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·选择题过去完成时
I arrived at the concert hall,I realized that I had forgotten my ticket.（ ）
查看题目详情 →
七年级·英语·填空题过去完成时
We ______ （sleep） at 10:00 p.m.last night.
查看题目详情 →
七年级·英语·填空题现在进行时
请从方框内选择适当的词并用其正确形式填空,使文章完整连贯.注意每空一词,每词仅用一次,有两词为多余项.请将答案写在答题卡对应题目的答题位置上. fun really send we activity different a at laugh son both handsome I had a good time last Saturday.It was full of （1）______ !It was a sunny day.My 8
查看题目详情 →
九年级·英语·选择题一般过去时
The child as well as his parents__________ the performance at the moment.（ ）
查看题目详情 →
九年级·英语·选择题一般现在时
-When shall I hand in my project? -As soon as it __________tomorrow.（ ）
查看题目详情 →
七年级·英语·填空题问候
have,she,doesn\’t a,car （.） ______
查看题目详情 →
七年级·英语·填空题问候
A:Hello,Tony.Why are you in a hurry? B:I lost my bag. A（1）______ B:I remember putting it under a tree near the playground. A: （2）______ B:About 10 am before my PE lesson. A:Bad luck!Is there anything important in your ba
查看题目详情 →
七年级·英语·选择题现在完成进行时
The city is_____beautiful now than ten years ago.（ ）
查看题目详情 →
七年级·英语·填空题现在完成进行时
Lucy\’s never late for school．（改成反意疑问句） Lucy\’s never late for school, ______?
查看题目详情 →
七年级·英语·填空题现在完成进行时
Janet has been a headmaster since she was 35 years old . （划线部分提问） ______ has Janet been a headmaster?
查看题目详情 →
七年级·英语·填空题现在完成进行时
Tom has a long neck. （改为否定句） Tom ____________a long neck.
查看题目详情 →
八年级·英语·补全对话Unit 2 I believe that the world is what you think it is
Complete the dialogue with proper words, one word for each blank. A: I'll miss you, Diana! B: Oh, I feel just the 【 1 】 ! We must try to continue our friendship, even though we will no 【 2 】 be at school together. A: Yes
查看题目详情 →
八年级·英语·句型转换Unit 2 I believe that the world is what you think it is
句型转换 【 1 】 I'm afraid to be alone.( 改为同义句 ) I'm afraid ________ ________ alone. 【 2 】 Could you tell me where we show our tickets?( 改为同义句 ) Could you tell me ________ ________ ________ our tickets? 【 3 】 They had fun in
查看题目详情 →
八年级·英语·完成句子Unit 2 I believe that the world is what you think it is
根据汉语意思完成下列句子 , 每空一词 【 1 】 每次我看到这张照片 , 我都会对它微笑。 ________ ________ I see this picture,I will ________ ________ it. 【 2 】 春天来了 , 天气一天天地暖和起来。 When spring comes,it's getting warmer and warmer ________ ________ ________ . 【 3
查看题目详情 →
八年级·英语·选择题Unit 2 I believe that the world is what you think it is
These animals are in danger.We should think about ________ to protect them.
查看题目详情 →
八年级·英语·选择题Unit 2 I believe that the world is what you think it is
Let's keep quiet.I'm ________ waking up my father.
查看题目详情 →
八年级·英语·选择题Unit 2 I believe that the world is what you think it is
China is becoming stronger and stronger ________.
查看题目详情 →
八年级·英语·选择题Unit 2 I believe that the world is what you think it is
Lucy is a kind and outgoing girl.And we want to make friends ________ her.
查看题目详情 →
八年级·英语·填空题Unit 2 I believe that the world is what you think it is
用方框中所给短语的适当形式完成下列句子 , 使句子通顺、正确 worry about,in silence,make friends,no one,day by day 【 1 】 It is hard for him to ________ with others. 【 2 】 He was left alone,with ________ to look after him. 【 3 】 I don't think you need
查看题目详情 →
七年级·英语·任务型阅读Unit 4 After-School Activities
For Miller, an 80yearold man, it's a chance of a lifetime. Miller is a part of a group of around 60 Germans who are on a bus journey along the ancient Silk Road. About this journey, he says, “I have been deeply interes
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。