脚手架必须配合施工进度搭设,一次搭设高度不应超过相邻连墙件以上()步。
A.1
B.2
C.3
D.4
参考答案:B
神经纤维瘤病属于哪种遗传方式()
A.常染色体显性遗传
B.常染色体隐性遗传
C.X连锁隐性遗传
D.X连锁显性遗传
E.母系遗传
The traditional model for systems development was that an IT department used (1) which is a process-centered technique, and consulted users only when their input or approval was needed. Compared with traditional methods, many companies find that JAD allows key users to participate effectively in the (2). When properly used, JAD can result in a more accurate statement of system requirements, a better understanding of common goals, and a per commitment to the success of the new system. RAD is a team-based techruque that speeds up information systems development and produces a functioning information system. While the end product of JAD is a(an) (3), the end product of RAD is the (4). The RAD model consists of four phases. During the (5), users interact with systems analysts and develop models and prototypes that represent all system processes, outputs, and inputs.
空白(1)处应选择()
A.structured analysis
B.object-oriented analysis
C.prototype analysis
D.process analysis