职业纪律是从业者在职业活动中必须共同遵守的行为准则。
正确
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CharlesSmith,______wasmyformerteacher,retiredlastyear.
Mrs.Smithlockedboththefrontandthebackdoorsbeforeshewenttobed______thatsomeonemightstealintothehouseatnight.
Itisnousearguing_______theplanbecauseithasbeenrejected.
Wateriscomposed_______hydrogenandoxygen.
Heblamedhispoorperformance_____jetlag.