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
九年级·英语·填空题主谓一致

like ______

查看题目详情 →

九年级·英语·填空题文学作品类阅读

My favorite great book is The Adventure of Tom Sawyer by Mark Twain.Tom lives with his aunt Polly in a quiet street of St.Petersburg,Missouri.He's a lively and clever young boy,and he finds himself in many exciting adven

查看题目详情 →

九年级·英语·选择题一般现在时的被动语态

(1分)(2023·呼和浩特模拟)—Can I go out to play badminton, Mom? —Look, your bedroom is in a mess. You can't go out until it .

查看题目详情 →

九年级·英语·选择题一般现在时的被动语态

(2分)(2023·泗洪模拟)—Mrs. Doreen, when shall I show my short video called "Chinese Celebration for New Year"? —As soon as it_________tomorrow.

查看题目详情 →

九年级·英语·填空题新闻报道类阅读

The Feynman Technique(费曼学习法) was developed by Nobel Prize-winning physicist Richard Feynman.It\’s a study method that helps students learn by teaching others. The Feynman Technique has been one of the most effective(有效的)

查看题目详情 →

九年级·英语·选择题状语从句

His father has worked in this factory __________ he came here in 2008.( )

查看题目详情 →

九年级·英语·选择题一般现在时的被动语态

(2022九上·浦东开学考) At that time some boys ____basketball on the playground.

查看题目详情 →

九年级·英语·填空题一般现在时的被动语态

(2022九上·浦东开学考)The fish are from the birds' mouths to a big basket.(move)

查看题目详情 →

九年级·英语·填空题不定式

Lucy made her ______ (decide) to live with her mother.

查看题目详情 →

九年级·英语·填空题文学作品类阅读

How The Little Kite Learned To Fly? By Katherine Pyle "I never can do it."the little kite said, As he looked at the others high over his head. "I know I should fall if I tried to fly." "Try,"said the big kite,"only try!

查看题目详情 →

九年级·英语·填空题文学作品类阅读

My Favorite Sweater By Bonnie Highsmith Taylor My favorite sweater grew too small. I love that sweater best of all. My grandma made it when I was three. She made that sweater just for me. I picked the yarn (纱线),a special

查看题目详情 →

九年级·英语·填空题文学作品类阅读

I have tried to write a ghost story that won't make you unhappy with yourselves,with the seasons,or with me.I hope it haunts your houses pleasantly. Charles Diclens One Christmas Eve,old Scrooge and Bob were working busi

查看题目详情 →

九年级·英语·选择题语态的辨析

Smoking _____ in public places in China.( )

查看题目详情 →

九年级·英语·选择题语态的辨析

A lot of stories by grandma when I was young.( )

查看题目详情 →

九年级·英语·选择题不定式

-Do you prefer basketball with me? -No,I'd rather at home and watch TV.( )

查看题目详情 →

九年级·英语·填空题不定式

教师们对学生们很有耐心. The teachers are very ______ the students.

查看题目详情 →

九年级·英语·选择题语态的辨析

Rice ________ by hand in many countries,such as China and India.( )

查看题目详情 →

九年级·英语·填空题一般现在时的被动语态

(2023·市北区模拟) 用所给词的适当形式填空。每词限用一次。 organize; disappear; raise; regard; support 【小题】 I believe our parents us no matter what happens. 【小题】 So far, we enough money for the poor sick boy. 【小题】 They a meeting between the teach

查看题目详情 →

九年级·英语·填空题一般现在时的被动语态

(2022九上·广西壮族自治区开学考) Most young people are quickly (influence)by new ideas.

查看题目详情 →

九年级·英语·选择题不定式

-What about going to the movies? -It\’s raining heavily.I prefer a movie at home to to the cinema.( )

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。