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问题 单项选择题

申请实用化评价验收时申请单位需实现多长时间的连续完整的停电计划、检修申请、工作票、检修记录为主线的业务全闭环管理（）

A.1个月及以上

B.3个月及以上

C.6个月及以上

答案

参考答案：B

单项选择题

Originally, the World-Wide Web was designed as information medium for (71) research teams. A deliberately simple implementation model was chosen to make it as simple as possible for authors to (72) documents to the web, and to (73) these in the sense of updating content. This implementation model is centered around the notion of resources, usually file-base D. For the (74) intended use of the web, resources presented a useful abstraction, as they related to relatively self-contained chunks of information such as research publications and (75) pages. Such chunks of information typically could be set up and maintained independently of other resources, so that resources were the appropriate abstraction for composition and modification.

（74）（）

A.originally

B.before

C.success

D.reform
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单项选择题

（）状态及前方闭塞分区状态决定正线正方向电码化电路的编码移频信息。

A.三接近信号机

B.进站信号机

C.出发信号机
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