题霸题霸学习平台

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

根据匿名练习记录整理

#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

清除筛选
七年级·英语·书面表达Unit 6 Hard work for a better life

Write at least 60words about the topic "My Favourite Season". Suggestions (1)Which season do you like best Why (2)What do you often do in it My Favourite Season

查看题目详情 →

七年级·英语·填空题Unit 6 Hard work for a better life

When I was young, I studied at a boy school. We were all (1)b______ thirteen and eighteen. Our headmaster was an old man. He was kind, but all of us were (2)a______ of him. For example, we were playing, (3)t______ and la

查看题目详情 →

七年级·英语·填空题Unit 6 Hard work for a better life

It was a very hot day in the middle of summer, and there were (1) trees along the street. Mr. Brown closed his shop and went out into the street. He was very (2) . The sun shone straight down the street, and a few minute

查看题目详情 →

七年级·英语·任务型阅读-多任务混合Unit 6 Hard work for a better life

One day a poor farmer was taking a bag of rice to town. Suddenly the bag fell from his horse on the road. He didn't know how to do about it because it was too heavy for him to lift it by himself. He only hoped that someb

查看题目详情 →

七年级·英语·阅读理解Unit 6 Hard work for a better life

Mr.Smith was in trouble those days.He drove a car for Mr.Black,a rich businessman.He worked hard and the shopkeeper liked him.But he couldn't work when he drank too much.Once he almost fell into the river when he drove a

查看题目详情 →

七年级·英语·任务型阅读-多任务混合Unit 6 Hard work for a better life

One fine Sunday afternoon we went for a walk along the river bank. Several families were having picnics in the shade of the trees. George looked at them with great interest. "What a good idea!" he said, "I wish we had br

查看题目详情 →

七年级·英语·句型转换Unit 6 Hard work for a better life

My father is busy these days. My mother is busy these days, too. (合并为一句) ____________ my parents are busy these days.

查看题目详情 →

七年级·英语·句型转换Unit 6 Hard work for a better life

Let's go for a picnic this weekend. (改为同义句) ____________ go for a picnic this weekend

查看题目详情 →

九年级·英语·书面表达Unit 4 Growing up

【题目】 书面表达 当前,各校正开展 “ 好书伴我成长 ” 的活动。请你根据活动主题并结合表格中所给的信息,以 “Growing up with good books” 为题,写一份倡议书。 读书的益处 获取知识,增长见识,使人快乐 存在的现象 听音乐,看电视,上网,占用了大部分业余时间 发出倡议 多读书,读经典好书,向世界传播中国的传统文化,让读书成为我们生活的一部分。 注意事项:词数不少于 90. 短文开头已给出,不计入总次数。 G

查看题目详情 →

八年级·英语·填空题Unit 2 Plant a Plant

Have you ever eaten a dandelion( 蒲公英 )? Me neither. Have you ever blown it to make a wish? Me, too. “Time to pick dandelions, Athena.” Mum opened the car door and I entered with a _____ . My hometown is in Greece( 希腊 ),

查看题目详情 →

八年级·英语·填空题Unit 2 Plant a Plant

With spring coming, everything 【 1 】 (begin) to come to life. The grass is green and the flowers b 【 2 】 . The animals come out of the 【 3 】 (hole). It is time to go out to enjoy the beautiful nature. Some like to fly ki

查看题目详情 →

八年级·英语·单词拼写Unit 2 Plant a Plant

(2020 原创 )Heilongjiang Province is in the n ________ of China.

查看题目详情 →

八年级·英语·单词拼写Unit 2 Plant a Plant

(2020 原创 )Reading, writing, listening and speaking are b ________ skills in English learning.

查看题目详情 →

八年级·英语·填空题Unit 2 Plant a Plant

(2020 原创 )Today, I saw many ________ (rabbit) in the central park this morning.

查看题目详情 →

八年级·英语·填空题Unit 2 Plant a Plant

(2020 原创 )This is the ________ (large)river I have ever seen.

查看题目详情 →

八年级·英语·填空题Unit 2 Plant a Plant

(2020 原创 )Please put on your coat. It's ________ (wind) outside.

查看题目详情 →

九年级·英语·任务型阅读Unit 1 It’s more than 2,000 years old.

Changbai Mountain is in Jilin Province. It’s said to be the most beautiful mountain in the northeast of China. Its name, Changbai, means “forever white” in Chinese, and its whiteness is because of the pumice stones( 浮石 )

查看题目详情 →

九年级·英语·选择题Unit 1 It’s more than 2,000 years old.

______ visitors come to Gulangyu during May Day holiday every year.

查看题目详情 →

八年级·英语·连词成句Unit 3 Animals Are Our Friends

didn't, any, eat, meat, I _____________________ .

查看题目详情 →

八年级·英语·连词成句Unit 3 Animals Are Our Friends

bought, books, read, to, I, some _____________________ .

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

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。

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。