{
  "title": "2018-2019东山学校六月高三模拟考试（理综）",
  "subTitle": "试卷副标题",
  "time": "120分钟",
  "builder": "张纪中",
  "ItemId": [
    "1",
    "2",
    "3"
  ],
  "Point": [
    "10",
    "20",
    "30"
  ],
  "schoolCode": "001",
  "periodCode": "002",
  "gradeCode": "003",
  "classCode": "004",
  "subjectCode": "005",
  "teamodelId": "zhoujun#3215",
  "parts": [
    {
      "name": "单项选择题",
      "questions": [
        {
          "shaCode": "d75e03a639c8febc5033908a1ee9d7207de1951a",
          "question": "若代数式在实数范围内有意义，则x的取值范为是（）",
          "option": [
            {
              "code": "A",
              "value": "x≥－2 "
            },
            {
              "code": "B",
              "value": "x＞－2 "
            },
            {
              "code": "C",
              "value": "x≥2 "
            },
            {
              "code": "D",
              "value": "x≤2"
            }
          ],
          "answer": [ "C" ],
          "explain": "<p  >二次根式有意义，被开方数是非负数，故x-2≥0，x大于等于2.</p><p  >备考指导：代数式有意义的条件，一般从三个方面考虑：</p><p  >（1）当表达式是整式时，<math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" xmlns:m=\"http://schemas.openxmlformats.org/officeDocument/2006/math\" xmlns=\"\"><mi>x</mi><mo>=</mo><mfrac><mrow><mo>-</mo><mi>b</mi><mo>±</mo><msqrt><msup><mrow><mi>b</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>-</mo><mn>4</mn><mi>a</mi><mi>c</mi></msqrt></mrow><mrow><mn>2</mn><mi>a</mi></mrow></mfrac></math>可取全体实数；</p><p  >（2）当表达式是分式时，考虑分式的分母不能为0；</p><p  >（3）当表达式是二次根式时，被开方数非负．</p>",
          "type": "Single",
          "pShaCode": "d75e03a639c8febc5033908a1ee9d7207de1951a",
          "children": []
        },
        {
          "shaCode": "70986f6019e8e44f3cdcdc5e66823a9821facb92",
          "question": "下列计算正确的是（）",
          "option": [
            {
              "code": "A",
              "value": "2x2－4x2＝－2"
            },
            {
              "code": "B",
              "value": "3x＋x＝3x2"
            },
            {
              "code": "C",
              "value": "3x·x＝<img src=\"data:image/png;base64,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\" style=\"width: 0.2916667in; height: 0.2291667in\" alt=\"图片 3\" />"
            },
            {
              "code": "D",
              "value": "4x6÷2x2＝2x3"
            }
          ],
          "answer": [ "C" ],
          "explain": "<p  >本题考查整式的基本运算，对选项进行逐项分析</p><div align=\"center\"><table   style=\"border: none;border-collapse: collapse;margin-bottom: .001pt;\"><tr><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 40.15pt;\"><p  >选项</p></td><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 224.45pt;\"><p  >逐项分析</p></td><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 36.4pt;\"><p  >正误</p></td></tr><tr><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 40.15pt;\"><p  >A</p></td><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 224.45pt;\"><p  >2x2-4x2=-2x2≠-2</p></td><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 36.4pt;\"><p  >×</p></td></tr><tr><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 40.15pt;\"><p  >B</p></td><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 224.45pt;\"><p  >3x+x=4x≠3x2</p></td><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 36.4pt;\"><p  >×</p></td></tr><tr><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 40.15pt;\"><p  >C</p></td><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 224.45pt;\"><p  >3x·x=3x2</p></td><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 36.4pt;\"><p  >√</p></td></tr><tr><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 40.15pt;\"><p  >D</p></td><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 224.45pt;\"><p  >4x6÷2x2=2x4≠2x3</p></td><td  style=\"border-bottom: solid windowtext 1.0pt;border-left: solid windowtext 1.0pt;border-right: solid windowtext 1.0pt;border-top: solid windowtext 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: top;width: 36.4pt;\"><p  >×</p></td></tr></table></div><p  >备考指导：整式加减，实质是合并同类项，只把系数相加减，字母及字母的指数不变;整式乘法，系数相乘作为积的系数，相同的字母按照同底数幂的乘法法则相乘，单独的字母（式）作为积的一个因式；整式相除，系数相除作为商的系数，相同的字母按照同底数幂的除法法则相除，被除式中单独的字母（式）作为积的一个因式.</p>",
          "type": "Single",
          "pShaCode": "70986f6019e8e44f3cdcdc5e66823a9821facb92",
          "children": []
        },
        {
          "shaCode": "229d1a97111b1190102590833753e5729beb9b84",
          "question": "如图，在直角坐标系中，有两点A(6，3)、B(6，0)．以原点O为位似中心，相似比为<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />，在第一象限内把线段AB缩小后得到线段CD，则点C的坐标为（）<img src=\"data:image/png;base64,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\" style=\"width: 1.739583in; height: 1.239583in\" alt=\"图片 5\" />",
          "option": [
            {
              "code": "A",
              "value": "(2，1)"
            },
            {
              "code": "B",
              "value": "(2，0)"
            },
            {
              "code": "C",
              "value": "(3，3)"
            },
            {
              "code": "D",
              "value": "(3，1)"
            }
          ],
          "answer": [ "A" ],
          "explain": "<p  >∵线段CD和线段AB关于原点位似，∴△ODC∽△OBA，∴<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />，即<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />，∴CD=1，OD=2，∴C（2,1）.</p><p  >一题多解—最优解：设C（x,y）,∵线段CD和线段AB关于原点位似，∴<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />,∴x=2，y=1，∴C（2,1）.</p><p  >备考指导：每对对应点的连线所在的直线都相交于一点的相似图形叫做位似图形．位似图形对应点到位似中心的距离比等于位似比（相似比）；在平面直角坐标系中，如果位似图形是以原点为位似中心，那么位似图形对应点的坐标比等于相似比．</p>",
          "type": "Single",
          "pShaCode": "229d1a97111b1190102590833753e5729beb9b84",
          "children": []
        },
        {
          "shaCode": "471627eaaea2cfdf5068780f84dc46d16d4b254f",
          "question": "在反比例函数<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />图象上有两点A(x1，y1)、B(x2，y2)，x1＜0＜y1，y1＜y2，则m的取值范围是（）",
          "option": [
            {
              "code": "A",
              "value": "m＞<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />"
            },
            {
              "code": "B",
              "value": "m＜<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />"
            },
            {
              "code": "C",
              "value": "m≥<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />"
            },
            {
              "code": "D",
              "value": "m≤<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />"
            }
          ],
          "answer": [ "D" ],
          "explain": "<p  >x1＜0＜x2时，y1＜y2,说明反比例函数图像位于一三象限，故1-3m＞0，所以m≤<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />.</p><p  >易错警示：对于x1＜0＜x2时，y1＜y2,部分同学容易误认为y随x增大而增大，故错误得出1-3m＜0.考虑反比例函数增减性要在同一个分支上，x1＜0＜x2说明点A、B不在同一个分支上，故不能利用增减性来解答.备考指导：①反比例函数<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />为常数，且<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />的图像是双曲线，当<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />时，双曲线的两支分别位于第一、第三象限，在每个象限内y值随x值的增大而减小；当<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" /><img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />时，双曲线的两支分别位于第二、第四象限，在每个象限内y值随x值的增大而增大.②两个点若在双曲线同一分支上，则两点纵坐标符号相同，横坐标符号相同，两个点若不在双曲线同一分支上，则两点纵坐标符号相反，横坐标符号相反.</p>",
