题霸题霸学习平台

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

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
七年级·英语·填空题汉译英

跟朋友分别时,可以这样说再见: ______

查看题目详情 →

七年级·英语·填空题图表作文

请以My Home and My School为主题,写一篇60词左右的英语短文,简单介绍你的家和学校.内容必须包括:(1)你所住的房子的环境、结构; (2)你所在学校的环境、主要建筑物及场所. 注意事项: (1)必须包含所有提示信息,可适当发挥(开头已写出,不计入总词数); (2)意思清楚,表达通顺,行文连贯,书写规范; (3)请勿在文中使用真实的姓名和校名. Let me tell something about my home a

查看题目详情 →

七年级·英语·填空题图表作文

假设你是七年级11班的陈红,在新的学年里来到新的班级.请你根据以下思维导图内容提示用英文写一篇短文,向同学们做自我介绍. 注意: (1)可在思维导图内容提示的基础上适当拓展信息. (2)不能照抄原文;不得在作文中出现真实和学生的真实姓名. (3)语句连贯,词数50左右.作文的开头已经给出,不计入总词数. Hello,everyone.________

查看题目详情 →

七年级·英语·填空题选择疑问句

That is a new shirt.(改为复数形式) ______ ______new shirts.

查看题目详情 →

七年级·英语·填空题句型转换

Alice does the shopping on Sundays.(改为否定句) Alice____________ the shopping on Sundays.

查看题目详情 →

七年级·英语·填空题政治经济类阅读

Erica is a nine-year-old girl.Today is a beautiful day for Erica.Her uncle will come from Australia (澳大利亚) today.Her uncle is twenty-seven.He lives there for three years.He will bring a big surprise (惊喜) for Erica. The s

查看题目详情 →

七年级·英语·选择题感叹句

________ great music it is !( )

查看题目详情 →

七年级·英语·填空题英译汉

In most classes,students sit at desks and listen to teachers in a classroom.But in a new class at Chapman Middle School(CMS) in Kansas,US,students are leaving the blackboards behind for blue skies and green grass. In fac

查看题目详情 →

七年级·英语·填空题逸闻趣事类阅读

A crow(乌鸦) lived in the forest and was very happy with his life.But one day he (1)______ a swan(天鹅)."This swan is so white,"he thought,"and I am so black.This swan must be the happiest bird in the world." He told his ide

查看题目详情 →

七年级·英语·选择题逸闻趣事类阅读

—The room is nice. —Yeah.It is_________room.( )

查看题目详情 →

七年级·英语·填空题逸闻趣事类阅读

You shouldn\’t say bad words about someone because of his or her ______(相貌).

查看题目详情 →

七年级·英语·填空题逸闻趣事类阅读

We had a terrible school trip last weekend.Some students were late.Then we waited half an hour for the school bus,but it didn\’t arrive.Finally,our teacher took us to take the subway.It took us about an hour.After we got

查看题目详情 →

七年级·英语·选择题阅读排序

Jenny ate a lot this morning,but she was still______.( )

查看题目详情 →

七年级·英语·填空题逸闻趣事类阅读

Mr.Brown\’s store has some puppies for sale from $30 to $50.A little boy comes to his store and says, "Sir,I want to buy one of your puppies." "Well," says Mr.Brown, "these puppies need a lot of money." "I have only one

查看题目详情 →

七年级·英语·填空题主语从句

The name of the book s ______good.I want to read it now.

查看题目详情 →

七年级·英语·填空题主语从句

Those two ______ can speak Chinese fluently. (Japan)

查看题目详情 →

七年级·英语·填空题主语从句

Most of ______(老鼠) are afraid of cats.

查看题目详情 →

七年级·英语·选择题阅读表达

One of them the answer is right.( )

查看题目详情 →

七年级·英语·填空题连词成句

Is ______(those) your sister?

查看题目详情 →

七年级·英语·填空题翻译填空

他经常在他的空闲时间里玩电脑游戏吗? ______

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

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。

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。