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
八年级·英语·句子翻译Unit 4 Inventions
随着科技technology的发展，人们有很多方式保持联系． ______
查看题目详情 →
八年级·英语·句子翻译Unit 4 Inventions
如果你需要帮助，随时随地打电话给我． ______
查看题目详情 →
八年级·英语·句子翻译Unit 4 Inventions
地铁里有很多乘客，包括两个我最好的朋友． ______
查看题目详情 →
八年级·英语·句子翻译Unit 4 Inventions
当我们长大，就不能再依靠父母了． ______
查看题目详情 →
八年级·英语·句子翻译Unit 4 Inventions
我想要预定一个靠窗的三人就餐的桌子． ______
查看题目详情 →
七年级上·英语·填空题Unit 3 Friends from other countries
Choose the best answer and complete the passage. Each nation has many good people who help to take care of others. For example, some high school and college （1） in the USA often spend many hours as volunteers(志愿者) in the
查看题目详情 →
七年级上·英语·填空题Unit 3 Friends from other countries
Choose the best answer and complete the passage. Hello, dear friends. I'll show you some places of interest. Our first stop is London! London has （1） nine million visitors every year. They come and visit some of （2） buil
查看题目详情 →
七年级上·英语·句型转换Unit 3 Friends from other countries
my school , to, Penfriends International, your name, has sent (连词成句)
查看题目详情 →
七年级上·英语·句型转换Unit 3 Friends from other countries
My penfriend is from Britain . (对划线部分提问) your penfriend's ？
查看题目详情 →
七年级上·英语·填空题Unit 3 Friends from other countries
Many are going to visit our school next week. (Australia)
查看题目详情 →
七年级上·英语·填空题Unit 3 Friends from other countries
His family in the estate for 8 years. (live)
查看题目详情 →
七年级上·英语·填空题Unit 3 Friends from other countries
of all, please let me introduce myself to you. (one)
查看题目详情 →
七年级上·英语·填空题Unit 3 Friends from other countries
Over 25, 500 live in Garden City nowadays. (Britain)
查看题目详情 →
八年级上·英语·阅读理解Unit 3 Computers
阅读理解 We are all busy talking about and using the Internet, but how many of us know the history of the Internet? Many people are surprised when they find that the Internet was set up in the 1960s. At that time, computers
查看题目详情 →
八年级上·英语·阅读理解Unit 3 Computers
根据短文内容，选择正确答案。 Terrafugia Company has said that its flying car, named Transition, has successfully finished a 37- second test flight. On March 5th, 2009, at Plattsburgh International Airport in New York. The company's ch
查看题目详情 →
八年级上·英语·阅读理解Unit 3 Computers
根据短文内容，选择正确答案。 The computers changed our lives in the 1980s, the Internet changed our lives in the 1990s, and the robots will change our lives in the new century. Do you think there will be robots in people's homes? It's
查看题目详情 →
八年级上·英语·阅读理解Unit 3 Computers
阅读理解 The world's first "flying car" will soon appear in the market--It will be yours for just $127, 000.The Terrafugia Transition is a light sport plane with four wheels and foldable (可折叠的) wings. It can fly up through t
查看题目详情 →
八年级上·英语·填空题Unit 3 Computers
完形填空 In some science fiction movies，the robots are just like humans. They help with the housework and do the most （1） jobs. Some scientists believe that there will be such robots in the future. （2） , they agree it may （3
查看题目详情 →
八年级上·英语·填空题Unit 3 Computers
完形填空 Nick is a 14— year— old schoolboy. His life is full of exams and studies on weekdays. He has （1） free time. He thinks playing computer games （2） the best way to make him relax. When he has free time, he sits in fron
查看题目详情 →
八年级上·英语·填空题Unit 3 Computers
完形填空 What do you think of your Chinese? Is it good or bad? If you think you are good at Chinese, you can （1） the competition named Dictation Assembly of Chinese Characters(《汉字听写大会》). The competition became popular （2） te
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。