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·句型转换Unit 1 Friends
Please tell me where I can buy the new bike. （改为同义句） Please tell me where ______ ______the new bike.
查看题目详情 →
八年级·英语·句型转换Unit 1 Friends
My coat is different from yours. （同义句） My coat ______ ______ ______ ______ yours.
查看题目详情 →
八年级·英语·句型转换Unit 1 Friends
You'd better not play football in the street.（改为祈使句） ____________ football in the street.
查看题目详情 →
八年级·英语·句型转换Unit 1 Friends
Simon has the most paper clips in his class.（改为同意句） Simon ______ ______paper clips ______ ______ ______student in his class.
查看题目详情 →
八年级·英语·句型转换Unit 1 Friends
Simon would like to use his dictionary with Mary. （同义词转换） Simon would like to ______his dictionary ______Mary.
查看题目详情 →
八年级·英语·填空题Unit 1 Friends
If you want to be ______，you need to eat ______ （health）.
查看题目详情 →
七年级上·英语·阅读理解Section A
阅读理解 Hello, I'm Kate. This is a photo of my aunt's family. The woman in the photo is my aunt, Jane. She is very kind. These are my cousins, Jeff and Jack. They are seven and they are twins. Look! That lovely baby is my a
查看题目详情 →
七年级上·英语·填空题Section A
完形填空 Come and see. This is （1） room. The room （2） is A248. You can see a bed, a bookcase, a chair and a desk （3） it. Oh, （4） under the bed? It's a dog. In the bookcase （5） some English books and CDS. A cup is （6） the des
查看题目详情 →
七年级上·英语·翻译Section A
我的笔记本在书包里。 My notebook is the .
查看题目详情 →
七年级上·英语·翻译Section A
我不认识这位老师。 I the teacher.
查看题目详情 →
七年级上·英语·填空题Section A
— Where (is/are) your schoolbag? —I don't know
查看题目详情 →
七年级上·英语·填空题Section A
—Where is the map? —It's your grandparents room, the wall. (on/in)
查看题目详情 →
七年级上·英语·填空题Section A
用方框中所给单词的适当形式填空 bookcase under hat sofa bed （1）Look! The quilt is on my . （2）My books are in the . （3）My is on my head. （4）His computer game is on the in the living room(客厅). （5）Her ruler is the chair.
查看题目详情 →
九年级·英语·填空题Unit 1 They don’t sit in rows.
Alice is 【 1 】 (I) pen friend. She is a 16-year-old girl 【 2 】 the UK, but now she lives in China. She is a student in Beijing. She likes going to school, but there are some things 【 3 】 she doesn’t like, such 【 4 】 P.E.
查看题目详情 →
九年级·英语·填空题Unit 1 They don’t sit in rows.
选词填空 surprise, you, live, other, wear 【 1 】 Jim liked China very much and he enjoyed ________ in China. 【 2 】 We are a big family, so we should help ________ when they are in need. 【 3 】 Men must ________ suit when they
查看题目详情 →
九年级·英语·单词拼写Unit 1 They don’t sit in rows.
单词拼写 【 1 】 Your school is very big, but _________( 我们的 ) is even bigger. 【 2 】 In some schools in our city, students must wear uniforms and _________( 领结 ) to school. 【 3 】 There are two big swimming _________( 池塘 ) in o
查看题目详情 →
九年级·英语·选择题Unit 1 They don’t sit in rows.
All of us find _______ necessary to do sports to keep healthy.
查看题目详情 →
九年级·英语·任务型阅读Unit 1 They don’t sit in rows.
There are some things that are almost impossible to say to our close friends — especially if we want (A) them to be our friends for life. Are you wondering what problems others have? “I can’t stand your other friends.” M
查看题目详情 →
九年级·英语·补全对话Unit 1 They don’t sit in rows.
Jim: Hello. Office Center. Kate: Hi, is that you, Jim? 【 1 】 Jim: Fine, thank you. Kate, I'm so glad that you phoned. How is your study in London? Kate: Everything is going quite well. And how about your teaching? Jim: O
查看题目详情 →
九年级·英语·填空题Unit 1 They don’t sit in rows.
根据短文内容及所给首字母提示写出所缺单词 , 使短文意思完整 , 每空一词。 As I entered an international high school, all my friends felt surprised at my short hair. This is because, my old school thinks teenage y 【 1 】 aren’t the time for looking pretty.
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。