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Why is ______ fun What delights may its practitioner expect as his reward First is the sheer joy of making things. As the child delights in his mud pie, so the adult enjoys building things, especially things of his own design. Second is the pleasure of making things that are useful to other people. Third is the fascination of fashioning complex puzzle-like objects of interlocking moving parts and watching them work in subtle cycles, playing out the consequences of principles built in from the beginning. Fourth is the joy of always learning, which springs from the ______ nature of the task. In one way or another the problem is ever new, and its solver learns something:sometimes ______, sometimes theoretical, and sometimes both. Finally, there is the delight of working in such attractable medium. The ______, like the poet, works only slightly removed from pure thought-stuff. Few media of creation are so flexible, so easy to polish and rework, so readily capable of realizing grand conceptual structures. Yet the program ______, unlike the poet’s words, is real in the sense that it moves and works, producing visible outputs separate from the construct itself. It prints results, draws pictures, produces sounds, moves arms. Programming then is fun because it gratifies creative longings built deep within us and delights sensibilities we have in common with all men. 以像素点阵形式描述的图像称为______。

A. 位图
B. 投影图
C. 矢量图
D. 几何图

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Why is ______ fun What delights may its practitioner expect as his reward First is the sheer joy of making things. As the child delights in his mud pie, so the adult enjoys building things, especially things of his own design. Second is the pleasure of making things that are useful to other people. Third is the fascination of fashioning complex puzzle-like objects of interlocking moving parts and watching them work in subtle cycles, playing out the consequences of principles built in from the beginning. Fourth is the joy of always learning, which springs from the ______ nature of the task. In one way or another the problem is ever new, and its solver learns something:sometimes ______, sometimes theoretical, and sometimes both. Finally, there is the delight of working in such attractable medium. The ______, like the poet, works only slightly removed from pure thought-stuff. Few media of creation are so flexible, so easy to polish and rework, so readily capable of realizing grand conceptual structures. Yet the program ______, unlike the poet’s words, is real in the sense that it moves and works, producing visible outputs separate from the construct itself. It prints results, draws pictures, produces sounds, moves arms. Programming then is fun because it gratifies creative longings built deep within us and delights sensibilities we have in common with all men. ______是指系统或其组成部分能在其他系统中重复使用的特性。

A. 可扩充性
B. 可移植性
C. 可重用性
D. 可维护性

The majority of people, about nine out of ten, are right-handed. (1)_____ until recently, people who were left-handed were considered (2)_____ and once children showed this tendency they were forced to use their right hands. Today left-handedness is generally (3)_____, but it is still a disadvantage in a world (4)_____ most people are right-handed. For example, most tools and implements are still (5)_____ for right-handed people. In sports (6)_____ contrast, doing things with the left hand or foot, is often an advantage. Throwing, kicking, punching or batting from the" (7)_____ "side may result in throwing (8)_____ many opponents who are more accustomed to dealing with the (9)_____ of players who are right-handed. This is why, in many (10)_____ at a professional level, a (11)_____ proportion of players are left-handed than in the population as a whole. The word "right" in many languages means "correct" or is (12)_____ with lawfulness, whereas the words associated (13)_____ "left", such as "sinister", generally have (14)_____ associations. Moreover, among a number of primitive peoples, there is (15)_____ close association between death and the left hand. In the past, in (16)_____ western societies, children were often forced to use their right hands, especially to write with. In some cases the left hand was (17)_____ behind the child"s back so that it could not be used. If, in the future, they are allowed to choose, (18)_____ will certainly be more left-handers, and probably (19)_____ people with minor psychological disturbances as a result of being forced to use their (20)_____ hand.

A. when
B. that
C. where
D. which

Why is ______ fun What delights may its practitioner expect as his reward First is the sheer joy of making things. As the child delights in his mud pie, so the adult enjoys building things, especially things of his own design. Second is the pleasure of making things that are useful to other people. Third is the fascination of fashioning complex puzzle-like objects of interlocking moving parts and watching them work in subtle cycles, playing out the consequences of principles built in from the beginning. Fourth is the joy of always learning, which springs from the ______ nature of the task. In one way or another the problem is ever new, and its solver learns something:sometimes ______, sometimes theoretical, and sometimes both. Finally, there is the delight of working in such attractable medium. The ______, like the poet, works only slightly removed from pure thought-stuff. Few media of creation are so flexible, so easy to polish and rework, so readily capable of realizing grand conceptual structures. Yet the program ______, unlike the poet’s words, is real in the sense that it moves and works, producing visible outputs separate from the construct itself. It prints results, draws pictures, produces sounds, moves arms. Programming then is fun because it gratifies creative longings built deep within us and delights sensibilities we have in common with all men. 原型化方法适用于______的系统。

A. 需求不确定性高
B. 需求确定
C. 分时处理
D. 实时处理

Why is ______ fun What delights may its practitioner expect as his reward First is the sheer joy of making things. As the child delights in his mud pie, so the adult enjoys building things, especially things of his own design. Second is the pleasure of making things that are useful to other people. Third is the fascination of fashioning complex puzzle-like objects of interlocking moving parts and watching them work in subtle cycles, playing out the consequences of principles built in from the beginning. Fourth is the joy of always learning, which springs from the ______ nature of the task. In one way or another the problem is ever new, and its solver learns something:sometimes ______, sometimes theoretical, and sometimes both. Finally, there is the delight of working in such attractable medium. The ______, like the poet, works only slightly removed from pure thought-stuff. Few media of creation are so flexible, so easy to polish and rework, so readily capable of realizing grand conceptual structures. Yet the program ______, unlike the poet’s words, is real in the sense that it moves and works, producing visible outputs separate from the construct itself. It prints results, draws pictures, produces sounds, moves arms. Programming then is fun because it gratifies creative longings built deep within us and delights sensibilities we have in common with all men. 对高级语言源程序进行编译时,可发现源程序中的______错误。

A. 堆栈溢出
B. 变量未定义
C. 指针异常
D. 数组元素下标越界

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