• 2022-06-07
    以下Command对象的那个方法执行SQL语句并返回受影响的行数()
    A: ExcuteScalar()
    B: style="white-space: normal; widows: auto; color: rgb(51, 51, 51); font-family: 微软雅黑, 宋体, 'Lucida Grande', 'Lucida Sans Unicode', Arial, Verdana, sans-serif; font-size: 14px; line-height: 18px; background-color: rgb(255, 255, 255);">ExcuteNonQuery()
    C: ExcuteXMLReader()
    D: ExcuteReader()
  • B

    举一反三

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    • 0

      <span style="color: rgb(255, 0, 0); font-size: 18px; background-color: rgb(255, 255, 255);<strong>&nbsp; (视频2.4.2测</strong><strong>试题)</strong></span><span style="color: rgb(255, 0, 0); font-size: 18px; background-color: rgb(255, 255, 255);</span><img width="780" height="91" src="http://image.zhihuishu.com/download/upload/uccmanage/eweb/user/20150720140135661.jpg" border="0" _ewebeditor_pa_src="http%3A%2F%2Fimage.zhihuishu.com%2Fdownload%2Fupload%2Fuccmanage%2Feweb%2Fuser%2F20150720140135661.jpg

    • 1

      <span style='background-color: transparent; color: rgb(76, 76, 76); font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; font-stretch: 100%; font-variant-numeric: normal; font-variant-east-asian: normal; line-height: 23.6px;'>陈子昂和李白对唐代文学的贡献是什么?______ </span>

    • 2

      萦绕在每一位大学生心头的青春之问是( ) A: 怎样才能不虚度人生 B: 如何实现共产主义 C: style='box-sizing: inherit; color: rgb(68, 68, 68); font-family: "Segoe UI", Segoe, sans-serif; font-size: 15px; white-space: normal; background-color: rgb(255, 255, 255);'>如何才能考试不挂科 D: 如何才能成家立业

    • 3

      男性,25岁,体重65公斤,全身32%的Ⅱ度烧伤,现急诊收入院,预计伤后第一个24小时需要补液多少毫升? A: A.1000ml胶体液,2000ml晶体液&lt;br style="color: rgb(51, 51, 51); font-family: ""; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);"&gt;&lt;br&gt; B: B.1500ml胶体液,4000ml晶体液 C: C.1500ml胶体液,3500ml晶体液 D: D.1000ml胶体液,3500ml晶体液 E: E.2000ml胶体液,3500ml晶体液

    • 4

      <p style="font-size: medium;white-space: normal;line-height: 1.25px"><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">8.</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px"><span style="font-family:宋体">下列酯在酸性条件下发生水解反应的速度次序是</span></span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">(&nbsp; &nbsp; &nbsp; )</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px"><span style="font-family:宋体">。</span></span></p><p style="font-size: medium;white-space: normal;text-indent: 32px;line-height: 1.25px"><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">①</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CH</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span></sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CO</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">2</span></sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">C(CH</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span></sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">)</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span></sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&nbsp;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">②</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">.CH</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span></sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CO</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">2</span></sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CH</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">2</span></sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CH</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span></sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&nbsp;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">③</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">.CH</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span></sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CO</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">2</span></sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CH(CH</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span></sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">)</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">2</span></sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&nbsp;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">④</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">.CH</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span></sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CO</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">2</span></sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">CH</span><sub><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px;vertical-align: sub">3</span></sub></p><p style="font-size: medium;white-space: normal;text-indent: 32px;line-height: 1.25px"><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">A.</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">④</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">③</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">②</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">①</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&nbsp;&nbsp;&nbsp;&nbsp;B.</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">①</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">③</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">②</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">④</span></p><p style="font-size: medium;white-space: normal;text-indent: 32px;line-height: 1.25px"><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">C.</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">④</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">②</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">③</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">①</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&nbsp;&nbsp;&nbsp;&nbsp;D.</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">①</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">②</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">③</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">&gt;</span><span style="font-family: 宋体;line-height: 20px;color: rgb(17, 17, 17);font-size: 16px">④</span></p><p><br/></p>