From 9099727209c853a6ed10c431ac53646cc117c9ed Mon Sep 17 00:00:00 2001 From: wangweiye7840 Date: Mon, 8 Jan 2024 10:05:19 +0800 Subject: [PATCH] =?UTF-8?q?=E5=BD=95=E5=85=A526=E5=B1=8A=E5=AF=92=E5=81=87?= =?UTF-8?q?=E4=BD=9C=E4=B8=9A1=E5=B9=B6=E5=BB=BA=E7=AB=8Brelated?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- 题库0.3/Problems.json | 438 ++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 424 insertions(+), 14 deletions(-) diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index 861c8270..a72cac5d 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -219013,7 +219013,9 @@ "20220726\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023378" + ], "remark": "", "space": "3em", "unrelated": [] @@ -326277,7 +326279,8 @@ ], "same": [], "related": [ - "009442" + "009442", + "023382" ], "remark": "", "space": "4em", @@ -332592,7 +332595,9 @@ "20221110\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023375" + ], "remark": "", "space": "", "unrelated": [] @@ -355391,7 +355396,9 @@ "20230118\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023385" + ], "remark": "", "space": "", "unrelated": [] @@ -355528,7 +355535,9 @@ "20230118\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023380" + ], "remark": "", "space": "", "unrelated": [] @@ -390796,7 +390805,9 @@ "20230131\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023373" + ], "remark": "", "space": "", "unrelated": [] @@ -425909,7 +425920,9 @@ "20230503\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023376" + ], "remark": "", "space": "", "unrelated": [] @@ -532278,7 +532291,8 @@ ], "same": [], "related": [ - "007740" + "007740", + "023381" ], "remark": "", "space": "4em", @@ -594840,7 +594854,9 @@ "20230905\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023371" + ], "remark": "", "space": "", "unrelated": [] @@ -595477,7 +595493,9 @@ "20230905\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023381" + ], "remark": "", "space": "", "unrelated": [] @@ -595972,7 +595990,9 @@ "20230905\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023381" + ], "remark": "", "space": "", "unrelated": [] @@ -607339,7 +607359,9 @@ "20230905\t朱敏慧" ], "same": [], - "related": [], + "related": [ + "023375" + ], "remark": "", "space": "", "unrelated": [] @@ -608334,7 +608356,9 @@ "20231109\t王伟叶" ], "same": [], - "related": [], + "related": [ + "023375" + ], "remark": "", "space": "", "unrelated": [] @@ -625036,6 +625060,390 @@ "space": "4em", "unrelated": [] }, + "023371": { + "id": "023371", + "content": "已知 $A=\\{x |-30$ 或 $b \\leq 0$''的否定形式为\\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": [ + "022698", + "022663", + "012035" + ], + "remark": "", + "space": "", + "unrelated": [] + }, + "023376": { + "id": "023376", + "content": "语句``对任意 $x \\in A$, 都有 $x \\in B$''的否定形式为\\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": [ + "015399" + ], + "remark": "", + "space": "", + "unrelated": [] + }, + "023377": { + "id": "023377", + "content": "(1)已知 $x$、$y \\in \\mathbf{R}$, $``x y>0$, $x+y>0$''是``$x>0$, $y>0''$ 的\\blank{50}条件;\\\\\n(2) 已知 $x$、$y \\in \\mathbf{R}$, $``x y>1$, $x+y>2$''是``$x>1$, $y>1$''的\\blank{50}条件;\\\\\n(3) 已知 $x$、$y \\in \\mathbf{R}$, $``(x-1)^2+(y-2)^2=0$''是``$(x-1)(y-2)=0$''的\\blank{50}条件.", + "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": [] + }, + "023378": { + "id": "023378", + "content": "知 $a$ 是实常数, 若 $P=\\{x | x^2+x-6=0\\}$, $S=\\{x | a x+1=0\\}$, 写出使 $S \\subseteq P$ 成立的一个充分非必要条件: \\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": [ + "007692" + ], + "remark": "", + "space": "", + "unrelated": [] + }, + "023379": { + "id": "023379", + "content": "若函数 $y=f(x)$、$y=g(x)$ 的定义域都是 $\\mathbf{R}$, 则``$f(x)>g(x)$ 对一切 $x \\in \\mathbf{R}$ 成立''的充要条件是\\bracket{20}.\n\\twoch{存在 $x \\in \\mathbf{R}$, 使得 $f(x)>g(x)$}{有无穷多个 $x \\in \\mathbf{R}$, 使得 $f(x)>g(x)$}{不存在 $x \\in \\mathbf{R}$, 使得 $f(x) \\leq g(x)$}{任取 $x \\in \\mathbf{R}$, 都有 $f(x)>g(x)+1$}", + "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": [] + }, + "023380": { + "id": "023380", + "content": "设全集 $U=\\mathbf{R}$, $A, B$ 是两个集合, 则``存在集合 $C$, 使得 $A \\subseteq C$ 且 $B \\subseteq \\overline{C}$''是``$A \\cap B=\\varnothing$''的\\blank{50}条件.", + "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": [ + "012791" + ], + "remark": "", + "space": "", + "unrelated": [] + }, + "023381": { + "id": "023381", + "content": "已知陈述句 $\\alpha:-10$ 且 $b>0$''是``对于任意 $x \\in[-1,1]$, $a x+b>0$ 成立''的\\blank{50}条件.", + "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": [] + }, + "023385": { + "id": "023385", + "content": "设 $A$、$B$ 是非空集合, 定义 $A \\triangle B=\\{x | x \\in A \\cup B, x \\notin A \\cap B\\}$, 已知 $A=\\{x |$ 存在 $y \\in \\mathbf{R}$, 使得 $y=\\sqrt{2 x-x^2}\\}$, $B=\\{y | y=\\dfrac{2^x}{2^x-1}, x>0\\}$, 则 $A \\triangle B$ 等于\\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": [ + "012786" + ], + "remark": "", + "space": "", + "unrelated": [] + }, + "023386": { + "id": "023386", + "content": "已知 $c>0$, 设 $P$: 函数 $y=c^x$ 在 $\\mathbf{R}$ 上是减函数; $Q$ : 不等式 $x+|x-2 c|>1$ 的解集为 $\\mathbf{R}$. 如果命题 $P$ 和 $Q$ 有且仅有一个正确, 求 $c$ 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", + "edit": [ + "20240108\t王伟叶" + ], + "same": [], + "related": [ + "040285" + ], + "remark": "", + "space": "4em", + "unrelated": [] + }, + "023387": { + "id": "023387", + "content": "设 $A=\\{(x, y) | y=x^2+3\\}$, $B=\\{(x, y) | y=2 x+m, 0 \\leq x \\leq 2\\}$. 若 $A \\cap B \\neq \\varnothing$, 则实数 $m$ 的取值范围是\\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": [] + }, + "023388": { + "id": "023388", + "content": "设 $a$ 是非零的实常数, $f(x)=x^2+a|x-m+1|+1$ 是偶函数.\\\\\n(1) 求实数 $m$ 的值.\\\\\n(2) 问:``$a<-2$''是``函数 $f(x)$ 在区间 $(-2,0)$ 上存在两个零点''的什么条件(充分非必要条件、必要非充分条件、充要条件、既非充分也非必要条件) ? 并证明你的结论.", + "objs": [], + "tags": [], + "genre": "解答题", + "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": "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