• 2022-06-06 问题

    (271)8=( )10(46A)16=( )10(1101)2=( )10

    (271)8=( )10(46A)16=( )10(1101)2=( )10

  • 2022-06-09 问题

    ( 99 )10=(_________)8

    ( 99 )10=(_________)8

  • 2022-06-08 问题

    下列选项中,能够一次性向student表中添加三条记录的SQL语句是 A: INSERT INTO student VALUES (6,'lilei',99);(7,'hanmeimei',100);(8,'poly',40.5); B: INSERT INTO student VALUES (6,'lilei',99) (7,'hanmeimei',100) (8,'poly',40.5); C: INSERT INTO student VALUES (6,'lilei',99),(7,'hanmeimei',100),(8,'poly',40.5); D: INSERT INTO student VALUES (6,'lilei',99) VALUES(7,'hanmeimei',100) VALUES(8,'poly',40.5);

    下列选项中,能够一次性向student表中添加三条记录的SQL语句是 A: INSERT INTO student VALUES (6,'lilei',99);(7,'hanmeimei',100);(8,'poly',40.5); B: INSERT INTO student VALUES (6,'lilei',99) (7,'hanmeimei',100) (8,'poly',40.5); C: INSERT INTO student VALUES (6,'lilei',99),(7,'hanmeimei',100),(8,'poly',40.5); D: INSERT INTO student VALUES (6,'lilei',99) VALUES(7,'hanmeimei',100) VALUES(8,'poly',40.5);

  • 2022-06-30 问题

    水冷壁内的饱和热水操作温度,操作压力() A: 271℃,4.5MPa(G) B: 271℃,5.5MPa(G) C: 350℃,5.5MPa(G) D: 350℃,4.5MPa(G)

    水冷壁内的饱和热水操作温度,操作压力() A: 271℃,4.5MPa(G) B: 271℃,5.5MPa(G) C: 350℃,5.5MPa(G) D: 350℃,4.5MPa(G)

  • 2022-07-26 问题

    如图,BE、CF分别是△ABC的高,M为BC的中点,EF=5,BC=8,则△EFM的周长是(  )

    如图,BE、CF分别是△ABC的高,M为BC的中点,EF=5,BC=8,则△EFM的周长是(  )

  • 2022-06-16 问题

    下列设置打开文件对话框OpenFileDialog1的Filter属性正确的是_________。 A: OpenFileDialog1.Filter=Pictures(*.Bmp)|*.Bmp B: OpenFileDialog1.Filter=["Pictures(*.Bmp)"|"*.Bmp"] C: OpenFileDialog1.Filter="Pictures(*.Bmp)|*.Bmp" D: OpenFileDialog1.Filter={Pictures(*.Bmp)|*.Bmp} E: OpenFileDialog1.Filter=(Pictures(*.Bmp)|*.Bmp)

    下列设置打开文件对话框OpenFileDialog1的Filter属性正确的是_________。 A: OpenFileDialog1.Filter=Pictures(*.Bmp)|*.Bmp B: OpenFileDialog1.Filter=["Pictures(*.Bmp)"|"*.Bmp"] C: OpenFileDialog1.Filter="Pictures(*.Bmp)|*.Bmp" D: OpenFileDialog1.Filter={Pictures(*.Bmp)|*.Bmp} E: OpenFileDialog1.Filter=(Pictures(*.Bmp)|*.Bmp)

  • 2022-06-08 问题

    小鼠和人类相同的基因编码占()。 A: 8 B: 9 C: 95 D: 99

    小鼠和人类相同的基因编码占()。 A: 8 B: 9 C: 95 D: 99

  • 2022-06-15 问题

    如图所示,C是线段AB上的一点,AC:BC=2:1,已知AB=24,则BC等于(  ) A: 8 B: 9 C: 10 D: 16

    如图所示,C是线段AB上的一点,AC:BC=2:1,已知AB=24,则BC等于(  ) A: 8 B: 9 C: 10 D: 16

  • 2022-06-01 问题

    以下正确的语句是____。 A: OpenFileDialog1.Filter=All Files|*.*|Pictures(*.Bmp)|*.Bmp B: OpenFileDialog1.Filter="All Files"|"*.*"|"Pictures(*.Bmp)"|"*.Bmp" C: OpenFileDialog1.Filter="All Files|*.*|Pictures(*.Bmp)|*.Bmp" D: OpenFileDialog1.Filter={All Files|*.*|Pictures(*.Bmp)|*.Bmp}

    以下正确的语句是____。 A: OpenFileDialog1.Filter=All Files|*.*|Pictures(*.Bmp)|*.Bmp B: OpenFileDialog1.Filter="All Files"|"*.*"|"Pictures(*.Bmp)"|"*.Bmp" C: OpenFileDialog1.Filter="All Files|*.*|Pictures(*.Bmp)|*.Bmp" D: OpenFileDialog1.Filter={All Files|*.*|Pictures(*.Bmp)|*.Bmp}

  • 2022-06-01 问题

    以下正确的语句是____。 A: CommonDialog1.Filter= All Files|*.*|Pictures(*.Bmp)|*.Bmp B: CommonDialog1.Filter= "All Files"|"*.*"|"Pictures(*.Bmp) "|"*.Bmp" C: CommonDialog1.Filter= "All Files|*.*|Pictures(*.Bmp)|*.Bmp" D: CommonDialog1.Filter= {All Files|*.*|Pictures(*.Bmp)|*.Bmp}

    以下正确的语句是____。 A: CommonDialog1.Filter= All Files|*.*|Pictures(*.Bmp)|*.Bmp B: CommonDialog1.Filter= "All Files"|"*.*"|"Pictures(*.Bmp) "|"*.Bmp" C: CommonDialog1.Filter= "All Files|*.*|Pictures(*.Bmp)|*.Bmp" D: CommonDialog1.Filter= {All Files|*.*|Pictures(*.Bmp)|*.Bmp}

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