          "type": "Single",
          "pShaCode": "471627eaaea2cfdf5068780f84dc46d16d4b254f",
          "children": []
        },
        {
          "shaCode": "d7253869813e5893f11fde9ff386a542a428d0fa",
          "question": "如图，△ABC、△EFG均是边长为2的等边三角形，点D是边BC、EF的中点，直线AG、FC相交于点M．当△EFG绕点D旋转时，线段BM长的最小值是（）</p><p  ><img src=\"data:image/png;base64,[encoded data, 10160 characters]\" style=\"width: 1.875in; height: 1.854167in\" alt=\"图片 4\" /></p>",
          "option": [
            {
              "code": "A",
              "value": "<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />"
            },
            {
              "code": "B",
              "value": "<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />"
            },
            {
              "code": "C",
              "value": "<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />"
            },
            {
              "code": "D",
              "value": "<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />"
            }
          ],
          "answer": [ "D" ],
          "explain": "<p  >先考虑让△EFG和△BCA重合，然后把△EFG绕点D顺时针旋转，连结AG、DG，根据旋转角相等，旋转前后的对应线段相等，容易发现∠ADG=∠FDC,DA=DG，DF=DC，故∠DFC=∠DCF=∠DAG=∠DGA.又根据等腰三角形的“三线合一”可知∠FDG=90°，所以∠DFG+∠DGF=90°，即∠DFC+∠CFG+∠DGF=90°.所以∠AMC=∠MGF+∠CFG=∠AGD+∠DGF+∠CFG=∠DFC+∠DGF+∠CFG=90°.故点M始终在以AC为直径的圆上，作出该圆，设圆心为O，连结BO与⊙O相交于点P，线段BP的长即为线段BM长的最小值.BP=AO-OP=<img src=\"data:image/svg+xml;base64,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\" style=\"vertical-align: middle;\" alt=\"\" />-1，故选D.</p><p  >【难点突破】本题发现点M始终在以AC为直径的圆上是解题的重要突破口.考虑让△EFG和△BCA重合，然后把△EFG绕点D顺时针旋转，借助旋转的性质找出解题思路是分析有关旋转问题的重要方法.</p><p  > </p><p  ><img src=\"data:image/png;base64,[encoded data, 7580 characters]\" style=\"width: 2.072917in; height: 1.927083in\" alt=\"图片 2\" /></p>",
          "type": "Single",
          "pShaCode": "d7253869813e5893f11fde9ff386a542a428d0fa",
          "children": []
        },
        {
          "shaCode": "4069429e51958a382b45e0d4520df9878411aaba",
          "question": "在实数－3、0、5、3中，正数有是（）",
          "option": [
            {
              "code": "A",
              "value": "3 "
            },
            {
              "code": "B",
              "value": "-3 "
            },
            {
              "code": "C",
              "value": "5 "
            },
            {
              "code": "D",
              "value": "0"
            }
          ],
          "answer": [ "A", "C" ],
          "explain": "<p  >无</p>",
          "type": "Multiple",
          "pShaCode": "4069429e51958a382b45e0d4520df9878411aaba",
          "children": []
        },
        {
          "shaCode": "7a5370da8420b611840f212155d2be0c6a26b0cb",
          "question": "若代数式在实数范围内有意义，则x的取值范为是（）",
          "option": [
            {
              "code": "A",
              "value": "x≥－2 "
            },
            {
              "code": "B",
              "value": "x＞－2 "
            },
            {
              "code": "C",
              "value": "x≥2 "
            },
            {
              "code": "D",
              "value": "x≥4"
            }
          ],
          "answer": [ "C", "D" ],
          "explain": "<p  >备考指导：代数式有意义的条件，一般从三个方面考虑：</p><p  >（1）当表达式是整式时，可取全体实数；</p><p  >（2）当表达式是分式时，考虑分式的分母不能为0；</p><p  >（3）当表达式是二次根式时，被开方数非负．</p>",
          "type": "Multiple",
          "pShaCode": "7a5370da8420b611840f212155d2be0c6a26b0cb",
          "children": []
        },
        {
          "shaCode": "b85873012d8507810dc3781ad586b95488f4c1c8",
