录入一些赋能题目
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20240131-143522
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024281:024284,019976,014717,024285:024288
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20240131-144016
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004164,004166:004168,023054,024289,004170,040657,024290,004176
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20240131-144355
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030621,024291,030974,024292,030929,024293:024294,030641,024295,030993
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20240131-145820
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030972,030624,030838,030743,030762,024296,014713,031123,030990,024297
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20240131-150152
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004724,004726:004728,024298,004106,024299:024300,004736:004737
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@ -126618,7 +126618,9 @@
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"20220705\t王伟叶"
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],
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"same": [],
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"related": [],
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"related": [
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"024300"
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],
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"remark": "",
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"space": "",
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"20230314\t王伟叶"
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],
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"same": [],
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"related": [],
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"related": [
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"024292"
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],
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"remark": "",
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"space": "",
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@ -419047,7 +419051,9 @@
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"20230413\t王伟叶"
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],
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"same": [],
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"related": [],
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"related": [
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"024298"
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],
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"remark": "",
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"space": "",
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@ -658739,6 +658745,252 @@
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"space": "",
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"unrelated": []
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},
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"024289": {
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"id": "024289",
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"content": "曲线 $y=\\dfrac{\\cos x}{x}$ 在 $(\\dfrac{\\pi}{2}, 0)$ 处的切线的斜率为\\blank{50}.",
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"objs": [],
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"tags": [],
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"genre": "填空题",
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"ans": "",
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"solution": "",
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"duration": -1,
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"usages": [],
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"origin": "自拟题目",
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"edit": [
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"20240131\t毛培菁"
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],
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"same": [],
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"related": [],
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"remark": "",
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"space": "",
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"unrelated": []
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},
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"024290": {
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"id": "024290",
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"content": "设 $\\alpha: x>1$ 且 $y>2$, $\\beta: x+y>3$, 则 $\\alpha$ 是 $\\beta$ 成立的\\bracket{20}.\n\\twoch{充分非必要条件}{必要非充分条件}{充要条件}{既非充分又非必要条件}",
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"objs": [],
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"tags": [],
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"genre": "选择题",
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"ans": "",
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"solution": "",
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"duration": -1,
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"usages": [],
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"origin": "自拟题目",
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"edit": [
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"20240131\t毛培菁"
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],
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"same": [],
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"related": [],
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"remark": "",
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"space": "",
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"unrelated": []
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},
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"024291": {
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"id": "024291",
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"content": "已知四个数 $1,2,4, a$ 的平均数为 4 , 则这四个数的中位数是\\blank{50}.",
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"objs": [],
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"tags": [],
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"genre": "填空题",
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"ans": "",
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"solution": "",
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"duration": -1,
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"usages": [],
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"origin": "自拟题目",
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"edit": [
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"20240131\t毛培菁"
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],
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"same": [],
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"related": [],
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"remark": "",
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"space": "",
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"unrelated": []
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},
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"024292": {
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"id": "024292",
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"content": "已知随机事件 $A$、$B$ 互相独立, 且 $P(A)=0.7$, $P(B)=0.4$, 则 $P(A \\cap \\overline{B})=$\\blank{50}.",
