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【单选题】
软件维护是软件生命周期的固有阶段，一般认为各种不同的软件维护以()维护所占的维护量最小。A.
改正性维护
B.
适应性维护
C.
预防性维护
D.
完善性维护
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【简答题】Fill in each blank with a given word or expression in their right form.discover pause amazing used to belong to look forward to think of landShe__________ that she had lost her purse.
【简答题】方框填词。 stay, busy, look forward to, plenty of, fly because of, happen, write down, have, get back 1. At that moment, a bird _____ in through the open window. 2. She _____ to the office just befo...
【简答题】We look forward to ____(she, come) on time.
【简答题】李白与杜甫是古今诗坛的“双子星座”。李白诗歌豪放飘逸，史称“______”。如《将进酒》、《行路难》、《蜀道难》，无不显示了诗人独特的情感色调和艺术个性。杜甫诗歌号称“______”，风格沉郁顿挫。
【简答题】Why was Information Please pleased when the boy called her many years later? She was pleased because she had never and she used to look forward to the boy’s calls.
【单选题】She look forward to _____ the flower-lined garden every spring.
A.
visit
B.
paying a visit
C.
walk in
D.
walking in
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