在数据管理技术发展过程中，文件系统与数据库系统的主要区别是数据库系 统具有
A、特定的数据模型A
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Ingrammaticalcontext,themeaningofawordmaybeinfluencedbythe______inwhichitoccurs.
英语翻译：instrumentofratification
We________goouttorestaurants,butmostlyweeatathome.
Researchfindingshaveshownthatlanguageprocessingcentersaresituatedinasingleareaofthelefthemisphere.
By"languageacquisitionisprimarilytheacquistionofthegrammaticalsystemoflanguage",linguistsmeanthat______.
