The development of the Semantic Web proceeds in steps,each step building a layer on top of another.The pragmatic justification f

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问题 The development of the Semantic Web proceeds in steps,each step building a layer on top of another.The pragmatic justification for this approach is that it is easier to achieve(71)on small steps,whereas it is much harder to get everyone on board if too much is attempted.Usually there are several research groups moving in different directions;this(72)of ideas is a major driving force for scientific progress.However,from an engineering perspective there is a need to standardize.So,if most researchers agree on certain issues and disagree on others,it makes sense to fix the point of agreement.This way,even if the more ambitious research efforts should fail,there will be at least(73)positive outcomes.Once a (74)has been established,many more groups and companies will adopt it,instead of waiting to see which of the alternative research lines will be successful in the end.The nature of the Semantic Web is such that companies and single users must build tools.add content,  and use that content.We cannot wait until the full Semantic Web vision materializes.it may take another ten years for it to be realized to its full(75)(as envisioned today,of course).
(75)

选项 A、Area   
B、Goal   
C、Object
D、Extent

答案D

解析 翻译:
语义网目前正在稳步发展中,每次在已经完成的基础之上又增加一些内容。客观来说这种方式会成功是因为实现一个小的(71)比较容易,而迈出一大步实现所有功能则比较困难。研究开发者们通常会按照不同方向进行开发工作,这种(72)的思想是促进科学进步的重要驱动力。然而就软件工程的观点来说,应该把开发过程标准化,若是大家就某些观点能达成共识,而其他的问题有不同的意见,那么就很有必要落实这些已经达成共识的部分。这么做的话,就算是那些野心勃勃的开发者在开发的道路上遭遇了滑铁卢,整个行业还是会产生(73)积极成果。这个(74)一旦被建立,就会有更多的开发者采用它,而不是观望哪种研究路线会取得最终的胜利。语义网的本质是企业和单个用户必须构建工具,添加内容并使用。我们已经迫不及待语义网真正实现的那一天——也许(75)实现它的内容需要再过十年时间(当然这是按照今天所设想的那样)。
(71)A.冲突    B.一致同意    C.成功    D.异议
(72)A.竞争    B.同意    C.合作    D.协作
(73)A.全部    B.完整    C.部分    D.整体
(74)A.技术    B.标准    C.方法    D.模型
(75)A.局部    B.目的    C.目标    D.程度
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