舌下神经经( )出颅。一侧舌下神经损伤，伸舌时，因健侧( )肌的作用，舌尖偏向( )。
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Member states of UN must be_____nations and accept the obligations of the UnitedNations Charter and, in the judgment of the organization, are able and willing to carry out these obligations.
直肠和肛管的静脉血经何途径回流至右心房(8分) ’
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