From 9fac56fa4eae5dda8c0d74b2834fa0701a738d5a Mon Sep 17 00:00:00 2001
From: "weiye.wang" <kj_wangweiye@126.com>
Date: Tue, 16 May 2023 22:10:41 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E4=B8=80=E4=BA=9B=E9=AB=98?=
 =?UTF-8?q?=E4=B8=80=E7=9A=84=E7=AD=94=E6=A1=88?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 工具/文本文件/metadata.txt | 274 +------------------------------------
 工具/题号选题pdf生成.py    |   2 +-
 题库0.3/Problems.json      | 186 ++++++++++++-------------
 3 files changed, 97 insertions(+), 365 deletions(-)

diff --git a/工具/文本文件/metadata.txt b/工具/文本文件/metadata.txt
index 89171078..d52dd33d 100644
--- a/工具/文本文件/metadata.txt
+++ b/工具/文本文件/metadata.txt
@@ -1,272 +1,4 @@
-usages
-
-013347
-20230511	2023届高三10班	1.000
-
-013348
-20230511	2023届高三10班	1.000
-
-013349
-20230511	2023届高三10班	0.931
-
-013350
-20230511	2023届高三10班	0.828
-
-013351
-20230511	2023届高三10班	0.897
-
-013352
-20230511	2023届高三10班	1.000
-
-013353
-20230511	2023届高三10班	0.931
-
-013354
-20230511	2023届高三10班	0.966
-
-013355
-20230511	2023届高三10班	0.966
-
-013356
-20230511	2023届高三10班	0.586
-
-013357
-20230511	2023届高三10班	0.931
-
-013358
-20230511	2023届高三10班	0.621
-
-013359
-20230511	2023届高三10班	0.552
-
-013360
-20230511	2023届高三10班	0.862	0.448
-
-013361
-20230511	2023届高三10班	0.897	0.724
-
-013347
-20230511	2023届高三11班	0.900
-
-013348
-20230511	2023届高三11班	0.950
-
-013349
-20230511	2023届高三11班	1.000
-
-013350
-20230511	2023届高三11班	0.800
-
-013351
-20230511	2023届高三11班	0.850
-
-013352
-20230511	2023届高三11班	1.000
-
-013353
-20230511	2023届高三11班	0.850
-
-013354
-20230511	2023届高三11班	1.000
-
-013355
-20230511	2023届高三11班	0.900
-
-013356
-20230511	2023届高三11班	0.250
-
-013357
-20230511	2023届高三11班	0.950
-
-013358
-20230511	2023届高三11班	0.800
-
-013359
-20230511	2023届高三11班	0.650
-
-013360
-20230511	2023届高三11班	0.850	0.550
-
-013361
-20230511	2023届高三11班	0.850	0.700
-
-013347
-20230511	2023届高三12班	0.850
-
-013348
-20230511	2023届高三12班	0.900
-
-013349
-20230511	2023届高三12班	0.950
-
-013350
-20230511	2023届高三12班	0.900
-
-013351
-20230511	2023届高三12班	0.900
-
-013352
-20230511	2023届高三12班	1.000
-
-013353
-20230511	2023届高三12班	0.850
-
-013354
-20230511	2023届高三12班	1.000
-
-013355
-20230511	2023届高三12班	0.950
-
-013356
-20230511	2023届高三12班	0.700
-
-013357
-20230511	2023届高三12班	0.850
-
-013358
-20230511	2023届高三12班	0.450
-
-013359
-20230511	2023届高三12班	0.750
-
-013360
-20230511	2023届高三12班	0.750	0.750
-
-013361
-20230511	2023届高三12班	1.000	0.800
-
-013347
-20230511	2023届高三07班	0.939
-
-013348
-20230511	2023届高三07班	0.970
-
-013349
-20230511	2023届高三07班	0.939
-
-013350
-20230511	2023届高三07班	0.849
-
-013351
-20230511	2023届高三07班	0.697
-
-013352
-20230511	2023届高三07班	0.939
-
-013353
-20230511	2023届高三07班	0.939
-
-013354
-20230511	2023届高三07班	0.970
-
-013355
-20230511	2023届高三07班	0.879
-
-013356
-20230511	2023届高三07班	0.455
-
-013357
-20230511	2023届高三07班	0.879
-
-013358
-20230511	2023届高三07班	0.727
-
-013359
-20230511	2023届高三07班	0.576
-
-013360
-20230511	2023届高三07班	0.849	0.394
-
-013361
-20230511	2023届高三07班	0.970	0.818
-
-013347
-20230511	2023届高三08班	0.967
-
-013348
-20230511	2023届高三08班	1.000
-
-013349
-20230511	2023届高三08班	1.000
-
-013350
-20230511	2023届高三08班	0.800
-
-013351
-20230511	2023届高三08班	0.933
-
-013352
-20230511	2023届高三08班	1.000
-
-013353
-20230511	2023届高三08班	0.933
-
-013354
-20230511	2023届高三08班	0.967
-
-013355
-20230511	2023届高三08班	0.933
-
-013356
-20230511	2023届高三08班	0.567
-
-013357
-20230511	2023届高三08班	0.800
-
-013358
-20230511	2023届高三08班	0.700
-
-013359
-20230511	2023届高三08班	0.667
-
-013360
-20230511	2023届高三08班	0.800	0.333
-
-013361
-20230511	2023届高三08班	0.933	0.733
-
-013347
-20230511	2023届高三09班	0.931
-
-013348
-20230511	2023届高三09班	0.966
-
-013349
-20230511	2023届高三09班	0.931
-
-013350
-20230511	2023届高三09班	0.828
-
-013351
-20230511	2023届高三09班	0.862
-
-013352
-20230511	2023届高三09班	0.966
-
-013353
-20230511	2023届高三09班	0.966
-
-013354
-20230511	2023届高三09班	0.931
-
-013355
-20230511	2023届高三09班	0.862
-
-013356
-20230511	2023届高三09班	0.414
-
-013357
-20230511	2023届高三09班	0.966
-
-013358
-20230511	2023届高三09班	0.552
-
-013359
-20230511	2023届高三09班	0.483
-
-013360
-20230511	2023届高三09班	0.793	0.586
-
-013361
-20230511	2023届高三09班	0.931	0.621
+ans
 
+021639
+B
diff --git a/工具/题号选题pdf生成.py b/工具/题号选题pdf生成.py
index 348f755a..7689714d 100644
--- a/工具/题号选题pdf生成.py
+++ b/工具/题号选题pdf生成.py
@@ -7,7 +7,7 @@ import os,re,time,json,sys
 """---设置题目列表---"""
 #留空为编译全题库, a为读取文本文件中的题号筛选.txt文件生成题库
 problems = r"""
-a
+
 """
 """---设置题目列表结束---"""
 
diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index c1446dff..7e023968 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -481140,7 +481140,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-\\dfrac{2+\\sqrt{15}}{6}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481170,7 +481170,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-\\dfrac{\\sqrt{2}}{2}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481200,7 +481200,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\sin 2\\beta$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481230,7 +481230,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$0$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481260,7 +481260,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$2-\\sqrt{3}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481290,7 +481290,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{16}{65}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481320,7 +481320,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$-\\dfrac{7}{25}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481350,7 +481350,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$-\\dfrac{4\\sqrt{14}+3\\sqrt{2}}{20}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481380,7 +481380,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$(\\dfrac{4\\sqrt{3}+3}{2},\\dfrac{3\\sqrt{3}-4}{2})$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481410,7 +481410,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-\\dfrac{33}{65}$或$\\dfrac{63}{65}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481440,7 +481440,7 @@
         "objs": [],
         "tags": [],
         "genre": "选择题",
-        "ans": "",
+        "ans": "B",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481470,7 +481470,7 @@
         "objs": [],
         "tags": [],
         "genre": "选择题",
-        "ans": "",
+        "ans": "C",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481500,7 +481500,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$-\\dfrac{56}{65}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481530,7 +481530,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-3$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481560,7 +481560,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{3}{4}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481590,7 +481590,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{-6+5\\sqrt{3}}{3}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481620,7 +481620,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\tan \\alpha$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481650,7 +481650,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\sqrt{3}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481680,7 +481680,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-\\dfrac{\\sqrt{3}}{3}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481710,7 +481710,7 @@
         "objs": [],
         "tags": [],
         "genre": "选择题",
-        "ans": "",
+        "ans": "A",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481740,7 +481740,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$-\\dfrac{17}{31}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481770,7 +481770,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\dfrac{\\pi}{4}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481800,7 +481800,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1) $\\dfrac{1}{3}$;\n(2) $\\dfrac{1}{7}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481830,7 +481830,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$-\\dfrac{1}{5}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481860,7 +481860,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "当$CD = 1.4$米时，$\\tan \\angle ACB$最大",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481890,7 +481890,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "(1) $2 \\sin (\\alpha+\\dfrac{\\pi}{6})$;\n(2) $\\sqrt{2} \\sin (\\alpha+\\dfrac{7\\pi}{4})$.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481919,7 +481919,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$6\\cos(\\alpha+\\dfrac{\\pi}{3})$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481948,7 +481948,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$2k \\pi-\\dfrac{\\pi}{3}(k\\in \\mathbf{Z}  )$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -481979,7 +481979,7 @@
         "objs": [],
         "tags": [],
         "genre": "选择题",
-        "ans": "",
+        "ans": "B",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482010,7 +482010,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\dfrac{1}{3}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482039,7 +482039,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\dfrac{\\pi}{12}$或$\\dfrac{5\\pi}{12}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482068,7 +482068,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$5$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482097,7 +482097,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\dfrac{13}{3}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482126,7 +482126,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$-\\dfrac{p}{1+q}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482155,7 +482155,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\dfrac{3}{5}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482184,7 +482184,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{24}{7}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482213,7 +482213,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-\\dfrac{24}{25}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482242,7 +482242,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-\\dfrac{15}{17}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482271,7 +482271,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\sin 2 \\varphi=\\dfrac{4\\sqrt{2}}{9}$;\n$\\cos 2 \\varphi=-\\dfrac{7}{9}$;\n$\\tan 2 \\varphi=-\\dfrac{4\\sqrt{2}}{7}$.