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·填空题翻译填空

你想知道Steven叔叔的职业,可以这样问: ______,Steven?

查看题目详情 →

九年级·英语·填空题感叹句

A:Mrs.Black,you really help children a lot.(1)______ B:Sure.Children often call me and ask for some advice about how to solve their problems. A:(2)______ B:Many can\’t decide when to study and when to play.I think they s

查看题目详情 →

八年级·英语·选择题感叹句

We had seven days_____for the National Day holiday.( )

查看题目详情 →

九年级·英语·选择题感叹句

____________ news!We all feel excited.( )

查看题目详情 →

八年级·英语·填空题翻译填空

杨丽萍是最有天赋的舞蹈家之一,她的舞蹈惊艳了所有人. Young Liping is one of the ______ dancers and her dancing amazed everyone.

查看题目详情 →

九年级·英语·填空题文学作品类阅读

Books Prices Details English for Children 8.95dollars This book will help Russian-speaking children to learn and practice the most common words and phrases in the English language (语言).The pronunciation is also shown in

查看题目详情 →

九年级·英语·填空题文学作品类阅读

You feed me when I'm hungry. You keep water in my dish. You let me sleep on anything, or in any place I wish. You sometimes let me lick(舔)your hands, or even lick your lace, though(虽然)I often lick myself in some dirty pl

查看题目详情 →

九年级·英语·填空题文学作品类阅读

The idea for the book H arry Potter and the Philosopher's Stone came to Joanne Kathleen Rowling in 1990.It took her seven years to finish writing it.During those seven years she had a number of jobs,including one job as

查看题目详情 →

九年级·英语·填空题文学作品类阅读

What did you do on April 23,World Book Day?Did you find any interesting books?Here is a book list from China's GAPP(中国新闻出版总署). Title:Don't Blame Me,it's Not My Fault Author:Jimmy Jimmy,a Chinese painter,argued a lot with

查看题目详情 →

九年级·英语·填空题文学作品类阅读

Once you open the book,you will become a good speaker.Susan Weinschenk's excellent ideas on how to make a perfect speech are very helpful to you.With the help of the book,you will be confident to know how to give your sp

查看题目详情 →

七年级·英语·选择题感叹句

It is lucky for me to four hours taking a boat trip along the Yangtze River.( )

查看题目详情 →

九年级·英语·填空题文学作品类阅读

Dear Basketball From the right moment I was crazy about you. A love so deep I gave you my all- From my mind & body To my spirit & soul(灵魂). As a six-year-old boy Deeply in love with you I never saw the end of the tunnel.

查看题目详情 →

九年级·英语·填空题文学作品类阅读

This dictionary tells you about English words and how to use them in reading,writing and speaking English.It gives the meaning of words,and it can help you with spelling,word building,grammar and pronunciation as well. T

查看题目详情 →

九年级·英语·填空题文学作品类阅读

(2015•泉州)Here is a book that is easy to read,but it is on a big subject.The book is named Animal Farm (1945).It is by the English writer George Orwell.It is a story about farm animals.They are tired of the farmer,Mr.Jone

查看题目详情 →

九年级·英语·选择题范围介词

-I like the weather in Yunnan. It's warm all year long. - Yes. And the temperature stays __________ zero all the time there.( )

查看题目详情 →

八年级·英语·填空题形容词的原级比较

It is (possible) for us to arrive at the museum in ten minutes.It's so far from here.

查看题目详情 →

八年级·英语·选择题形容词的原级比较

—Dad, could you buy me a mobile phone like this? —Of course, we can buy a _______ one than this, but _______ it.

查看题目详情 →

九年级·英语·选择题范围介词

One of the difficulties we have English is how to remember new words and expressions.( )

查看题目详情 →

九年级·英语·选择题范围介词

I would like to see a film this evening, but things are _________ my control and I have to work.( )

查看题目详情 →

九年级·英语·选择题范围介词

Though there are so many things around us that go __________ our will, we can't give up because following the dream is valuable.( )

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。