心电图表现为：提前出现的QRS波群，其前有逆行P波，P-R>0．12秒代偿间歇完全提

贫血伴骨髓细胞外含铁血黄素颗粒及铁粒幼细胞明显减少，最可能的诊断是

A．溶血性贫血
B．铁粒幼细胞性贫血
C．缺铁性贫血
D．再生障碍性贫血
E．营养性巨幼细胞贫血

患者王某，7岁，患急性淋巴性白血病，接受治疗3个月，病情没有改善。医生征求其父母的意见，问是否愿意使用一种价格较贵的新药，其父母经过考虑，表示同意。因为从未使用过这种药物，也不知道这种药物的效果如何，所以医生决定谨慎使用，严格监控，结果表明，使用这种药物后的效果不明显。从医学伦理的角度分析，正确的是（）。

A.医生使用新药，应该征得王某本人的同意

B.该项治疗属试验性治疗

C.效果不明显，与医师使用药物过于谨慎有关

D.因为使用药物后的效果不明显，所以医师的行为不道德

E.医生使用新药物应该征得主管领导批准

A requirement is simply a statement of what the system must do or what characteristics it needs to have. Requirements written from the perspective of user and focus on user needs are called (1). Requirements written from the developer's perspective and describe how the system will be implemented are called (2). Requirements evolve from detailed statements of the business capabilities that a system should have to detailed statements of the technical way in wluch the capabilities will be implemented in the new system. Requirements can be either functional or nonfunctional in nature. For example, during the analysis phase of travel vehicles sales system, the system that must have the ability to search for available inventory is (3). The requirement that the system should be able to work on any Web browser belongs to (4). That customer personal information is protected in compliance with the Data Protection Act is a requirement of (5).

空白（5）处应选择（）

A.system constraint

B.system performance

C.security and control

D.cultural and political

新药除获得国务院药品监督管理部门发给的药品批准文号外，还要有国家审批发给的

A．药品生产许可证
B．GMP认证证书
C．药品经营许可证
D．批准文号
E．新药证书

媒介组织的功能特点是（）

A.突出社会效益

B.突出经济效益

C.社会效益和经济效益的统一

D.社会效益和经济效益的分离