of project completion on schedule
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单项选择题

在某些情况下，静变流机由谁供电：（）.

A.热汇流条1和热汇流条2

B.热汇流条1

C.直流电瓶汇流条
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