假定(DS)=3000H, (ES)=3100H, (SS)=2500H,(SI)=00A0H,(BX)=0100H,(BP)=0010H,数据变量VAL的偏移地址为0050H,请指出下列指令的源操作数字段的物理地址是多少? (1) MOV AX, VAL (2) MOV AX,[BX] (3) MOV AX,ES: [BX] (4) MOV AX,[BP] (5) MOV AX,[SI〕 (6) MOV AX,[BX+10H] (7) MOV AX, VAL[BX] (8) MOV AX,VAL[BX][SI]