          "question": "下面的折线图描述了某地某日的气温变化情况，根据图中信息，下列说法正确的是（）</p><p  ><img src=\"data:image/png;base64,[encoded data, 8720 characters]\" style=\"width: 5.145833in; height: 2.0625in\" alt=\"IMG_256\" /></p>",
          "option": [
            {
              "code": "A",
              "value": "4:00气温最低"
            },
            {
              "code": "B",
              "value": "6:00气温为24℃"
            },
            {
              "code": "C",
              "value": "14:00气温最高"
            },
            {
              "code": "D",
              "value": "气温是30℃的为16:00"
            }
          ],
          "answer": [ "A", "B", "C" ],
          "explain": "<p  >从图像可以看出最低点对应点时间是4:00时,即4:00时温度最低，故A正确；6:00对应的温度为24℃，故B正确；图形最高点对应14:00时，即14:00时温度最高，故C正确；气温是30℃时对应两个时间12：00时和16时，故D错误.</p><p  >备考指导：解决此类问题的时，要注意结合函数图像和题意弄清横轴、纵轴的实际意义，以及图像上特殊点的实际意义．此类问题一般的解答方式是根据一个坐标找到对应图像上的点，再确定这个点的另一个坐标;图像的最高（低）点对应函数最大（小）值.</p>",
          "type": "Multiple",
          "pShaCode": "b85873012d8507810dc3781ad586b95488f4c1c8",
          "children": []
        },
        {
          "shaCode": "44e9bc52b79ae6e7700e21051bb9cf41ee8700d9",
          "question": "在实数－3、0、5、3中，最小的实数是－3（）",
          "option": [
            {
              "code": "A",
              "value": "对   "
            },
            {
              "code": "B",
              "value": "错"
            }
          ],
          "answer": [ "A" ],
          "explain": "<p  >有理数中，负数小于0，零小于正数，所以最小的是-3.</p><p  >备考指导：有理数大小比较的一般方法：①正数都大于0，负数都小于0，正数大于一切负数，两个负数绝对值大的反而小；②在数轴上表示的数，右边的总比左边的大.</p>",
          "type": "Judge",
          "pShaCode": "44e9bc52b79ae6e7700e21051bb9cf41ee8700d9",
          "children": []
        },
        {
          "shaCode": "313575e9e28216d508dda51e74fd2ad97652f409",
          "question": "把a2－2a分解因式为a(a＋2)。 （  ）",
          "option": [
            {
              "code": "A",
              "value": "对  "
            },
            {
              "code": "B",
              "value": "错"
            }
          ],
          "answer": [ "B" ],
          "explain": "<p  >考查提取公因式法分解因式．原式=a(a-2).</p><p  >备考指导：因式分解的一般步骤：若有公因式，先提公因式；然后再考虑用公式法或其它方法分解；直到每个因式都不能再分解为止.</p>",
          "type": "Judge",
          "pShaCode": "313575e9e28216d508dda51e74fd2ad97652f409",
          "children": []
        },
        {
          "shaCode": "9eba7d36a5acf6f2727a17562518ed07ab1e0330",
          "question": "一组数据3、8、12、17、40的中位数为12。（）",
          "option": [
            {
              "code": "A",
              "value": "对  "
            },
            {
              "code": "B",
              "value": "错"
            }
          ],
          "answer": [ "A" ],
          "explain": "<p  >本题共5个数据，已经从小到大排列好，第3个数据12就是这组数据的中位数．</p><p  >备考指导：找中位数要把数据按从小到大的顺序排列，位于最中间的一个数（或两个数的平均数）为中位数，当数据个数为奇数时，即为中间的一个，当数据个数为偶数时，中位数就是中间两个数的平均数.</p>",
          "type": "Judge",
          "pShaCode": "9eba7d36a5acf6f2727a17562518ed07ab1e0330",
          "children": []
        },
        {
          "shaCode": "17d91022780cab7b6334bb44e826353005f5027e",
          "question": "火星白天的最高温度可达28℃，而夜间温度可降到-132℃，那么火星的昼夜温度相差<underline data=\"1\"><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u></underline>℃．",
          "option": [],
          "answer": [ "160" ],
          "explain": "<p  >解：根据题意列式得：28-（-132）=160℃．</p>",
          "type": "Complete",
          "pShaCode": "17d91022780cab7b6334bb44e826353005f5027e",
          "children": []
        },
        {
          "shaCode": "c55598748bcc5b8ac3ec760685b48563c556894c",
