按真实条件找题
可以组合年级、学科、难度、题型和知识点搜索；筛选结果页不单独参与索引，避免重复页面分散权重。
初中免费试题库，先看题再决定怎么练
游客可浏览题目与选项；登录后可免费组卷并下载学生卷。答案解析、练习判分和错题本由 VIP 解锁。
高频错题
近期常错题排行
#1 · 常错题
#2 · 常错题
将循环小数化为分数:整数、有限小数、循环小数都可以化成分数,整数和有限小数化成分数容易,循环小数如何化成分数呢?请看下面的例子. 将循环小数$0.288\ldots $化成分数:将$0.288\ldots $分别乘$10$和$100$,得$2.88\ldots $和$28.88\ldots $,两个得数相减得$26(两个得数小数部分相同)$,而相减所得的$26$应该是$0.288\ldots $的$\left(100-10\right)
#3 · 常错题
今年市委市政府积极推进创建“全国文明城市”工作，市创城办公室为了调查初中学生对“社会主义核心价值观”内容的了解程度\((\)程度分为：“\(A-\)十分熟悉”，“\(B-\)了解较多”，“\(C-\)了解较少”，“\(D-\)不知道”\()\)，对我市一所中学的学生进行了随机抽样调查，根据调查结果绘制了两幅不完整的统计图如图，根据信息解答下列问题： \((1)\)本次抽样调查了多少名学生； \((2)\)补全条形统计图和扇形统计图； \
#4 · 常错题
#5 · 常错题
一批水果的标准质量是$30$千克,超出标准质量记为正,低于标准质量记为负,现记录如下:$+8$,$-9$,$-5$,$+7$,$-8$,$-6$,$+7$,$+10$. $(1)$这批水果总共有多少千克? $(2)$第一天按每千克价格$5$元卖出了这批水果的一半,第二天为了吸引顾客把第一天卖水果的价格降价$20\%$后作为新的价格,卖完了剩下的水果,请计算一下这批水果一共卖了多少钱?
#6 · 常错题
分类讨论思想是数学的重要思想,在学习有理数的过程中,也深有感受$!$ $(1)$当$ab \lt 0$时,若$b \gt 0$,$|a| \lt |b|$,则$a+b \_\_\_\_\_\_0$； $(2)$当$abc \lt 0$时,若$ab \gt 0$,则$c \_\_\_\_\_\_0$； $(3)$已知$a$,$b$,$c$是非零有理数,则$\frac{a}{|a|}+\frac{b}{|b|}+\frac{c}{|c|}=
精选练习题目
全部题目
九年级·英语·填空题社会文化类阅读
A:Hi,Sam.Summer holiday is coming soon.（1）______ B:Yes.I\’m planning to go to Canada on vacation. A:Sounds great! （2）______ B:For two weeks.I want to see as much as I can! A: （3）______ B:First,I\’ ll spend a few days in
查看题目详情 →
九年级·英语·填空题健康环保类阅读
阅读下面短文,在空白处填入一个恰当的词或填入括号中所给单词的正确形式. Some people have a very poor （1）______ of direction. （2）______ （lucky）,I am one of them.I have visited a place many times, （3）______ I may still get lost there the next time. When I wa
查看题目详情 →
九年级·英语·填空题状语从句
International Library Books,CDs and Videos Entrance:Free Monday - Friday 9:30 a.m. - 6:00 p.m. New England House,Museum Street Painting Competition For young people 8 - 16 years old Paint a picture of an animal Send it t
查看题目详情 →
七年级·英语·选择题状语从句
My brother was doing his homework my sister was practising dancing.（ ）
查看题目详情 →
七年级·英语·填空题句型转换
Sam is twelve .（对划线部分提问） ____________ is Sam?
查看题目详情 →
七年级·英语·填空题句型转换
Amy和Millie想要在未来改变她们的生活吗? Would Amy and Millie like ______?
查看题目详情 →
七年级·英语·选择题语态的辨析
I ________,so I didn't know where I was．（ ）
查看题目详情 →
八年级·英语·填空题一般现在时的被动语态
Cover the turkey with some gravy.（改为否定句） ______cover the turkey with ______gravy.
查看题目详情 →
八年级·英语·翻译题一般现在时的被动语态
当地的医护人员受邀到飞机上来学习眼科手术。(be invited…)
查看题目详情 →
八年级·英语·填空题阅读判断题
I\’m Betty.Next term I want to learn Tai Chi and exercise more.After leaving school,I\’m going to be a doctor.I decided to do all of these because of my grandma.My grandma had a hard time walking.One day,a doctor asked h
查看题目详情 →
八年级·英语·填空题阅读判断题
Do you remember the story The Magic Brush of Ma Liang?Here is a similar story.The movie Harold and the Purple Crayon（《哈罗德和紫色蜡笔》）hit theaters in August in the US.It was adapted（改编）from a famous children\’s book by Crocket
查看题目详情 →
七年级·英语·填空题阅读判断题
Elephants are the biggest animals that live on land.They live on grasslands and in forests of Africa and Asia.Elephants have long noses called trunks.They have big ears like fans.Their skin is gray-black.They have some s
查看题目详情 →
九年级·英语·选择题任务型阅读
The teacher has given us a explanation of the rules of playing chess and we know how to do it now.（ ）
查看题目详情 →
八年级·英语·填空题文学作品类阅读
Alice\’s Adventures in Wonderland （《爱丽丝梦游仙境》） by Lewis Carroll has excited young readers for many years since it came out in 1865.From then on,many people were interested in the story of the little girl and her trip down
查看题目详情 →
七年级·英语·填空题文学作品类阅读
You need to ______ your name at the end of a letter. （signature）
查看题目详情 →
七年级·英语·填空题文学作品类阅读
I\’d like to write a letter to Judy . （对划线部分提问） ____________ you like to write a letter to?
查看题目详情 →
九年级·英语·填空题社会文化类阅读
Do you think native English speakers are best at speaking the English language?Some experts （专家） believe that when it comes to successfully communicating in English,non-native speakers are actually easier to understand.
查看题目详情 →
九年级·英语·填空题健康环保类阅读
I hope you will pardon ______（I） for doing so.
查看题目详情 →
七年级·英语·填空题新闻报道类阅读
Sarah is from Canada.She is （1）______ （1.60 metres/160 kilograms） tall.She likes （2）______（does word puzzles/doing word puzzles） and going hiking.She usually comes to school （3）______（walk/on foot）.Her school is big and
查看题目详情 →
九年级·英语·填空题新闻报道类阅读
The Shenzhou XVIII crew（成员） returned to Earth on Monday morning Nov.4th,2024,finishing a six-month mission onboard the Tiangong space station. The astronauts brought back 55 sets of experimental samples,with a total weig
查看题目详情 →
题库使用说明
从一道题开始，形成可复盘的练习记录
题目公开，学习闭环由 VIP 解锁
题干与选项可直接浏览；答案解析、判分、错题本和针对训练需要 VIP。
再转成专项训练
发现薄弱知识点后可继续组卷或练同类题，把一次搜索转成后续练习和错题复盘。