• 2022-06-09 问题

    甲乙两人身上钱数比为7:3后每人又获得7o元迟时比7:4现俩人各多少人

    甲乙两人身上钱数比为7:3后每人又获得7o元迟时比7:4现俩人各多少人

  • 2022-06-12 问题

    (7)ling/o:

    (7)ling/o:

  • 2021-04-14 问题

    7 O' clock表示时间 ______

    7 O' clock表示时间 ______

  • 2022-06-06 问题

    The plane ______ off at 7 o’clock.

    The plane ______ off at 7 o’clock.

  • 2021-04-14 问题

    已有定义intd=-2;,执行以下语句后的输出结果是:printf('*d(1)=%d*d(2)=%3d*d(3)=%-3d* ',d,d,d,d);printf('*d(4)=%o*d(5)=%7o*d(6)=%-7o* ',d,d,d,d);printf('*d(4)=%x*d(5)=%6x*d(6)=%-6x* ',d,d,d,d);

    已有定义intd=-2;,执行以下语句后的输出结果是:printf('*d(1)=%d*d(2)=%3d*d(3)=%-3d* ',d,d,d,d);printf('*d(4)=%o*d(5)=%7o*d(6)=%-7o* ',d,d,d,d);printf('*d(4)=%x*d(5)=%6x*d(6)=%-6x* ',d,d,d,d);

  • 2022-06-07 问题

    They are____(leave) only at 7 o’clock.

    They are____(leave) only at 7 o’clock.

  • 2022-05-29 问题

    Time of the party: on 50______ at 7 o’clock in the evening.

    Time of the party: on 50______ at 7 o’clock in the evening.

  • 2022-06-04 问题

    He ____(get) up at 7 o’clock in the morning.

    He ____(get) up at 7 o’clock in the morning.

  • 2021-04-14 问题

    Lily gets up at 6 o'clock in the morning. Lisa gets up at 7 o'clock in the morning.

    Lily gets up at 6 o'clock in the morning. Lisa gets up at 7 o'clock in the morning.

  • 2022-07-01 问题

    用K2Cr2O7标定Na2S2O3溶液浓度{c(Na2S2O3)=}计算公式为( )。 A: mK<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>/M(1/6K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>)×V B: mK<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>/M(K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>)×V C: mK<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>/M(1/2K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>)×V D: mK<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>/M(1/3K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>)×V

    用K2Cr2O7标定Na2S2O3溶液浓度{c(Na2S2O3)=}计算公式为( )。 A: mK<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>/M(1/6K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>)×V B: mK<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>/M(K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>)×V C: mK<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>/M(1/2K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>)×V D: mK<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>/M(1/3K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>)×V

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