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482300,7 +482300,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\dfrac{24}{25}$; $\\dfrac{7}{25}$; $\\dfrac{24}{7}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -482320,7 +482320,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1) $-\\dfrac{\\sqrt{3}}{3}$;\\\\\n(2) $\\dfrac{3}{4}$.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482349,7 +482349,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\dfrac{7}{24}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482378,7 +482378,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$-\\dfrac{2\\sqrt{10}}{5}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482407,7 +482407,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$1$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482465,7 +482465,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$1$或$\\dfrac{7}{25}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482494,7 +482494,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$-\\dfrac{\\sqrt{2-2a}}{2}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482523,7 +482523,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "第三象限",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482552,7 +482552,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "当$\\dfrac{\\theta}{2}$在第二象限时，\n$\\sin \\dfrac{\\theta}{2}=\\dfrac{\\sqrt{3}}{3}$,\n$\\cos \\dfrac{\\theta}{2}=-\\dfrac{\\sqrt{6}}{3}$,\n$\\tan \\dfrac{\\theta}{2}=-\\dfrac{\\sqrt{2}}{2}$;\\\\\n当$\\dfrac{\\theta}{2}$在第四象限时，\n$\\sin \\dfrac{\\theta}{2}=-\\dfrac{\\sqrt{3}}{3}$,\n$\\cos \\dfrac{\\theta}{2}=\\dfrac{\\sqrt{6}}{3}$,\n$\\tan \\dfrac{\\theta}{2}=-\\dfrac{\\sqrt{2}}{2}$.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482581,7 +482581,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\dfrac{3}{5}$;$\\dfrac{4}{5}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482639,7 +482639,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\dfrac{2}{3}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482668,7 +482668,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\cos \\alpha-\\sin \\alpha$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482697,7 +482697,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\sin \\dfrac{ \\alpha}{2}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482726,7 +482726,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1) $\\tan \\dfrac{\\theta}{2}$; (2) $\\sin \\alpha$.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482755,7 +482755,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{\\sqrt{6}}{2}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482783,7 +482783,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$30^{\\circ}$或$90^{\\circ}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482811,7 +482811,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\sqrt{6}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482839,7 +482839,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$55$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482867,7 +482867,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{\\pi}{3}$或$\\dfrac{2\\pi}{3}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482895,7 +482895,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$1: \\sqrt{3}: 2$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482923,7 +482923,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$2$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482951,7 +482951,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{5}{8}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -482979,7 +482979,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "等腰",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483007,7 +483007,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{3\\sqrt{2}}{2}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483035,7 +483035,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\sqrt{3}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483063,7 +483063,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\dfrac{7\\pi}{12}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483091,7 +483091,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\dfrac{2\\pi}{3}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483119,7 +483119,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "(1) $\\left( 0,9 \\right)$; \\\\\n(2) $\\{9\\} \\cup \\left[18,+ \\infty \\right)$;\\\\\n(3) $\\left( 9,18 \\right)$.