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
八年级·英语·填空题汉译英
空气污染比水污染更严重. Air pollution ______water pollution.
查看题目详情 →
八年级·英语·选择题代词辨析
-Do you have any brothers,Bill?（ ） -Yes,I have two brothers．________ of them live in London．
查看题目详情 →
八年级·英语·填空题普通名词
Do you think which team ______the coming match,Class 11 or Class 12?（ win）
查看题目详情 →
八年级·英语·选择题代词辨析
Mr.Deng has got two daughters.________ of them like playing the violin.（ ）
查看题目详情 →
八年级·英语·填空题日常生活类阅读
Most people think ______（法语） is a beautiful language,but too difficult to learn.
查看题目详情 →
八年级·英语·填空题人物故事类阅读
The car was invented just a century ago.You may know all kinds of cars\’ names,but many people don\’t know who was the inventor of the first car.The first car was invented not by an Englishman,but by an American.His name
查看题目详情 →
八年级·英语·填空题特殊疑问句
—Who jumps ______ （high）in your class? —Lin Tao does.
查看题目详情 →
八年级·英语·选择题特殊疑问句
He TV for two hours last night.（ ）
查看题目详情 →
八年级·英语·填空题人物故事类阅读
together,terrible,sale,die,fall ,successful ,help,off ,a ,plan,college Hemesh Chadalavada and his grandma were very close.In 2018,when he was 12 years old,they lived（1）______in a small town.They had quite（2）______lot of
查看题目详情 →
八年级·英语·选择题特殊疑问句
-- _______ -- It\’s great.（ ）
查看题目详情 →
八年级·英语·填空题新闻报道类阅读
Baduanjin is a kind of popular exercise in China.It started in Song Dynasty（朝代）,and has a history of more than 800 years. Baduanjin has eight simple movements.Each movement is slow and helps to keep a different part of y
查看题目详情 →
八年级·英语·填空题逸闻趣事类阅读
D.J.Smith wanted to go to school.When he first had the idea,everyone in his town thought he was crazy. "Are you kidding?Go to school at your age?" said one man. "That\’s right.You are blind without your glasses on," said
查看题目详情 →
八年级·英语·填空题逸闻趣事类阅读
One day in the morning,a little girl made her daily trip to school on foot though there were many dark clouds in the sky.When school was over,the little girl walked home carrying nothing in her hands.On the way home,wind
查看题目详情 →
八年级·英语·填空题宾语从句
Welcome to our food festival! We will have our school food festival next Friday afternoon.Come and enjoy it! The food festival will begin in the school dining hall at 2 p.m.and end at about 5 p.m.There will be fifty tabl
查看题目详情 →
八年级·英语·填空题宾语从句
tomorrow ______
查看题目详情 →
八年级·英语·填空题历史文化类阅读
Did you climb a tree when you were young?How did you feel?What if you have a"tree climbing class""at school?A primary school in Hangzhou has opened a "tree climbing class" recently.Quite a lot of people are interested in
查看题目详情 →
八年级·英语·填空题逸闻趣事类阅读
Mr.and Mrs.Miller lived with a pet dog,Rita.They started a trip with Rita last November.On the seventh day of the trip,Mr.and Mrs.Miller were playing happily by a river when a heavy rain suddenly （突然地）came.At that time t
查看题目详情 →
八年级·英语·选择题逸闻趣事类阅读
We waited an hour for the bus,but it didn\’t ______.（ ）
查看题目详情 →
八年级·英语·填空题逸闻趣事类阅读
Shubham, （1）______ 13-year-old school boy in California,has made a cheap machine which can help blind people read. Last year,Shubham （2）______（do） some online research.He was surprised to learn that Braille printers （盲人打
查看题目详情 →
八年级·英语·填空题祈使句
at,turn right,crossing,third,the ______.
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。