From 4a7ab47d2bf343f90edceb5eb8f43aaca4fdd080 Mon Sep 17 00:00:00 2001 From: wangweiye7840 Date: Mon, 8 Jan 2024 10:51:46 +0800 Subject: [PATCH] =?UTF-8?q?=E5=BD=95=E5=85=A526=E5=B1=8A=E9=AB=98=E4=B8=80?= =?UTF-8?q?=E5=AF=92=E5=81=87=E4=BD=9C=E4=B8=9A=E5=B9=B6=E5=BB=BA=E7=AB=8B?= =?UTF-8?q?related?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- 题库0.3/Problems.json | 470 ++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 457 insertions(+), 13 deletions(-) diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index a2ba133f..e008ec95 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -26113,7 +26113,9 @@ "same": [ "011517" ], - "related": [], + "related": [ + "023421" + ], "remark": "", "space": "", "unrelated": [] @@ -88360,7 +88362,8 @@ "004356" ], "related": [ - "007983" + "007983", + "023436" ], "remark": "", "space": "", @@ -89315,7 +89318,9 @@ "20220701\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023442" + ], "remark": "", "space": "4em", "unrelated": [] @@ -133190,7 +133195,8 @@ "002803" ], "related": [ - "007983" + "007983", + "023436" ], "remark": "", "space": "", @@ -174205,7 +174211,9 @@ "20220720\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023432" + ], "remark": "", "space": "4em", "unrelated": [] @@ -431700,7 +431708,9 @@ "20230503\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023429" + ], "remark": "", "space": "", "unrelated": [] @@ -434872,7 +434882,9 @@ "20230503\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023426" + ], "remark": "", "space": "", "unrelated": [] @@ -474535,7 +474547,9 @@ "20230606\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023430" + ], "remark": "", "space": "", "unrelated": [] @@ -543405,7 +543419,9 @@ "20221230\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023441" + ], "remark": "", "space": "", "unrelated": [] @@ -544436,7 +544452,9 @@ "20221230\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023437" + ], "remark": "", "space": "4em", "unrelated": [] @@ -546913,7 +546931,9 @@ "20221231\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023440" + ], "remark": "", "space": "4em", "unrelated": [] @@ -600884,7 +600904,9 @@ "20230905\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023437" + ], "remark": "", "space": "", "unrelated": [] @@ -626132,7 +626154,9 @@ "20240108\t王伟叶" ], "same": [], - "related": [], + "related": [ + "000708" + ], "remark": "", "space": "", "unrelated": [] @@ -626177,6 +626201,426 @@ "space": "4em", "unrelated": [] }, + "023424": { + "id": "023424", + "content": "函数 $y=x^{-2}$ 在区间 $[\\dfrac{1}{2}, 2]$ 上的最大值是\\blank{50}.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [], + "remark": "", + "space": "", + "unrelated": [] + }, + "023425": { + "id": "023425", + "content": "若幂函数 $y=f(x)$ 的图像过点 $(3, \\sqrt[4]{27})$, 则 $y=f^{-1}(x)$ 的解析式是\\blank{50}.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [], + "remark": "", + "space": "", + "unrelated": [] + }, + "023426": { + "id": "023426", + "content": "若函数 $y=f(x)$ 的图像与函数 $g(x)=(\\dfrac{1}{2})^x$ 的图像关于直线 $y=x$ 对称, 则 $f(2 x-x^2)$ 的严格减区间为\\blank{50}.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [ + "015805" + ], + "remark": "", + "space": "", + "unrelated": [] + }, + "023427": { + "id": "023427", + "content": "若 $y=x^{a^2-4 a-9}$ 是偶函数, 且在 ($0,+\\infty$) 是减函数, 则整数 $a$ 的值是\\blank{50}.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [], + "remark": "", + "space": "", + "unrelated": [] + }, + "023428": { + "id": "023428", + "content": "若幂函数 $y=x^{(-1)^k\\dfrac{n}{m}}$($m, n, k \\in \\mathbf{N}$, $m$、$n$、$k>0$, $m, n$ 互质)的图像在一、二象限, 不过原点, 则 $k, m, n$ 奇偶性为\\blank{50}.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [], + "remark": "", + "space": "", + "unrelated": [] + }, + "023429": { + "id": "023429", + "content": "已知函数 $y=f(x)$ 的定义域是 $[1,2)$, 则函数 $f(2^x)$ 的定义域是\\blank{50}.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [ + "015661" + ], + "remark": "", + "space": "", + "unrelated": [] + }, + "023430": { + "id": "023430", + "content": "当 $a>0$ 且 $a \\neq 1$ 时, 函数 $f(x)=a^{x-2}-3$ 必过定点\\blank{50}.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [ + "017590" + ], + "remark": "", + "space": "", + "unrelated": [] + }, + "023431": { + "id": "023431", + "content": "函数 $y=(\\dfrac{1}{2})^{\\sqrt{-x^2+x+2}}$ 的值域是\\blank{50}.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [], + "remark": "", + "space": "", + "unrelated": [] + }, + "023432": { + "id": "023432", + "content": "函数 $y=\\dfrac{1-3 x}{2+x}$ 的图像的对称中心是\\blank{50}.