某患者目前已诊断明确，但其坚决否认本身有疾病存在，这位患者角色行为的改变属于 A．角

，原来制作透明板的材料是[ ]

A.金属材料

B.天然纤维

C.合成材料

D.天然橡胶

The analysis phase answers the questions of who will use the system，what the system will do，and where and when it will be used．During this phase，the project team investigates any current system，identifies （），and develops a concept for the new system．This phase has three steps：first，（） is developed to guide the project team’s efforts．It usually includes an analysis of the current system and its problems，and the ways to design a new system．The next step is （）．The analysis of this information-in conjunction with input from the project sponsor and many other people-leads to the development of a concept for a new system．The system concept is then used as a basis to develop a set of business analysis models that describes how the business will operate if the new system were developed．The set of models typically includes models that represent the （） necessary to suppor the underlying business process．Last，the analyses，system concepts，and models are combinedin to a document called the （），which is presented to the project sponsor and other key decision makers that decide whether the project should continue to move forward．

first，（） is developed to guide the project team’s efforts．It usually includes an analysis of the current system and its problems，and the ways to design a new system．

A．a user manual

B．an analysis strategy

C．an analysis use case

D．a design user case

在非快速眼动期（NREM）睡眠的第3-4期突然出现惊叫、哭喊，伴有惊恐表情和动作，同时有定向力障碍，历时10多分钟。清醒后对夜间发作不能回忆。可诊断为（）。

A.失眠症

B.睡行症

C.睡眠呼吸暂停综合征

D.夜惊

E.梦魇

¹⁸F-FDG用于PET脑葡萄糖代谢显像，主要由于脱氧葡萄糖较葡萄糖（）

A.进入脑组织快

B.进入脑组织多

C.在脑内代谢氟脱氧葡糖-6-磷酸（FDG-6-P）能进一步代谢

D.在脑内代谢产物FDG-6-P不能进一步代谢

E.在脑内清除快

在接种率统计中，什么叫应种人数？