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[
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{
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"type": "text",
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"text": "024年普通高等学校招生全国统一考试",
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"text_level": 1,
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "数学",
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"text_level": 1,
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "本试卷共4页,22小题,满分150分。考试用时120分钟。",
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"page_idx": 0
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{
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"type": "text",
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"text": "意事项:1.答题前,请务必将自已的姓名、准考证号用黑色字迹的签字笔或钢笔分别填写在试题卷和答题卡上。用2B铅笔将试卷类型(A)填涂在答题卡相应位置上。将条形码横贴在答题卡右上角“条形码粘贴处”。2.作答选择题时,选出每小题答案后,用2B铅笔把答题卡上对应题目选项的答案信息点涂黑:如需改动,用橡皮擦干净后,再选涂其他答案,答案不能答在试卷上。3.非选择题必须用黑色字迹钢笔或签字笔作答,答案必须写在答题卡各题目指定区域内相应位置上;如需改动,先划掉原来的答案,然后再写上新的答案:不准使用铅笔和涂改液。不按以上要求作答的答案无效。4.考生必须保持答题卡的整洁。考试结束后,将试卷和答题卡一并交回。",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "一、选择题:本大题共8小题,每小题5分,共计40分.每小题给出的四个选项中,只有一个选项是正确的,请把正确的选项填涂在答题卡相应的位置上.",
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"text_level": 1,
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "1.已知集合A={x|−5<x<5},B={−3,−1,0,2,3},则A∩B= ",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "A.(-1.0) B.(2.3} C.(-3,-1.0) D.(-1,0,2 2.三 =1+i,则z= ",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "A.-1-i B.-1+i C.1-i D.1+i3.已知向量a=(0,1),b=(2,x),若b⊥(b−4a),则x=",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "A.-2 B.-1 C.1 D.2 4.已知cos(α+β)=m,tanαtanβ=2,则cos(α−β)= ",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "A.-3m B.\\a\\$ c. m D.3m ,已知圆柱和圆锥的底面半径相等,侧面积相等,且它们的高均为√,则圆锥的体积为 ",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "A.2√\\}\\$ \\$B.3√\\n}\\$ \\$C.6\\\\$ D.9\\\\$ ",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "6.已知函数f(x)= -x-2ax-a,x<0₂在R上单调递增,则a的取值范围是le+ln(x+1).x≥0",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "A.(-20,0] B. [-1.0] C. [-1.1] D.[0,+) ",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "7.当xe[0.2n]时,曲线y=sinx与y=2sin(3x-)的交点个数为 ",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "A.3 B.4 C.6 D.8 ",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "8.已知函数f(x)的定义域为R,f(x)>f(x−1)+f(x−2),且当x<3时,f(x)=x,则下列结论中一定正确的是A.f(10)>100 B.f(20)>1000 C.f(10)<1000D.f(20)<10000二、选择题:本大题共3小题,每小题6分,共计18分.每小题给出的四个选项中,有多项符合题目要求。全部选对得6分,选对但不全的得部分分,有选错的得0分。",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "9.为了解推动出口后的亩收入(单位:万元)情况,从该种植区抽取样本,得到推动出口后亩收入的样本均值2.1,样本方差=0.01,已知该种植区以往的亩收入X服从正态分布N(1.8,0.1²),假设推动出口后的亩收入Y服从正态分布(x,),则(若随机变量Z服从正态分布N(μσ),则P(Z<+)≈0.8413)",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "A.P(X>2)>0.2 B.P(X>2)<0.5 \nC.P(Y>2)>0.5 D.P(Y>2)<0.8",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "10.设函数f(x)=(x−1)(x−4),则",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "A.x=3是f(x)的极小值点 B.当0<x<1时,f(x)<f(x)C.当1<x<2时,-4<f(2x-1)<0 D.当-1<x<0时,f(2−x)>f(x)",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "11.造型可以做成关丽的丝带,将其看作图中曲线C的一部分.已知C过坐标原点O,且C上的点满足横坐标大于-2,到点F(2,0)的距离与到定直线x=a(a<0)的距离之积为4,则",
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"page_idx": 0
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},
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{
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"type": "image",
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"img_path": "images/59086cc384346487ce511d49671d1292dc0c811a3ee51527fda22ad5320566cc.jpg",
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"image_caption": [],
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"image_footnote": [],
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "A.a=-2 \nB.点(2√2,0)在C上 \nC.C在第一象限的点的纵坐标的最大值为1 \nD.当点(x,3)在C上时,≤x+2",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "三、填空题:本大题共3小题,每小题5分,共计15分",
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"text_level": 1,
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "12.设双曲线C =>0,b>0)的左右焦点分别为F,F2,过作平行于y轴的直 }\\$ 线交C于A、B两点,若|FA=13,|AB|=10,则C的离心率为_ 13.若曲线在点(0,1)处的切线也是曲线y=ln(x+1)+a的切线,则a=_ ",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "14.甲乙两人各有四张卡片,每张卡片上标有一个数字,假的卡片上分别标有数字1,3,5,7,乙的卡片上分别标有数字2,4,6,8.两人进行四轮比赛,在每轮比赛中,两人各自从自己持有的卡片中随机选一张,并比较所选卡片上的数字大小,数字大的人得1分,数字小的人得0分,然后各白弃置此轮所选的卡片(弃置的卡片在此后的轮次中不能使用),则四轮比赛后,甲的总得分不小于2的概率为",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "四、解答题:本题共6小题,共70分。解答应写出文字说明、证明过程或演算步骤。15.(13分)",
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"text_level": 1,
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "记△ABC的内角A,B,C的对边分别为a,b,c,已知sinC=√coB。",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "^{+b²-c{=√2ab. ",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "(1)求B; \n(2)若△ABC的面积为3+√,求c.",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "16.(15分)",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "=1(a>b>0)上两点.\\$b{r}\\$ \n(1)求C的离心率: \n(2)若过P的直线I交C于另一点B,且△ABP的面积为9,求I的方程.",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "17.(15分)",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "如图,四棱锥P-ABCD中,PA⊥底面ABCD,PA=AC=2,BC=1,AB=√.(1)若AD⊥PB,证明:AD//平面PBC:(2)若AD⊥DC,且二面角A-CP-D的正弦值为√2\\$7求AD.",
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"page_idx": 0
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},
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{
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"type": "image",
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"img_path": "images/68816d467f0086c289a436af04fad25fde27512b22554b1094715129ecce776e.jpg",
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"image_caption": [],
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"image_footnote": [],
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "18.(17分)",
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},
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{
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"type": "text",
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"text": "已知函数f(x)=ln−x +αx+b(x−1).2-x \n(1)若b=0,且f(x)≥0,求a的最小值; \n(2)证明:曲线y=f(x)是中心对称图形; \n(3)若f(x)>2当且仅当1<x<2,求b的取值范围.",
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},
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{
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"type": "text",
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"text": "19.(17分)",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "设m为正整数,数列a,q2,\",2是公差不为0的等差数列,若从中删去两项a 和a(i<j)后剩余的4m项可被平均分为m组,且每组的4个数都能构成等差数列,则称数 列a,q2,…,dm2是(i,j)—可分数列. ",
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"page_idx": 0
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},
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{
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"type": "text",
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"text": "(1)写出所有的(i),1≤i<j≤6,使得数列a,q2,\",a是(i,j)一可分数列:(2)当m≥3时,证明:数列aq,q2,…,m2是(2,13)—可分数列:(3)从1,2,…,4m+2中一次任取两个数i和j(i<),记数列a,q2,,q2是(,)可分数列的概率为P,证明:P_",
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"page_idx": 0
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}
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]
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