• 2021-04-14 问题

    Calcium chloride, magnesium chloride are deliquescent.

    Calcium chloride, magnesium chloride are deliquescent.

  • 2022-06-17 问题

    [img=54x23]17de8084fc8189f.png[/img]的英文名称是_______。 A: magnesium nitride B: nitrogen fixation C: magnesium nitrogen D: nitric acid

    [img=54x23]17de8084fc8189f.png[/img]的英文名称是_______。 A: magnesium nitride B: nitrogen fixation C: magnesium nitrogen D: nitric acid

  • 2022-06-09 问题

    whichone is not trace mineral?() A: zinc B: copper C: magnesium D: iodin

    whichone is not trace mineral?() A: zinc B: copper C: magnesium D: iodin

  • 2022-05-27 问题

    which elements belong to micro-elements?( ) A: iron B: sodium C: zinc D: magnesium

    which elements belong to micro-elements?( ) A: iron B: sodium C: zinc D: magnesium

  • 2022-06-08 问题

    What caused the deposits A: The hydrochloric acid broke the carbon bonds in tile carbon dioxide, B: The magnesium oxide broke the carbon oxygen bonds in the carbon dioxide. C: The burning magnesium broke the carbon oxygen bonds in the carbon dioxide. D: The gas collection method broke the carbon-oxygen bonds in the carbon dioxid

    What caused the deposits A: The hydrochloric acid broke the carbon bonds in tile carbon dioxide, B: The magnesium oxide broke the carbon oxygen bonds in the carbon dioxide. C: The burning magnesium broke the carbon oxygen bonds in the carbon dioxide. D: The gas collection method broke the carbon-oxygen bonds in the carbon dioxid

  • 2021-04-14 问题

    写出下列各程序段执行后AL的值。 (1)MOV AL,1 (2)MOV AL,BL ROR AL,1 NOT AL OR AL,AL XOR AL,BL NEG AL OR AL,BL

    写出下列各程序段执行后AL的值。 (1)MOV AL,1 (2)MOV AL,BL ROR AL,1 NOT AL OR AL,AL XOR AL,BL NEG AL OR AL,BL

  • 2022-06-05 问题

    ‎若AL=100,则“add al,200”执行后的结果为:​ A: AL=300 B: AL=44 C: AL=100 D: AL=200

    ‎若AL=100,则“add al,200”执行后的结果为:​ A: AL=300 B: AL=44 C: AL=100 D: AL=200

  • 2022-05-29 问题

    以下指令那个是将AL寄存器中的第3位和第7位置1。( ) A: MOV AL, 0OR AL, 88H B: MOV AL, FFHOR AL, 88H C: MOV AL, FFHXOR AL, 88H D: MOV AL, FFHADN AL, 88H

    以下指令那个是将AL寄存器中的第3位和第7位置1。( ) A: MOV AL, 0OR AL, 88H B: MOV AL, FFHOR AL, 88H C: MOV AL, FFHXOR AL, 88H D: MOV AL, FFHADN AL, 88H

  • 2022-06-09 问题

    给出下列各条指令执行后AL值,以及CF、ZF、SF、OF和PF的状态。mov al,89hadd al,aladd al,9dhcmp al,0bchsub al,aldec alinc al

    给出下列各条指令执行后AL值,以及CF、ZF、SF、OF和PF的状态。mov al,89hadd al,aladd al,9dhcmp al,0bchsub al,aldec alinc al

  • 2021-04-14 问题

    【单选题】设AL=7FH,要使AL=80H,应使用的指令是()。 A. AND AL,80H B. OR AL,80H C. XOR AL,80H D. NOT AL

    【单选题】设AL=7FH,要使AL=80H,应使用的指令是()。 A. AND AL,80H B. OR AL,80H C. XOR AL,80H D. NOT AL

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