Web上的任何信息，包括文档、图像、图片、视频或音频都被视为资源。为便于引用资源，应给它们分配一个唯一的标识来描述该资源存放于何处及如何对它进行存取，当前使用的命名机制称为______。
A、URLA
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In1920,()publishedhisfirstnovelThisSideofParadisewhichwas,tosomeextent,hisownstory.
Lyingundertheskull,thehumanbraincontainsanaverageoftenbillionnervecellscalled______.
Researchfindingshaveshownthatlanguageprocessingcentersaresituatedinasingleareaofthelefthemisphere.
Thevolunteerswouldrathergobytrainthan________.
Thatisthehouse_______youcanenjoythescenery.