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"objs": [],
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"tags": [],
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"genre": "填空题",
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"ans": "",
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"solution": "",
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"duration": -1,
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"usages": [],
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"origin": "自拟题目",
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"edit": [
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"20240131\t毛培菁"
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],
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"same": [],
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"related": [
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"014748"
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],
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"remark": "",
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"space": "",
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"unrelated": []
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},
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"024293": {
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"id": "024293",
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"content": "若函数 $f(x)=\\mathrm{e}^x-(a-1) x+1$ 在 $(0,1)$ 上是严格减函数, 则实数 $a$ 的取值范围是\\blank{50}.",
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"objs": [],
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"tags": [],
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"genre": "填空题",
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"ans": "",
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"solution": "",
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"duration": -1,
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"usages": [],
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"origin": "自拟题目",
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"edit": [
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"20240131\t毛培菁"
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],
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"same": [],
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"related": [],
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"remark": "",
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"space": "",
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"unrelated": []
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},
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"024294": {
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"id": "024294",
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"content": "将编号为 $1,2,3,4$ 的 4 个小球放入 3 个不同的盒子中, 每个盒子不空, 若放在同一盒子里的 2 个小球编号不相邻, 则共有\\blank{50}种不同的放法.",
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"objs": [],
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"tags": [],
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"genre": "填空题",
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"ans": "",
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"solution": "",
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"duration": -1,
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"usages": [],
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"origin": "自拟题目",
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"edit": [
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"20240131\t毛培菁"
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],
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"same": [],
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"related": [],
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"remark": "",
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"space": "",
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"unrelated": []
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},
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"024295": {
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"id": "024295",
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"content": "甲乙两人分别独立参加某高校自主招生考试, 若甲、乙能通过面试的概率都是 $\\dfrac{2}{3}$, 则面试结束后通过的人数 $X$ 的期望是\\bracket{20}.\n\\fourch{$\\dfrac{4}{3}$}{$\\dfrac{2}{3}$}{$\\dfrac{10}{9}$}{$\\dfrac{8}{9}$}",
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"objs": [],
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"tags": [],
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"genre": "选择题",
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"ans": "",
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"solution": "",
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"duration": -1,
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"usages": [],
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"origin": "自拟题目",
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"edit": [
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"20240131\t毛培菁"
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],
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"same": [],
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"related": [],
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"remark": "",
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"space": "",
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"unrelated": []
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},
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"024296": {
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"id": "024296",
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"content": "若 $f(x)=x^2-2 x-4 \\ln x$, 则 $f'(x)>0$ 的解集为\\blank{50}.",
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"objs": [],
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"tags": [],
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"genre": "填空题",
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"ans": "",
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"solution": "",
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"duration": -1,
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"usages": [],
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"origin": "自拟题目",
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"edit": [
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"20240131\t毛培菁"
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],
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"same": [],
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"related": [],
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"remark": "",
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"space": "",
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"unrelated": []
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},
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"024297": {
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"id": "024297",