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [ + "005848" + ], + "remark": "", + "space": "", + "unrelated": [] + }, + "023433": { + "id": "023433", + "content": "设函数 $f(x)=a+\\dfrac{1}{3^x-1}$ 为奇函数, 则实数 $a$ 的值是\\blank{50}.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [], + "remark": "", + "space": "", + "unrelated": [] + }, + "023434": { + "id": "023434", + "content": "已知 $f(x)=\\dfrac{\\mathrm{e}^x-\\mathrm{e}^{-x}}{2}$, 则下列正确的是\\bracket{20}.\n\\twoch{奇函数, 在 $\\mathbf{R}$ 上为增函数}{偶函数, 在 $\\mathbf{R}$ 上为增函数}{奇函数, 在 $\\mathbf{R}$ 上为减函数}{偶函数, 在 $\\mathbf{R}$ 上为减函数}", + "objs": [], + "tags": [], + "genre": "选择题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [], + "remark": "", + "space": "", + "unrelated": [] + }, + "023435": { + "id": "023435", + "content": "如图所示, 幂函数 $y=x^{\\alpha}$ 在第一象限的图像, 比较 $0, \\alpha_1, \\alpha_2, \\alpha_3, \\alpha_4, 1$ 的大小关系为\\bracket{20}.\n\\begin{center}\n\\begin{tikzpicture}[>=latex]\n\\draw [->] (0,0) -- (3,0) node [below] {$x$};\n\\draw [->] (0,0) -- (0,3) node [left] {$y$};\n\\draw (0,0) node [below left] {$O$};\n\\draw [domain = 0:{sqrt(3)}, samples = 100] plot (\\x,{\\x*\\x}) node [above] {$y=x^{\\alpha_1}$};\n\\draw [domain = {1/3}:3, samples = 100] plot (\\x,{1/\\x}) node [above right] {$y=x^{\\alpha_2}$};\n\\draw [domain = {1/sqrt(3)}:3, samples = 100] plot (\\x,{1/\\x/\\x}) node [right] {$y=x^{\\alpha_3}$};\n\\draw [domain = 0:3, samples = 100] plot (\\x,{sqrt(\\x)}) node [above] {$y=x^{\\alpha_4}$};\n\\end{tikzpicture}\n\\end{center}\n\\twoch{$\\alpha_1<\\alpha_3<0<\\alpha_4<\\alpha_2<1$}{$0<\\alpha_1<\\alpha_2<\\alpha_3<\\alpha_4<1$}{$\\alpha_2<\\alpha_4<0<\\alpha_3<1<\\alpha_1$}{$\\alpha_3<\\alpha_2<0<\\alpha_4<1<\\alpha_1$}", + "objs": [], + "tags": [], + "genre": "选择题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [], + "remark": "", + "space": "", + "unrelated": [] + }, + "023436": { + "id": "023436", + "content": "函数 $f(x)=\\begin{cases}2^{-x}-1,& x \\leq 0,\\\\x^{\\frac{1}{2}},& x>0,\\end{cases}$ 求满足 $f(x)>1$ 的 $x$ 的取值范围.", + "objs": [], + "tags": [], + "genre": "解答题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目\\includegraphics", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [ + "002803", + "004356" + ], + "remark": "", + "space": "4em", + "unrelated": [] + }, + "023437": { + "id": "023437", + "content": "若函数 $y=\\log _2(k x^2+4 k x+3)$ 的定义域为 $\\mathbf{R}$, 求实数 $k$ 的取值范围.", + "objs": [], + "tags": [], + "genre": "解答题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目\\includegraphics", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [ + "020489", + "022403" + ], + "remark": "", + "space": "4em", + "unrelated": [] + }, + "023438": { + "id": "023438", + "content": "画出下列函数的图像, 并指出该函数图像可经由哪个幂函数的图像经过一系列的图像变换得到(写清楚图像变换的过程). \\\\\n(1) $y=(x-1)^{-\\frac{7}{5}}-2$;\\\\\n(2) $y=\\dfrac{1}{|x|-1}$.", + "objs": [], + "tags": [], + "genre": "解答题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目\\includegraphics", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [], + "remark": "", + "space": "4em", + "unrelated": [] + }, + "023439": { + "id": "023439", + "content": "对于幂函数 $f(x)=x^{\\frac{4}{5}}$, 若 $00$, $a \\neq 1$, 则函数 $f(x)=a^x+x^2-2 x-2 a+1$ 的零点个数为\\blank{50}.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目\\includegraphics", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [ + "020456" + ], + "remark": "", + "space": "", + "unrelated": [] + }, + "023442": { + "id": "023442", + "content": "已知函数 $f(x)=\\log _2\\dfrac{x+1}{x-1}+\\log _2(x-1)+\\log _2(p-x), p$ 为常数, 且 $p \\in \\mathbf{R}$.\\\\\n(1) 求函数 $f(x)$ 的定义域; \\\\\n(2) 求函数 $f(x)$ 的值域.", + "objs": [], + "tags": [], + "genre": "解答题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目\\includegraphics", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [ + "002839" + ], + "remark": "", + "space": "4em", + "unrelated": [] + }, + "023443": { + "id": "023443", + "content": "设函数 $f(x)=\\lg (x+\\sqrt{x^2+1})$.\\\\\n(1) 确定函数 $f(x)$ 的定义域;\\\\\n(2) 判断函数 $f(x)$ 的奇偶性;\\\\\n(3) 证明函数 $f(x)$ 在其定义域上是严格增函数;\\\\\n(4) 求函数 $f(x)$ 的反函数.", + "objs": [], + "tags": [], + "genre": "解答题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "26届寒假作业补充题目\\includegraphics", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [], + "remark": "", + "space": "4em", + "unrelated": [] + }, "030001": { "id": "030001", "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