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。

搜索示例：七年级数学 · 中等难度 · 选择题 · 5 道

免费在线组卷浏览免费试卷

学科

不限语文数学英语物理化学生物历史地理道法

年级

不限七年级八年级九年级

高频错题

近期常错题排行

根据匿名练习记录整理

#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

清除筛选

九年级·英语·句型转换语法

Do you know the woman？The woman has a red bag. （合并为一个句子） Do you know the ____________a red bag？

查看题目详情 →

九年级·英语·句型转换语法

I think the man is running . （就画线部分提问） ________________________ the man is running？

查看题目详情 →

九年级·英语·填空题阅读排序

（2014•海珠区一模）Shirley Jane Temple was the leading child actor of her time，receiving a special Oscar and acting the leading role in films like Bright Eyes and Heidi． Shirley Jane Temple was born on April 23，1928，in Santa Mo

查看题目详情 →

九年级·英语·填空题阅读排序

I'm Jack，and I am a middle school student．Yesterday was the most exciting day in my life．I was on TV!This is my first time on TV．In the evening，Mum，Dad and I were watching a TV programme in the sitting room and there I w

查看题目详情 →

九年级·英语·填空题阅读排序

Last summer，Mark became a middle school student．He took an English test in the first month．Mark was a good student and he worked hard．He finished the questions easily until he read the last one："Everyone sees our school'

查看题目详情 →

九年级·英语·填空题判断推理

Can you imagine a world without chocolate?According to chocolate makers,it could happen if we don\’t act soon. There are two main causes of the chocolate shortage —chocolate\’s growing popularity and less production of c

查看题目详情 →

九年级·英语·选择题主谓一致

--Your jacket feels so nice,what\’s it made ______ ? --Silk,and it is also made _____ hand.（）

查看题目详情 →

九年级·英语·选择题语态的辨析

-Oh，the room is too dirty，Tony! -Sorry，Mom．It yesterday．I forgot to do it．（）

查看题目详情 →

九年级·英语·选择题语态的辨析

Our homework should _______ in time every day．（）

查看题目详情 →

九年级·英语·选择题语态的辨析

-Now old people without children ______ good care of by our government． -How happy they are!（）

查看题目详情 →

九年级·英语·选择题一般现在时的被动语态

Now Chinese couples to have three children to reduce the pressure of an aging population.（）

查看题目详情 →

九年级·英语·填空题历史文化类阅读

The Bermuda Triangle The Bermuda Triangle is a place in the North Atlantic Ocean where lots of ships and planes,such as a group of planes called Flight 19 in 1945 and a big ship called the USS Cyclops in 1918,have gone m

查看题目详情 →

九年级·英语·选择题语态的辨析

_________ a new building _________ in our school last year？（）

查看题目详情 →

九年级·英语·解答题不定式

I____ （do） my homework at this time yesterday．

查看题目详情 →

九年级·英语·选择题复合形容词

（2023·松北模拟）— It's amazing that the _________girl fought against her disease. — She's such a brave girl.

查看题目详情 →

九年级·英语·选择题代词辨析

—Thanks god!Meng Wanzhou has successfully returned to China. —You can\’t imagine how much difficulty China had ________ the problem.（）