From 258a6678b62a01d0cb89db00a7b947e19c60681e Mon Sep 17 00:00:00 2001 From: WangWeiye Date: Tue, 13 Dec 2022 19:47:08 +0800 Subject: [PATCH] 20221213 evening --- 工具/修改题目数据库.ipynb | 8 ++++---- 题库0.3/Problems.json | 4 ++-- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/工具/修改题目数据库.ipynb b/工具/修改题目数据库.ipynb index 8f81da6b..ad502b25 100644 --- a/工具/修改题目数据库.ipynb +++ b/工具/修改题目数据库.ipynb @@ -2,7 +2,7 @@ "cells": [ { "cell_type": "code", - "execution_count": 7, + "execution_count": 11, "metadata": {}, "outputs": [ { @@ -11,7 +11,7 @@ "0" ] }, - "execution_count": 7, + "execution_count": 11, "metadata": {}, "output_type": "execute_result" } @@ -19,7 +19,7 @@ "source": [ "import os,re,json\n", "\"\"\"这里编辑题号(列表)后将在vscode中打开窗口, 编辑后保存关闭, 随后运行第二个代码块\"\"\"\n", - "problems = \"12502\"\n", + "problems = \"12505\"\n", "\n", "def generate_number_set(string,dict):\n", " string = re.sub(r\"[\\n\\s]\",\"\",string)\n", @@ -51,7 +51,7 @@ }, { "cell_type": "code", - "execution_count": 6, + "execution_count": 10, "metadata": {}, "outputs": [], "source": [ diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index 8ab82604..abbef128 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -308056,7 +308056,7 @@ }, "012504": { "id": "012504", - "content": "如图所示圆锥$P-O$中,$CD$为底面的直径, $A, B$分别为母线$PD$与$PC$的中点, 点$E$是底面圆周上一点, 若$\\angle DCE=30^{\\circ}$, $|AB|=\\sqrt 2$, 圆锥的高为$\\sqrt {14}$.\n\\begin{center}\n\\begin{tikzpicture}[>=latex]\n\\def\\r{1.6}\n\\def\\h{3}\n\\draw ({-\\r},0,0) node [left] {$D$} coordinate (D) -- (0,\\h,0) node [above] {$P$} coordinate (P) -- (\\r,0,0) node [right] {$C$} coordinate (C);\n\\draw (0,0,0) node [above right] {$O$} coordinate (O);\n\\draw (D) arc (180:360:{\\r} and {\\r/4});\n\\draw [dashed] (D) arc (180:0:{\\r} and {\\r/4});\n\\draw [dashed] (D) -- (C) (O) -- (P);\n\\draw ({\\r*cos(-130)},{\\r/4*sin(-130)}) node [below] {$E$} coordinate (E);\n\\draw [dashed] (E) -- (C);\n\\draw ($(C)!0.5!(P)$) node [right] {$B$} coordinate (B);\n\\draw ($(D)!0.5!(P)$) node [left] {$A$} coordinate (A);\n\\draw [dashed] (E) -- (A) -- (B);\n\\end{tikzpicture}\n\\end{center}\n(1) 求圆锥的侧面积$S$;\\\\\n(2) 求证: $AE$与$PC$是异面直线, 并求其所成角的大小.", + "content": "如图所示圆锥$P-O$中, $CD$为底面的直径, $A, B$分别为母线$PD$与$PC$的中点, 点$E$是底面圆周上一点, 若$\\angle DCE=30^{\\circ}$, $|AB|=\\sqrt 2$, 圆锥的高为$\\sqrt {14}$.\n\\begin{center}\n\\begin{tikzpicture}[>=latex]\n\\def\\r{1.6}\n\\def\\h{3}\n\\draw ({-\\r},0,0) node [left] {$D$} coordinate (D) -- (0,\\h,0) node [above] {$P$} coordinate (P) -- (\\r,0,0) node [right] {$C$} coordinate (C);\n\\draw (0,0,0) node [above right] {$O$} coordinate (O);\n\\draw (D) arc (180:360:{\\r} and {\\r/4});\n\\draw [dashed] (D) arc (180:0:{\\r} and {\\r/4});\n\\draw [dashed] (D) -- (C) (O) -- (P);\n\\draw ({\\r*cos(-130)},{\\r/4*sin(-130)}) node [below] {$E$} coordinate (E);\n\\draw [dashed] (E) -- (C);\n\\draw ($(C)!0.5!(P)$) node [right] {$B$} coordinate (B);\n\\draw ($(D)!0.5!(P)$) node [left] {$A$} coordinate (A);\n\\draw [dashed] (E) -- (A) -- (B);\n\\end{tikzpicture}\n\\end{center}\n(1) 求圆锥的侧面积$S$;\\\\\n(2) 求证: $AE$与$PC$是异面直线, 并求其所成角的大小.", "objs": [], "tags": [ "第六单元" @@ -308077,7 +308077,7 @@ }, "012505": { "id": "012505", - "content": "企业经营一款节能环保产品, 其成本由研发成本与生产成本两部分构成. 生产成本固定为每台$130$元. 根据市场调研, 若该产品产量为$x$万台时, 每万台产品的销售收入为$I(x)$万元, 两者满足关系:$I(x)=220-x$($0