          "question": "沙河水库的水文资料记载，最高水位：43.5米，警戒水位：42.8米，平均水位：40.0米，最低水位：36.4，下表是该水库内水位变化情况记录（上周末的水位达到警戒水位）表中“+“表示比前一天水位上升．</p><div align=\"left\"><table   style=\"border: none;border-collapse: collapse;margin-bottom: .001pt;margin-left: 1.5pt;\"><tr><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 73.5pt;\"><p  >星期</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 53.25pt;\"><p  >一</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 53.25pt;\"><p  >二</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 53.25pt;\"><p  >三</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 53.25pt;\"><p  >四</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 53.25pt;\"><p  >五</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 53.25pt;\"><p  >六</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 53.25pt;\"><p  >日</p></td></tr><tr><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 73.5pt;\"><p  >水位变化/米</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 53.25pt;\"><p  >-0.11</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 53.25pt;\"><p  >+0.25</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 53.25pt;\"><p  >-0.12</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 53.25pt;\"><p  >-0.08</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 53.25pt;\"><p  >-0.21</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 53.25pt;\"><p  >+0.15</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 53.25pt;\"><p  >+0.12</p></td></tr></table></div><p  >本周星期<underline data=\"1\"><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u></underline>水位最高，与警戒水位的距离是<underline data=\"2\"><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u></underline>米；最低水位是星期<underline data=\"3\"><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u></underline>，与警戒水位的距离是<underline data=\"4\"><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u></underline>米；最高水位与最低水位相差<underline data=\"5\"><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u></underline>米，与上周末水位相比，本周末的水位升降情况是<underline data=\"6\"><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u></underline>． </p>",
          "option": [],
          "answer": [ "二", "0.14", "五", "0.27", "0.41", "不变" ],
          "explain": "<p  >解：星期一水位：42.8-0.11=42.69米，<br />&#x200e;星期二水位：42.69+0.25=42.94米，<br />&#x200e;星期三水位：42.94-0.12=42.82米，<br />&#x200e;星期四水位：42.82-0.08=42.74米，<br />&#x200e;星期五水位：42.74-0.21=42.53米，<br />&#x200e;星期六水位：42.53+0.15=42.68米，<br />&#x200e;星期日水位：42.68+0.12=42.80米，<br />&#x200e;所以，本周星期二水位最高，与警戒水位的距离是0.14米；<br />&#x200e;最低水位是星期五，与警戒水位的距离是0.27米；<br />&#x200e;最高水位与最低水位相差0.41米，<br />&#x200e;与上周末水位相比，本周末的水位升降情况是不变．<br />&#x200e;故答案为：二，0.14；五，0.27；0.41；不变．</p>",
          "type": "Complete",
          "pShaCode": "c55598748bcc5b8ac3ec760685b48563c556894c",
          "children": []
        },
        {
          "shaCode": "cc5508c9b9dbb5210efbfa98d434da30442ba9d7",
          "question": "阜宁县各中小学校在新学年强势推进“双语阅读”工作．某校图书馆平均每天借书90册，如果某天借书95册，就记作+5；如果某天借书88册，就记作-2．上星期图书馆借出图书记录如下表：</p><div align=\"left\"><table   style=\"border: none;border-collapse: collapse;margin-bottom: .001pt;margin-left: 1.5pt;\"><tr><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 45.75pt;\"><p  >星期一</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 49.5pt;\"><p  >星期二</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 48.75pt;\"><p  >星期三</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 48.75pt;\"><p  >星期四</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 48.75pt;\"><p  >星期五</p></td></tr><tr><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 45.75pt;\"><p  >0</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 49.5pt;\"><p  >+7</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 48.75pt;\"><p  >+9</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 48.75pt;\"><p  >-6</p></td><td  style=\"background: #FFFFFF;border-bottom: solid #000000 1.0pt;border-left: solid #000000 1.0pt;border-right: solid #000000 1.0pt;border-top: solid #000000 1.0pt;padding-bottom: 0;padding-left: 5.4pt;padding-right: 5.4pt;padding-top: 0;vertical-align: middle;width: 48.75pt;\"><p  >-5</p></td></tr></table></div><p  >（1）上星期五借出图书是多少册？<br />&#x200e;（2）上星期二比上星期五多借出图书多少册？<br />&#x200e;（3）上星期平均每天借出图书多少册？</p>",
          "option": [],
          "answer": [ "解：（1）根据题意可得：借出书比90多就记为“+”，比90本少就记为“-”；则上星期五借出图书是90-5=85册；<br />&#x200e;（2）∵上星期二借出图书为90+7=97（册），上星期五借出图书为90-5=85（册），<br />&#x200e;∴上星期二比上星期五多借出图书为97-85=12册．<br />&#x200e;（3）∵上星期一共借出图书（90+0）+（90+7）+（90+9）+（90-6）+（90-5）=455（册），<br />&#x200e;∴平均借出图书为91册．" ],
          "explain": "<p  >无</p>",
          "type": "Subjective",
          "pShaCode": "cc5508c9b9dbb5210efbfa98d434da30442ba9d7",
          "children": []
        },
        {
          "shaCode": "b53894f2bd66128433650679b26c2314cff4e2a4",
          "question": "<p  >阅读以下诗段，完成诗后各题。</p><p  >江山如此多娇，引无数英雄竞折腰。惜秦皇汉武，略输文采；唐宗宋祖，稍逊风骚。一代天骄，成吉思汗，只识弯弓射大雕。俱往矣，数风流人物，还看今朝。</p>",
          "option": [],
          "answer": [],
          "explain": null,
          "type": "Compose",
          "pShaCode": "b53894f2bd66128433650679b26c2314cff4e2a4",
          "children": [
            {
              "shaCode": "3f8e6c4a0a9d9ceafbe433f365bb854c28a2e867",
              "question": "诗歌的朗读要有节奏感，下列读法正确的一项是( )",
              "option": [
                {
                  "code": "A",
                  "value": "江山如此／多娇，引无数／英雄竞折腰。"
                },
                {
                  "code": "B",
                  "value": "江山／如此多娇，引／无数英雄竞折腰。"
                },
                {
                  "code": "C",
                  "value": "江山／如此／多娇，引无数英雄／竞折腰。"
                },
                {
                  "code": "D",
                  "value": "江山／如此多娇，引无数英雄／竞折腰。"
                }
              ],
              "answer": [ "C" ],
              "explain": "无",
              "type": "Single",
              "pShaCode": "b53894f2bd66128433650679b26c2314cff4e2a4",
              "children": []
            },
            {
              "shaCode": "4308ef66d664e7f2609dacb76ac955b73ad566b2",
              "question": "本诗的作者是<underline data=\"1\"><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u></underline>，他的身份有<underline data=\"2\"><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u></underline>，<underline data=\"3\"><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u></underline>，<underline data=\"4\"><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u></underline>。",
              "option": [],
              "answer": [ "毛泽东", "军事家", "政治家", "诗人" ],
              "explain": "具体参考《沁园春·雪》作者介绍。",
              "type": "Complete",
              "pShaCode": "b53894f2bd66128433650679b26c2314cff4e2a4",
              "children": []
            },
            {
              "shaCode": "e3d796a8a2c43b81df42dcb302aba68368042bfc",
              "question": "“惜”字统领七句，请说出“惜”包含哪些意味。",
              "option": [],
              "answer": [ "表达作者对逝者的惋惜之情。" ],
              "explain": "无",
              "type": "Subjective",
              "pShaCode": "b53894f2bd66128433650679b26c2314cff4e2a4",
              "children": []
            }
          ]
        }
      ]
    }
  ]
}
