信息库(Repository)中应保存编程阶段的所有成果,包括程序代码、框图、________、测试情况、验收报告和使用说明。
C语言程序中对文本文件的存取是以____________为单位进行的。
企业过程是企业资源转化与资源管理中的有 __________关系的决策和活动。
由美国Macromedia公司开发的集网页制作和管理网站于一身的所见即所得的网页开发工具是______。
将文本型字段“学号”的“格式”属性设置为@一@@@时,则当输入 E001 时,将会显示 _______。
经过拨号方式连入Internet主要有两种方式,分别是_______和SLP/PPP方式。
管理通常分为3个层次,其中高层管理,即________级管理,其主要职能是根据组织内外的全面情况,分析和制定该组织长远目标及决策。
完型填空(本大题共 10 小题,每小题 1 分,共 10 分)从选项中选择一个最适合短文的选项,错选、多选或未选均无分。
Jogging is becoming one of the ___21___ growing activities in the nation. More people are starting jog each year. This, however, is a recent occurrence. It was not long ago __22____ joggers were rare sight. Some people thought that they looked quite strange. As __23____ people began jogging the sight of them became more common. There are many reasons ___24___ a person to take up jogging. First, it is a good form of exercise. This is __25____ it involves the use of many parts of the body. The exercising of the heart is of great benefit. This is one of the most important parts of the human body. If the heart does not get the needed exercise, serious problems can occur. ___26___ reason for jogging is for enjoyment. ___27___ being good for people, it can also be very much fun. Part of the fun of jogging comes from the opportunity it provides for meeting other people who enjoy it. One ___28___ that should be considered ___29___ a person takes up jogging as a form of exercise of enjoyment is that it is not for everyone. People should first check 30 their doctors and be prepared to find another form of exercise if jogging is not recommended.
21. A. fastest B. quickest C. most D. best
22. A. when B. while C. that D. as
23. A. many B. those C. more D. the
24. A. of B. with C. for D. in
25. A. that B. why C. reasonable D. because
26. A. A B. Other C. The other D. Another
27. A. Except B. Except for C. Besides D. Regardless of
28. A. matter B. event C. thing D. occurrences
29. A. of B. that C. what D. when
30. A. out B. over C. on D. with
则 X 的数学期望 E(X)= _________.
试题">设随机变量X的分布律为
则 X 的数学期望 E(X)= _________.
持续的 adj. c_______________