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

八年级·英语·填空题Unit 6 Travel

He makes perfect bread and cakes,which you can taste and buy at this ______ .（bake）

查看题目详情 →

八年级·英语·填空题Unit 6 Travel

P&G is one of the ______ in the mass market of the cosmetics industry.（lead）

查看题目详情 →

八年级·英语·填空题Unit 6 Travel

There is nothing ______ to be done for this man unless he himself works hard.（far）

查看题目详情 →

八年级·英语·填空题Unit 6 Travel

All the displays in this museum show the brilliance of China's ancient ______ .（cultural）

查看题目详情 →

八年级·英语·填空题Unit 6 Travel

If your pharmacy doesn't stock the ______ you want,have them order them for you.（produce）

查看题目详情 →

八年级·英语·填空题Unit 6 Travel

They like this valley very much and even marked it on the map as a ______ route.（scene）

查看题目详情 →

七年级·英语·阅读理解Unit 4 seasons

Somebody says that it is raining cats and dogs. We know it means it is raining heavily. Here you can know why people say like this. There are many large rats (老鼠) in a country. People need cats. But there are many mounta

查看题目详情 →

七年级·英语·填空题Unit 4 seasons

Holidays in China There are many holidays in China. Holidays are very fun. I can play with my friend _________________ holidays. January 1 is New Year's Day. I like _________________ shopping on that day. March 3 is Kite

查看题目详情 →

七年级·英语·填空题Unit 4 seasons

填空题【1】Look at the ________ (hunger) boy. He wants to eat something. 【2】Nancy is a ________ (beauty) lady. She always wears nice skirts. 【3】It's raining ________ (heavy) outside. 【4】It is not fair to ________ (kick) anot

查看题目详情 →

七年级·英语·选择题Unit 4 seasons

________ is nice ________ a cup of coffee in the morning.

查看题目详情 →

九年级·英语·阅读理解Unit 2 Great People

On the morning of July 14, 1960, Jane Goodall arrived at Lake Tanganyika in the Gombe National Park. Then around 5 p.m., Jane went into the forest to find her first chimpanzee. As a young woman, Jane Goodall was followin

查看题目详情 →

九年级·英语·填空题Unit 2 Great People

Is sleeping longer during weekends good for you? Scientists 【 1 】 (mention) that this habit is bad for your health and can make you gain weight. According to sleep experts ( 专家 ), sleeping longer during weekends is 【 2 】

查看题目详情 →

八年级·英语·单词造句Unit 5 Magazine articles

went,before,she,us,asked,she,shopping,we,needed,what ______

查看题目详情 →

八年级·英语·单词造句Unit 5 Magazine articles

Daisy,the,since,worked,2001，hotel,has,in？ ______

查看题目详情 →

八年级·英语·填空题Unit 5 Magazine articles

He ______ the pictures in his own words.（description）

查看题目详情 →

八年级·英语·填空题Unit 5 Magazine articles

Will you please ______ the third paragraph again for us？（explanation）