交通渡口的主管部门、乡镇渡口所在地的乡镇人民政府、内部渡口的办渡单位，对渡口的安全负直接领导和管理责任。
参考答案：对
根据劳动法的规定，下列属无效劳动合同的是( )。
A．意思表示真实的合同
B．内容、形式符合法律规定的合同
C．主体合格的合同
D．采取欺诈、威胁等手段订立的合同
It was foolish of him to ______ his notes during that important test，and as a result，he got punished.
A．stick to
B．refer to
C．keep to
D．point to
