心理压力的表现形式是（）、（）和（）。
为摆脱软件危机的影响，管理信息系统的研制必须走 __________的道路。
Can you offer us machine tools ___ the following specification?
He said that he ____ (feed) up with college instructors who tried to teach him to use the “ scientific
瀑布模型规定了各开发阶段的活动：系统需求、软件需求、__________、设计、__________、测试和运行。
With an appropriate relative pronoun My brother speaks English fluently, ________ I don ’t.
系统设计阶段，最终需要交付 __________ ，作为系统实施阶段的“施工图样“。
费斯廷格提出了（）理论。
8421码是一种____码，余3码是一种____码。
When you were in London, did you visit ________________ Tower, too?