搜题请搜索小程序“爱下问搜题”
问题 单项选择题

二尖瓣关闭不全M型超声心动图时检查时哪项表现有错误（）

A.二尖瓣叶增厚、活动受限

B.关闭时二尖瓣叶不能合拢

C.左心房及左心室增大

D.左心室壁运动增强

E.左心房、右心室增大

答案

参考答案：A

判断题

复式记账法就是指在两个或两个以上的账户中进行记录的方法。( )
查看答案
单项选择题

Developing reliable software on time and within (1) represents a difficult endeavor for many organizations.
Usually business solutions have three main aspects:people, (2) , and technology.The main reason for failing software projects has little to do with technology and tools, and much to do with lack of process (3) . Experience has shown that introducing new technology and tools in an immature or undisciplined environment is likely to increase the chaos. CASE tools are not enough. "A fool with a tool is still a fool!"
Structured method was the first wave of the software industry. This was the beginning of transforming software development from a " (4) industry" to mass production.Software process movement if the second wave in the software industry.The process maturity movement prepares the way for the third wave of the software industry: "software industrialization". Software development will become like an assembly and manufacturing process. A critical enabling factor is a disciplined software engineering process with predictable quality, (5) and functionality.

A. forecast B. preparationC. budget D. economy
查看答案