• 2022-06-19 问题

    In 1803 the United States purchased Louisiana from _____.

    In 1803 the United States purchased Louisiana from _____.

  • 2022-06-05 问题

    在基于RS-485的MODBUS通信中,网关节点发送的报文是:02 02 00 00 00 01 B9 F9,则响应报文正确的是( )。 A: 02 02 01 01 60 0C B: 02 02 02 01 60 0C C: 02 02 01 00 01 60 0C D: 02 02 02 00 60 0C

    在基于RS-485的MODBUS通信中,网关节点发送的报文是:02 02 00 00 00 01 B9 F9,则响应报文正确的是( )。 A: 02 02 01 01 60 0C B: 02 02 02 01 60 0C C: 02 02 01 00 01 60 0C D: 02 02 02 00 60 0C

  • 2022-05-28 问题

    查询图书编号是"01"或"02"的记录,可以在条件中输入( )。 A: "01" and "02" B: not in ("01" , "02") C: in ("01" , "02") D: not ("01" and "02")

    查询图书编号是"01"或"02"的记录,可以在条件中输入( )。 A: "01" and "02" B: not in ("01" , "02") C: in ("01" , "02") D: not ("01" and "02")

  • 2022-06-01 问题

    '2020/02/29'.split('/')的运行结果是: A: '2020' '02' '29' B: 2020 02 29 C: [2020,02,29] D: ['2020','02','29']

    '2020/02/29'.split('/')的运行结果是: A: '2020' '02' '29' B: 2020 02 29 C: [2020,02,29] D: ['2020','02','29']

  • 2022-06-19 问题

    In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.

    In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.

  • 2021-04-14 问题

    筛选图书编号是“01”或“02”的记录,可以在准则中输入()A.()“01”()or()“02”()B.()not()in("01","02")()C.()in("01","02")()D.()not()("01","02")

    筛选图书编号是“01”或“02”的记录,可以在准则中输入()A.()“01”()or()“02”()B.()not()in("01","02")()C.()in("01","02")()D.()not()("01","02")

  • 2022-06-15 问题

    成功连接MQTT后,服务回复: A: 20 02 00 00; B: 20 02 00 01; C: 20 02 00 04; D: 20 02 00 06;

    成功连接MQTT后,服务回复: A: 20 02 00 00; B: 20 02 00 01; C: 20 02 00 04; D: 20 02 00 06;

  • 2022-05-26 问题

    国际网球联合会成立于 A: 1903 B: 1803 C: 1913 D: 1923

    国际网球联合会成立于 A: 1903 B: 1803 C: 1913 D: 1923

  • 2022-06-03 问题

    霍尔效应哪一年发现的? A: 1881 B: 1879 C: 1803 D: 1831

    霍尔效应哪一年发现的? A: 1881 B: 1879 C: 1803 D: 1831

  • 2021-04-14 问题

    【单选题】下列是日期型常量的一项是 A. "02/03/2020" B. 02/03/2020 C. {02/03/2020} D. #02/03/2020#

    【单选题】下列是日期型常量的一项是 A. "02/03/2020" B. 02/03/2020 C. {02/03/2020} D. #02/03/2020#

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