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·阅读理解Unit 5 Action

The first reality TV show in the world was called Expedition Robinson and it was shown in Sweden in 1997. Half the population of the country watched the final event and a new kind of TV program was born. Two years later

查看题目详情 →

九年级·英语·阅读理解Unit 5 Action

On September 25th, I took part in a film festival for the first time. This publicly-attended film festival is the Milwaukee Film Festival. It usually begins on the fourth Thursday night of September and lasts for fifteen

查看题目详情 →

九年级·英语·阅读理解Unit 5 Action

Do you want to join a club in our school? Here are some clubs that you might be interested in. Chinese Culture Club The Chinese Culture Club The Chinese Culture Club focuses on exploring Chinese culture. You don't have t

查看题目详情 →

九年级·英语·填空题Unit 5 Action

Usually, we should use words to communicate. But we often "say" more without using words! We say many things with body language. Our faces and body movements both show our body language. Our body language (1) a lot about

查看题目详情 →

九年级·英语·选择题Unit 5 Action

- Tony just ____________ in class. He has been sent to hospital. -What's wrong with him? He was OK in the morning. ( )

查看题目详情 →

九年级·英语·选择题Unit 5 Action

- Why do many Chinese people like the number 8? -Because they think 8 is a ____________ number. ( )

查看题目详情 →

九年级上·英语·阅读理解Unit 4 Problems and advice

阅读理解 In the summer between my first year and second year in college, I was invited to be an instructor(辅导员)at a high school camp. On the first day, when we were dancing and playing games, I noticed a boy under the tree w

查看题目详情 →

九年级上·英语·阅读理解Unit 4 Problems and advice

阅读下列短文,从下面每小题的A.B.C .D四个选项中选出最佳选项。 As parents, you can help children deal with the fear of natural disasters (自然灾害) and help protect them from being hurt by telling them how disasters happen, and what to do when disaster

查看题目详情 →

九年级上·英语·阅读理解Unit 4 Problems and advice

根据短文内容,选择正确答案。 Clothes are important and necessary to us, but do you know how to choose suitable clothes in a correct way? Here are some ideas for you.When you go shopping and want to buy some clothes, you should think a

查看题目详情 →

九年级上·英语·阅读理解Unit 4 Problems and advice

阅读理解 Friends are important to the children. Research shows that children who have no friends can suffer from difficulties later in life. Friendship provides children with more than just fun. By making friends, children l

查看题目详情 →

九年级上·英语·填空题Unit 4 Problems and advice

根据短文理解,从A、B、C、D四个选项中选择最佳答案填空。 Anne is a newspaper reporter. She chose this (1) so she could travel around the world. The work has taught her many (2) lessons. She has seen wars, earthquakes and death. But she has also se

查看题目详情 →

九年级上·英语·填空题Unit 4 Problems and advice

阅读下面短文, 从短文后所给的A、B、C三个选项中选出能填入相应空白处的最佳选项。 My mother's loving hands Night after night, she came to help me sleep, even long after my childhood years. I don't remember (1) it first started making me a little angry-my mum's

查看题目详情 →

九年级上·英语·填空题Unit 4 Problems and advice

语法填空 I was looking through my old photos last Sunday. One photo (catch) my eye. In the photo, I was sitting in a chair, hugging Duke, my best friend in the whole world. Duke was an interesting name for such (an) little d

查看题目详情 →

九年级上·英语·填空题Unit 4 Problems and advice

阅读下面短文,根据文章大意用所给单词的适当形式填空(未提供单词的,限填一词),使文章意思完整、正确。 There is a nice family living in Valladolid, a beautiful city in Spain. father, Jose Garcia, is a tall and friendly man. He (work) in a famous company. He married Teresa

查看题目详情 →

九年级上·英语·阅读理解Unit 3 Family life

根据短文内容,选择正确答案。 If you want to know the history of Asia, you must visit Nepal. It is one of the oldest countries in Asia. When you travel to Nepal, you should pay attention to these following things. Remember them and the

查看题目详情 →

九年级上·英语·阅读理解Unit 3 Family life

根据短文内容,选择正确答案。 Be honest. That's all you have to do on Honesty Day. It would be great if we were all honest every day of the year. It's good that there is a day to encourage honesty. M. Hirsh Goldberg started Honesty Day

查看题目详情 →

九年级上·英语·阅读理解Unit 3 Family life

根据短文内容,选择正确答案。 There was a boy and his family was very rich. One day his father took him on a trip to a place. He wanted to show his son how poor people were there. They spent several days on a farm. There were many poor

查看题目详情 →

九年级上·英语·阅读理解Unit 3 Family life

阅读理解 Family traditions are special habits or customs that your family have. For example, in the family of Bill Gates, his parents keep the tradition of reading with children. And what's the tradition in your family? ★Nic

查看题目详情 →

九年级上·英语·阅读理解Unit 3 Family life

根据短文内容,选择正确答案。 Do you know how to play a game called “Musical Chairs”? It is easy to play and most people enjoy it. All you need are some chairs, some people and some ways of making music. You may use a piano or any othe

查看题目详情 →

九年级上·英语·阅读理解Unit 3 Family life

根据短文内容,选择正确答案。 The word “day” has two meanings. When we talk about the number of days in a year, we are using “day” to mean 24 hours. But when we talk about day and night, we are using “day” to mean the time between sunr

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。