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
七年级·英语·填空题社会文化类阅读
Emma and Ella are twins（双胞胎）.One day,Emma\’s（1）______Victoria asked Emma, "It is very good to have a twin sister,right?" "Yes.I like to be with Ella all the time.But I don\’t （2）______one thing — Ella and I always have t
查看题目详情 →
八年级·英语·填空题社会文化类阅读
danger smart use be do can it take robot people Robots are becoming a big part of our lives.They（1）______very popular with most people.They have a long history.You may see robots in some science films.They are stronger,f
查看题目详情 →
七年级·英语·填空题任务型阅读
Dear Grandma, I\’m sorry to hear that you are sick.So you can\’t join my party and enjoy the birthday cake with us.Are you feeling better now? I\’m writing to say thank you for your gifts.I love the books!I\’m happy to r
查看题目详情 →
八年级·英语·填空题任务型阅读
Dear Julia, I\’m very glad to hear that you\’re arriving next weekend.Let me tell you how to get to my home.Take a taxi from the airport and go along the highway（高速公路）until（直到…为止） you see a center park on your right.Turn
查看题目详情 →
九年级·英语·填空题任务型阅读
A recent report by the American Heart Association— a big organization that encourages adults and kids to stay healthy— found that kids 30 years ago could run faster and longer than kids today.The report found that today\
查看题目详情 →
八年级·英语·选择题任务型阅读
—Let\’s take a photo together. —Yeah,it\’s a good way to the wonderful time.（ ）
查看题目详情 →
七年级·英语·选择题任务型阅读
Each of the members in the Designing Club a T-shirt at the end of every term.（ ）
查看题目详情 →
九年级·英语·填空题任务型阅读
When I took a journey into the popular National Air and Space Museum,I found that lots of children all over the place were happy.I thought, "If I were a child again,this would be a right place." As I entered the cockpit
查看题目详情 →
八年级·英语·填空题任务型阅读
My best friend Connie is two years older than me.We （1）______a lot of time together. Connie has long dark brown hair and her eyes are big and round.People say she is（2）______and looks like a doll.When we go out,people of
查看题目详情 →
九年级·英语·任务型阅读教育文化类阅读
Tips for Writing Better Articles Many of us don't spend a lot of time improving our writing skills．This can be a problem when we hand in our articles．Good writing skills will help us improve our grades and benefit us lat
查看题目详情 →
九年级·英语·选择题表语从句
In daily life，super stars are different from _____ in the film．（ ）
查看题目详情 →
九年级·英语·选择题表语从句
Alice in Wonderland is a fantastic movie．It's about ．（ ）
查看题目详情 →
九年级·英语·填空题表语从句
It is （possible） to improve our English without enough practice．
查看题目详情 →
九年级·英语·填空题表语从句
The horror film kept the little girl （wake） all night．
查看题目详情 →
九年级·英语·选择题过去将来时的被动语态
Jack told the librarian that the book _______as soon as he finished reading it.
查看题目详情 →
九年级·英语·其他过去将来时的被动语态
She asked me, “When will the meeting be held?”（改为复合句） She asked me when the meeting________ ________ ________.
查看题目详情 →
九年级·英语·填空题首字母阅读填空
Read the following passage and fill in the blanks with proper words （在下列短文内填入恰当的词，使其内容通顺，每空格限填一词，首字母已给） Do you know something about rings （年轮）？Do you know they can tell us what the weather was like，sometimes even hundred
查看题目详情 →
九年级·英语·填空题首字母阅读填空
A girl's eight-year travel in Tibet "For those who haven't been to Tibet，Tibet is a dream； for those who have（61）a been there，Tibet is a remembrance（记忆）．"said Li Wan，a graduate from Zhongshan University．"To local Tibetan
查看题目详情 →
九年级·英语·填空题首字母阅读填空
根据短文内容和首字母的 提示，把所缺单词完整地填写在短文后的横线上 Nowadays，it's common to keep dogs as pets．We can often see dogs'owners taking them for a walk．But have you（86）h of taking penguins for a walk？Here（87）i a piece of news from Japan．In Toky
查看题目详情 →
九年级·英语·填空题首字母阅读填空
In many countries，people t （61）by car or by bike．They also get from place to place using p （62）transport such as buses and trains．However，some people live in parts of the world where it is i （63）to build roads．In these p
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。