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。
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
#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
九年级·英语·任务型阅读Unit 1 Here’s to our friendship and the future
配对阅读。左栏是对中国传统文化感兴趣的五位外国学生的描述 , 右栏是中国传统文化活动的简介 , 请为左栏的每位学生选择一个合适的活动。 【 1 】 Lisa becomes interested in traditional Chinese painting and she wants to learn how to paint bamboo in ink. 【 2 】 Alan is from India. He is studyin
查看题目详情 →
九年级·英语·补全对话Unit 1 Here’s to our friendship and the future
补全对话根据所给对话 , 填写适当的内容 , 使其完整、正确 ( 每空词数不限 ) 。 (Alice and Jack are talking on the phone.) Alice: Hello! Alice speaking. Who's that? Jack: Hi, Alice. 【 1 】 Alice: Hi, Jack. Where are you? Jack:I'm on the bus.I'm going home f
查看题目详情 →
九年级·英语·任务型阅读Unit 1 Here’s to our friendship and the future
In 1998, I wrote a letter for my future self with instructions not to open until my birthday in 2010. It was now 2011, so I decided to open it. This is what it said: Dear Sherri, By the time you read this, you will be 30
查看题目详情 →
九年级·英语·填空题Unit 1 Here’s to our friendship and the future
阅读下面短文，用括号内所给动词的适当形式填空 （必要时可加情态动词或助动词）。 Ray was thought to be a strange boy. One day when he was flying his kite, he said to himself, “Did anybody ever try to fly a kite at night? I think it must be very fun. But the kit
查看题目详情 →
九年级·英语·选择题Topic 1 China attracts millions of tourists from all over the world.
— Where is the School English Speech Contest going to be held tonight? — I’m not sure. Is it in the hall _____ can hold 300 people?
查看题目详情 →
九年级·英语·单词拼写Topic 1 China attracts millions of tourists from all over the world.
Hong Kong is ________(著名的) as“the Shopping Heaven”.
查看题目详情 →
九年级·英语·单词拼写Topic 1 China attracts millions of tourists from all over the world.
You can’t _______(期望) to learn a foreign language in a few months.
查看题目详情 →
九年级·英语·单词拼写Topic 1 China attracts millions of tourists from all over the world.
Police tried to _________(使分开) the two men who were fighting.
查看题目详情 →
九年级·英语·单词拼写Topic 1 China attracts millions of tourists from all over the world.
People ________(认为) Taiwan as “the Treasure Island of China”.
查看题目详情 →
九年级·英语·连词成句Unit 7 Work for Peace
where, and, did, you, friends, your, go ________________________________________________________________________ ?
查看题目详情 →
九年级·英语·连词成句Unit 7 Work for Peace
I, go, haven't, decided, or, not, whether, to ________________________________________________________________________ .
查看题目详情 →
九年级·英语·连词成句Unit 7 Work for Peace
it, true, sounds, not, perfect, but ________________________________________________________________________ .
查看题目详情 →
九年级·英语·连词成句Unit 7 Work for Peace
we, both, are, friendly and outgoing ________________________________________________________________________ .
查看题目详情 →
九年级·英语·任务型阅读Unit 7 Work for Peace
Many children today live in unsafe places. They may live where wars have been fought or where there is a lot of crime. Play for Peace is an organization formed to help children in unsafe places. It does so by bringing ki
查看题目详情 →
九年级·英语·填空题Unit 7 Work for Peace
Different countries have different table manners. It's very 【 1 】 (interest)! Here are some examples. In some countries, it's polite to 【 2 】 guests with enough food, while in other countries, people don't do this 【 3 】
查看题目详情 →
九年级·英语·填空题Unit 7 Work for Peace
(2020 原创 )I don't know w ________ they will come or not. If I know, I will tell you.
查看题目详情 →
九年级·英语·单词拼写Unit 7 Work for Peace
(2020 原创 )Please keep s ________ when we have a meeting. We can't hear what other people say.
查看题目详情 →
九年级·英语·连词成句Unit 8 Culture Shapes Us
he, went out, still, was, raining, although, it _________________________________________________________ .
查看题目详情 →
九年级·英语·连词成句Unit 8 Culture Shapes Us
though, he, positive, is, blind, is, he _________________________________________________________ .
查看题目详情 →
九年级·英语·连词成句Unit 8 Culture Shapes Us
I, go, am, but, busy, would love to, I _________________________________________________________ .
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
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。