● Why is （71） 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 （72） nature of the task. In one way or another the problem is ever new, and its solver learns something: sometimes （73） , sometimes theoretical, and sometimes both. Finally, there is the delight of working in such a tractable medium. The （74） , 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 （75） , 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, oves arms. Programming then is fun because it gratifies creative longings built deep within us and delights sensibilities we have in common with all men.

（71）A. programming B. composing C. working D. writing （72）A. repeating B. basic C. non-repeating D. advance （73）A. semantic B. practical C. lexical D. syntactical （74）A. poet B. architect C. doctor D. programmer （75）A. construct B. code C. size D. scale

參考答案　　（71）A（72）C（73）B（74）D（75）A參考譯文　　編程為什么有趣？作為回報，其從業者期望得到什么樣的快樂？首先是一種創建事物的純粹快樂。如同小孩在玩泥巴時感到愉快一樣，成年人喜歡創建事物，特別是自己進行設計。其次，快樂來自于開發對其他人有用的東西。第三是整個過程體現出魔術般的力量——將相互嚙合的零部件組裝在一起，看到它們精妙地運行，得到預先所希望的結果。第四是學習的樂趣，來自于這項工作的非重復特性。人們所面臨的問題，在某個或其他方面總有些不同，因而解決問題的人可以從中學習新的事物：