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·句型转换Unit 2 Our animal friends
Dogs also helped people hunt animals for food． （ 对划线部分提问） ____________dogs also______people______？
查看题目详情 →
七年级·英语·句型转换Unit 2 Our animal friends
Let's go out for a walk．（改为反义疑问句） Let's go out for a walk，____________？
查看题目详情 →
七年级·英语·句型转换Unit 2 Our animal friends
It is very exciting for me to travel to the USA..（改为感叹句） ____________ it is for me to travel to the USA!
查看题目详情 →
七年级·英语·句型转换Unit 2 Our animal friends
Liuxiang is my favourite sports player． （保持句意相同） I______ Liuxiang______．
查看题目详情 →
七年级上·英语·阅读理解Unit 1 Relationships in beijing
Choose the best answers. John, David and James were three brothers. Every year on their mother's birthday, they sent her expensive presents. They liked to show her how rich they were. The oldest brother , John, decided t
查看题目详情 →
七年级上·英语·阅读理解Unit 1 Relationships in beijing
Choose the best answer.(根据短文内容.选择最恰当的答案) Hi! My name is Robert and I live in Chicago. My school is called Parkside Elementary. It is Jake and Elizabeth's school too. Michael and Trevor's school is called Lincoln Middle S
查看题目详情 →
七年级上·英语·填空题Unit 1 Relationships in beijing
Choose the best words or phrases and complete the passage.(选择最恰当的单词或短语完成短文) The first day of school, our professor introduced an old lady Rose to us. "Why are you in college （1） such an age'?" I asked her. She replied, "
查看题目详情 →
七年级上·英语·填空题Unit 1 Relationships in beijing
Choose the best answer and complete the passage. There was once a bad king. All his people hated him very much. One day in a summer he was swimming by himself in a river. The king was a （1） swimmer, but when he was in th
查看题目详情 →
七年级上·英语·句型转换Unit 1 Relationships in beijing
He bought a new bike yesterday. (改为否定句) He a new bike yesterday.
查看题目详情 →
七年级上·英语·句型转换Unit 1 Relationships in beijing
She has travelled to Shanghai by plane.(改为一般疑问句) she to Shanghai by plane?
查看题目详情 →
七年级上·英语·句型转换Unit 1 Relationships in beijing
are going to, with, the , children, visit, Mr Hu, the Great Wall, tomorrow (连词成句)
查看题目详情 →
七年级上·英语·句型转换Unit 1 Relationships in beijing
Jack goes to school on foot every day. (句子改写句意不变) Jack school every day.
查看题目详情 →
七年级·英语·填空题Unit 6 Different places
In most parts of the world there are four seasons. In different seasons people w 【 1 】 different clothes and do different things. For example, in summer the weather is hot, so people usually wear cool clothes and do thin
查看题目详情 →
七年级·英语·填空题Unit 6 Different places
The earth is our home. We must take care of it. This means keeping the land, air and water _______. Pollution is a "dirty" word. To pollute means to make things unclean to use. Pollution comes _______ many ways, we see i
查看题目详情 →
七年级·英语·阅读理解Unit 6 Different places
Life is exciting in the city. However, many people living in the city often feel tired of （厌倦）city life. I have the same feeling, too. I hope to live in the countryside, but the people living in the countryside may feel
查看题目详情 →
七年级·英语·阅读理解Unit 6 Different places
Jean Herman lives in an apartment in New York City. Jean's apartment is small, but she likes it. The apartment is cheap; Jean pays only＄200 a month. Jean's apartment was in an old building. One day a big company bought t
查看题目详情 →
七年级·英语·句型转换Unit 6 Different places
Rewrite the following sentences as required （根据所给要求 , 改写下列句子） 【 1 】 Kitty has just moved into a new flat. （改为否定句） Kitty ____________ moved into a new flat ____________ . 【 2 】 Ben usually went to the restaurant when he l
查看题目详情 →
七年级·英语·填空题Unit 6 Different places
Complete the sentences with the given words in their proper forms（用括号中所给单词的适当形式完成下列句子） 【1】I moved into a _____________ flat. I like it very much. (please) 【2】It's ___________ in the classroom. Don't talk loudly. (noise)
查看题目详情 →
七年级·英语·选择题Unit 6 Different places
Look, there is a map ___________ China on the wall.
查看题目详情 →
七年级·英语·选择题Unit 6 Different places
I ____________into a new flat in the city center. Now I needn't get up very early to catch the bus.
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。