1、【第43题-单选】在庆祝海南建省办经济特区周年大会上,习近平总书记发表重要讲话并宣布:党中央决定支持( )建设自由贸易试验区。

1、【第589题-判断】下列表述是否正确:Burn marks on the paper substrate can often be identified as laser perforation. ()

1、【第588题-判断】下列表述是否正确:Photo substitution can often be identified by the different integration techniques of the photo and personal data . ()

1、【第587题-判断】下列表述是否正确:Security fibres can be used to identify counterfeit documents. ()

1、【第586题-判断】下列表述是否正确:Industrial printing techniques include laser engraving, laser printing and laser perforation. ()

1、【第585题-判断】下列表述是否正确:Laser printing is a personal information integration technique. ()

1、【第584题-判断】下列表述是否正确:Laser perforation is an issuing technique. ()

1、【第583题-判断】下列表述是否正确:Letterpress is one of the desktop printing processes. ()

1、【第582题-判断】下列表述是否正确:Metameric ink can be observed as the same colour under reflected light. ()

1、【第581题-判断】下列表述是否正确:Shadow watermark can be slightly observed under side light. ()

1、【第580题-判断】下列表述是否正确:Line watermark can be slightly observed under side light. ()