引起植物侵染性病害的病原物有()、()、()、()、和()。
参考答案:真菌、病毒和类病毒、原核生物、线虫、寄生性植物
以下何项不是真心痛的表现()
A.心痛剧烈持久
B.休息或用药后可以缓解
C.伴汗出肢冷,面白唇紫
D.常出现脉结代、促
E.严重者危急生命
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. law B. discipline C. plan D. evaluation