在OSI参考模型中有7个层次，提供了相应的安全服务来加强信息系统的安全性。以下哪一层提供了抗抵赖性?()
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Thatisthehouse_______youcanenjoythescenery.
翻译：合营企业的有关外汇事宜，应遵照中华人民共和国外汇管理条例办理。
TheMaboJudgementpassedbyAustralia'sHighCourtinJune1992overturnedtheconceptofterranullius,whichmeans________.
Thatproposalisessentiallyirrelevant________theissueathand.
“Apple,pear,peach,orange,lemon,etc.”makeupthe______of“fruit”.