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·选择题最...之一
（2018·青岛）Mount Lao is one of mountains in Qingdao. Many tourists like climbing it every year.
查看题目详情 →
九年级·英语·选择题形容词辨析
（2023九上·开学考）"The early bird catches the worm." means if you want to be ____, you have to do something before others.
查看题目详情 →
九年级·英语·选择题名词辨析
（2023九上·开学考）Reading is like sunshine that brightens your day. It is a good hobby for all kinds of ____.
查看题目详情 →
九年级·英语·选择题情态动词;动词辨析
（2023九上·开学考）—Is this blue schoolbag Lacy's? —It ____ be hers. Her schoolbag is blue.
查看题目详情 →
九年级·英语·选择题短语辨析
（2023九上·开学考）Life is like a race. I am ____ take on new challenges any time.
查看题目详情 →
九年级·英语·选择题短语动词;短语辨析
（2023九上·开学考）—When did this book ____? — In 1982.
查看题目详情 →
九年级·英语·选择题动词不定式
（2023九上·开学考）—We can use the video-chat to talk with our friends on WeChat. —Really? Could you please show me how ____ it?
查看题目详情 →
九年级·英语·选择题固定搭配;动词不定式
（2023九上·开学考）If you fail (不及格) in a test, don't be too worried, and try ____ your problems out and work harder.
查看题目详情 →
九年级·英语·选择题动词辨析
（2023九上·开学考）—Why did Sue go out of the room? —Because she couldn't ____ the noisy music.
查看题目详情 →
九年级·英语·填空题提纲作文
风景在旅途中,成长在过程中,改变在不知不觉中.大家进入初三已经一个多月了,请以"I am not a child any more"为题,根据以下内容写一篇英语短文,详述"我"在学习、生活中的经历,说明我的成长变化. 注意:（1）文中不得出现真实的校名、人名. （2）内容完整、层次清楚、语法正确、上下文连贯. （3）要点必须包括所有相关信息,并作适当发挥. （4）90词左右,文章标题、首句已给出,不计入总词数. I am not a c
查看题目详情 →
九年级·英语·填空题任务型阅读
Karlsson,a Swedish teacher at Beijing Union University（BUU）,has lived in China for over 15 years. The seeds（种子）of his China journey were sown when he joined in a program for East Asian studies at Lund University in Swede
查看题目详情 →
九年级·英语·填空题日常生活类阅读;形容词词义辨析;记叙文;判断推理
The Chinese video game Black Myth:Wukong（《黑神话:悟空》）has become a big hit.It sold more than 10 million（1）______（copy）in just three days after it came out on August 20.The game is based on（基于）the Chinese story Journey to the
查看题目详情 →
九年级·英语·填空题动名词
My c ______caused the fire.I forgot to turn off the stove（炉子）before I left.
查看题目详情 →
九年级·英语·填空题连词
Let\’s go to Kunming for vacation.It\’s n ______too hot nor too cold there.
查看题目详情 →
九年级·英语·填空题人物故事类阅读
His parents died when he was very young,but love was never a ______in his childhood.
查看题目详情 →
九年级·英语·填空题日常生活类阅读
Different kinds of music make a ______（colour）world for the blind.
查看题目详情 →
九年级·英语·填空题翻译填空
The Chinese government has taken further action to keep our ______（person）information safer.
查看题目详情 →
九年级·英语·填空题形容词的比较级和最高级
The more carefully you think,the better ______（decide）you will make.
查看题目详情 →
九年级·英语·填空题日常生活类阅读;判断推理;文中细节
This photo ______（使想起） me of my experience of being a teacher.
查看题目详情 →
九年级·英语·填空题社会文化类阅读
The world is full of amazing things.Let\’s see China\’s amazing technology!Nowadays,we are used to using our phone to get a map of our location.But how do our phones know where in the world,we are and in which direction
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。