Many of the activities performed during the preliminary investigation are still being conducted in（1）,but in much greater depth than before. During this phase, the analyst must become fully aware of the（2）and must develop enough knowledge about the（3）and the existing systems to enable an effective solution to be proposed and implemented. Besides the（4）for process and data of current system, the deliverable from this phase also includes the（5）for the proposed system.

5.见题干（）

A. hardware and software specification

B. system performance specification

C. formal requirements definition

D. general problem statement

下列各句没有语病且表意明确的一句是：

A．改革开放29年来，我们的国家沿着建设有中国特色社会主义方向前进，取得了丰硕的成果。

B．素有“岭南才子”之称的刘斯奋，以他的长篇小说《白门柳》摘取了中国当代文学的最高奖——茅盾文学奖。

C．古往今来，凡成才者，没有一个不承受压力的。没有压力，难以成才；但决不是只要施加压力，就能使人成才。

D．张老先生家中藏书丰富，为了查找写论文的材料，我把他家中珍藏的古书几次借回家中详细翻阅。