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"content": "函数 $f(x)=(\\dfrac{2}{1+\\mathrm{e}^x}-1) \\sin x$ 图像的大致形状是\\bracket{20}.\n\\fourch{\\begin{tikzpicture}[>=latex, xscale = 0.23, yscale = 0.5]\n\\draw [->] (-4,0) -- (4,0) node [below] {$x$};\n\\draw [->] (0,-1.5) -- (0,1.5) node [left] {$y$};\n\\draw (0,0) node [below left] {$O$};\n\\draw [domain = -4:4, samples = 100] plot (\\x,{-(2/(1+exp(\\x))-1)*sin(\\x/pi*180)});\n\\end{tikzpicture}}{\\begin{tikzpicture}[>=latex, xscale = 0.23, yscale = 0.5]\n\\draw [->] (-4,0) -- (4,0) node [below] {$x$};\n\\draw [->] (0,-1.5) -- (0,1.5) node [left] {$y$};\n\\draw (0,0) node [below left] {$O$};\n\\draw [domain = -4:4, samples = 100] plot (\\x,{-(2/(1+exp(\\x))-1)*cos(\\x/pi*180)});\n\\end{tikzpicture}}{\\begin{tikzpicture}[>=latex, xscale = 0.23, yscale = 0.5]\n\\draw [->] (-4,0) -- (4,0) node [below] {$x$};\n\\draw [->] (0,-1.5) -- (0,1.5) node [left] {$y$};\n\\draw (0,0) node [below left] {$O$};\n\\draw [domain = -4:4, samples = 100] plot (\\x,{(2/(1+exp(\\x))-1)*sin(\\x/pi*180)});\n\\end{tikzpicture}}{\\begin{tikzpicture}[>=latex, xscale = 0.23, yscale = 0.5]\n\\draw [->] (-4,0) -- (4,0) node [below] {$x$};\n\\draw [->] (0,-1.5) -- (0,1.5) node [left] {$y$};\n\\draw (0,0) node [below left] {$O$};\n\\draw [domain = -4:4, samples = 100] plot (\\x,{(2/(1+exp(\\x))-1)*cos(\\x/pi*180)});\n\\end{tikzpicture}}",
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"objs": [],
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"tags": [],
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"genre": "选择题",
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"ans": "",
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"solution": "",
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"duration": -1,
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"usages": [],
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"origin": "自拟题目",
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"edit": [
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"20240131\t毛培菁"
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],
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"same": [],
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"related": [],
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"remark": "",
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"space": "",
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"unrelated": []
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},
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"024298": {
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"id": "024298",
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"content": "已知随机变量 $X$ 服从正态分布 $N(0, \\sigma^2)$, 且 $P(X<-1)=0.1$, 则 $P(0<X<1)=$\\blank{50}.",
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"objs": [],
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"tags": [],
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"genre": "填空题",
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"ans": "",
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"solution": "",
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"duration": -1,
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"usages": [],
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"origin": "自拟题目",
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"edit": [
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"20240131\t毛培菁"
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],
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"same": [],
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"related": [
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"015000"
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],
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"remark": "",
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"space": "",
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"unrelated": []
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},
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"024299": {
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"id": "024299",
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"content": "若函数 $f(x)=x^2+\\ln x+m x-1$ 在 $(1,2)$ 上是严格增函数, 则实数 $m$ 的取值范围是\\blank{50}.",
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"objs": [],
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"tags": [],
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"genre": "填空题",
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"ans": "",
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"solution": "",
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"duration": -1,
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"usages": [],
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"origin": "自拟题目",
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"edit": [
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"20240131\t毛培菁"
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],
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"same": [],
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"related": [],
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"remark": "",
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"space": "",
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"unrelated": []
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},
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"024300": {
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"id": "024300",
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"content": "已知函数 $f(x)=g(x)+|2 x-1|$ 为奇函数, 若 $g(-1)=7$, 则 $g(1)=$\\blank{50}.",
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"objs": [],
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"tags": [],
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"genre": "填空题",
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"ans": "",
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"solution": "",
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"duration": -1,
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"usages": [],
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"origin": "自拟题目",
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"edit": [
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"20240131\t毛培菁"
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],
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"same": [],
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"related": [
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"004108"
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],
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"remark": "",
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"space": "",
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"unrelated": []
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},
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"030001": {
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"id": "030001",
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"content": "若$x,y,z$都是实数, 则:(填写``\\textcircled{1} 充分非必要、\\textcircled{2} 必要非充分、\\textcircled{3} 充要、\\textcircled{4} 既非充分又非必要''之一)\\\\\n(1) ``$xy=0$''是``$x=0$''的\\blank{50}条件;\\\\\n(2) ``$x\\cdot y=y\\cdot z$''是``$x=z$''的\\blank{50}条件;\\\\\n(3) ``$\\dfrac xy=\\dfrac yz$''是``$xz=y^2$''的\\blank{50}条件;\\\\\n(4) ``$|x |>| y|$''是``$x>y>0$''的\\blank{50}条件;\\\\\n(5) ``$x^2>4$''是``$x>2$'' 的\\blank{50}条件;\\\\\n(6) ``$x=-3$''是``$x^2+x-6=0$'' 的\\blank{50}条件;\\\\\n(7) ``$|x+y|<2$''是``$|x|<1$且$|y|<1$'' 的\\blank{50}条件;\\\\\n(8) ``$|x|<3$''是``$x^2<9$'' 的\\blank{50}条件;\\\\\n(9) ``$x^2+y^2>0$''是``$x\\ne 0$'' 的\\blank{50}条件;\\\\\n(10) ``$\\dfrac{x^2+x+1}{3x+2}<0$''是``$3x+2<0$'' 的\\blank{50}条件;\\\\\n(11) ``$0<x<3$''是``$|x-1|<2$'' 的\\blank{50}条件.",
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