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
八年级下·英语·阅读理解Unit 4 Cartoons and comic strips
阅读理解 Most children like to watch cartoons on TV because of the funny characters and the bright colours. But is it good for children to watch cartoons on TV? Some people think it leaves nothing for children to imagine whe
查看题目详情 →
八年级下·英语·阅读理解Unit 4 Cartoons and comic strips
阅读理解 McDull is a cartoon pig character that was created in Hong Kong by Alice Mak and Brian Tse. Although McDull made his first appearances as a supporting character in the McMug comics, McDull has become a central chara
查看题目详情 →
九年级·英语·句子翻译Unit 2 It is still read and loved.
在中国学生们学习剪纸吗？ ______
查看题目详情 →
九年级·英语·单词拼写Unit 2 It is still read and loved.
单词拼写 【 1 】 We are very ______ （满意的） with our new house ． 【 2 】 She lives in the ______ （南方的） part of China ． 【 3 】 How many ______ （州） do you know that America has? 【 4 】 The dog was ______ （死的）． 【 5 】 Luckily ， the man
查看题目详情 →
九年级·英语·选择题Unit 2 It is still read and loved.
—How beautiful your hometown is! —Yes, trees and flowers _______ everywhere.
查看题目详情 →
九年级·英语·选择题Unit 2 It is still read and loved.
—What are you ______？ —I can't ______ my pen．Have you seen it?
查看题目详情 →
八年级·英语·选择题Unit 3 Traditional skills
We ______ to close the windows before we left the lab．（ ）
查看题目详情 →
八年级·英语·选择题Unit 3 Traditional skills
Beef noodles in Lanzhou taste the best in China and ______．（ ）
查看题目详情 →
八年级·英语·选择题Unit 3 Traditional skills
If your homework ______， you can go skiing with Dick．（ ）
查看题目详情 →
八年级·英语·选择题Unit 3 Traditional skills
Please hand in your homework as soon as it ______．（ ）
查看题目详情 →
八年级·英语·选择题Unit 3 Traditional skills
The dress ______ smooth and soft．（ ）
查看题目详情 →
八年级·英语·选择题Unit 3 Traditional skills
The students ______ play basketball after school every day．（ ）
查看题目详情 →
八年级·英语·选择题Unit 3 Traditional skills
There was no room for you． All the seats ______．（ ）
查看题目详情 →
八年级·英语·选择题Unit 3 Traditional skills
Maria _________ at 6：30every morning by her mother to get ready for school．（ ）
查看题目详情 →
七年级·英语·阅读理解Unit 2 daily life
Many middle school students don't know how to spend their free time. When they have holidays, they always have nothing to do and feel bored. Some may play computer games all day long and some may stay in bed and sleep al
查看题目详情 →
七年级·英语·填空题Unit 2 daily life
My name is Millie. I am 14 years old and I study in No. 1 Middle School of our town, I usually ________________ up at 6: 15 in the morning. I have breakfast ________________ home, but I have lunch at school. My school is
查看题目详情 →
七年级·英语·填空题Unit 2 daily life
My name is John. Brown. I'm from the US. I'm 12 years old, I'm short and fat. I have short hair. I live with my family in a flat close to some 【 1 】 (mountain). My mum is from 【 2 】 (Japanese). She is 【 3 】 Art teacher.
查看题目详情 →
九年级·英语·任务型阅读Unit 1 Stay Healthy
郎朗新专辑 Piano Book World-famous Chinese pianist Lang Lang released his new album ( 专辑 ) Piano Book in New York on Tuesday, April 9, 2019. He wants to share his thoughts on piano playing and music education. The album consi
查看题目详情 →
九年级·英语·阅读理解Unit 1 Stay Healthy
辛鑫夺冠 Chinese swimmer Xin Xin won the first gold medal for China in open water swimming at the 18th FINA World Championships on Sunday in Gwangju, Korea. The time was on July 14, 2019. It was really exciting news. The 22
查看题目详情 →
八年级下·英语·阅读理解Unit 2 Body language
阅读理解 Body language is the quiet, secret and most powerful language of all! It is said that our body movements communicate about 50 per cent of what we really mean while words only express 7 per cent. So while your mouth
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。