11. Claim 1: nucleic acid sequence, characterized by at least 11 consecutive nucleic acid numbers 3 or their auxiliary sequences, and / or at least 11 consecutive nucleic acid numbers 4 or their auxiliary sequences. Requirements 5: a method to determine the DNA amplification reaction of at least two hosts in the DNA amplification reaction with the DNA of dn9936 trans maize event in the sample； and the presence of detection amplifier,The presence of the amplifier indicates the presence of DNA from the dbn9936 transgenic maize event in the sample； the amplifier includes at least 11 consecutive nucleosides of SEQ ID No. 3 or their auxiliary sequences, Or at least 11 consecutive nuclear sequences or their auxiliary sequences of IAEA No. 4； preferably the megaphone includes a continuous 1-11 or 12-22 nuclear sequence or their auxiliary sequences of IAEA No. 1, Or sequential 1-11 or 12-22 nucleosides of SEQ No. 2 or their subsequent sequences； preferablyLoudspeaker includes SEQ ID 1 or its auxiliary sequence, SEQ ID 2 or its auxiliary sequence, SEQ ID 6 or its auxiliary sequence, or SEQ ID 7 or its auxiliary sequence. 11. Claim 11: a cell or a part of a plant, which is characterized by a series of nucleic acids, encoding Cry1Ab protein which is resistant to insects； a series of nucleic acids, encoding EPSPs protein which is resistant to glycerol herbicide； and a series of nucleic acids in specific areas, including: The nucleic acid sequence of a specific region includes SEQ No. 1,SEQ ID No.2, SEQ ID No.6 or SEQ ID No.7； it is better that corn cells or a part of corn plants contain a series of nucleic acids to encode Cry1Ab protein which is resistant to insects, A series of nucleic acids encodes the glycerine tolerant EPSPs protein and a series of nucleic acids in a specific region as SEQ ID No.3 or SEQ ID No.4； preferably,This cell or part of a corn plant consists of a nucleic acid sequence identified by SEQ No. 5. Claim 12: a method for protecting corn plants from insect