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483147,7 +483147,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{3\\sqrt{7}}{8}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483176,7 +483176,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\sqrt{17}$或$\\sqrt{65}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483205,7 +483205,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{\\pi}{4}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483234,7 +483234,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "\\textcircled{1}；\\textcircled{2}",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483263,7 +483263,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$a>3$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483292,7 +483292,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$a=\\sqrt{21}$和$\\sin B=\\dfrac{5\\sqrt{7}}{14}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483321,7 +483321,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\dfrac{2\\pi}{3}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483350,7 +483350,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$c=\\sqrt{6}+\\sqrt{2}$;$C=75^\\circ$.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483379,7 +483379,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\dfrac{\\sqrt{19}}{2}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483408,7 +483408,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "周长的最小值为$12$,此时三角形为正三角形；\\\\\n面积最大值为$4\\sqrt{3}$,此时三角形为正三角形.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483437,7 +483437,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{\\sqrt{5}}{5}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483466,7 +483466,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{2\\sqrt{5}}{5}$或$-\\dfrac{2\\sqrt{5}}{25}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -483486,7 +483486,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{\\sqrt{5}}{5}$或$\\dfrac{11\\sqrt{5}}{25}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483515,7 +483515,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\left ( 2,2\\sqrt{2} \\right )$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483544,7 +483544,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1) 以$C$为直角的直角三角形；\\\\\n(2) 以$A$为顶角的等腰三角形；\\\\\n(3)  以$A$为直角的直角三角形.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483573,7 +483573,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$a=\\sqrt{13}$;$R=\\dfrac{\\sqrt{39}}{3}$.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483602,7 +483602,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$6\\sqrt{19}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483631,7 +483631,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1) $x=\\arcsin \\dfrac{2}{5}$或$\\pi-\\arcsin \\dfrac{2}{5}$;\\\\\n(2) $x=\\pi-\\arccos \\dfrac{2}{3}$或$\\pi+\\arccos \\dfrac{2}{3}$;\\\\\n(3) $x=k\\pi- \\arctan \\dfrac{1}{2},k \\in \\mathbf{Z}$.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483660,7 +483660,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$300\\sqrt{3}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483718,7 +483718,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\theta=\\dfrac{\\pi}{12}$;塔高为$1.5$千米.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483747,7 +483747,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$64.81$米",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483776,7 +483776,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1) $3.9$千米;(2) $4.0$千米.",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483805,7 +483805,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$2.4$千米",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483834,7 +483834,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "$\\dfrac{\\pi}{2}$",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -483863,7 +483863,7 @@
         "objs": [],
         "tags": [],
         "genre": "选择题",
-        "ans": "",
+        "ans": "B",
         "solution": "",
         "duration": -1,
         "usages": [
@@ -540489,7 +540489,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "(1)最小正周期为$\\pi$，单调减区间为$[k\\pi+\\dfrac{\\pi}{12},k\\pi+\\dfrac 7{12}\\pi],k \\in \\mathbb{Z}$\\\\\n(2)$y_{max}=\\sqrt{3},x=\\dfrac{\\pi}6$时取；$y_{min}=-2,x=\\dfrac 7{12}\\pi$时取",
+        "ans": "(1)最小正周期为$\\pi$，单调减区间为$[k\\pi+\\dfrac{\\pi}{12},k\\pi+\\dfrac 7{12}\\pi],k \\in \\mathbb{Z}$\\\\\n(2)$y_{\\max}=\\sqrt{3},x=\\dfrac{\\pi}6$时取; $y_{\\min}=-2,x=\\dfrac 7{12}\\pi$时取",
         "solution": "",
         "duration": -1,
         "usages": [],