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
九年级·英语·单词拼写Topic 1 China attracts millions of tourists from all over the world.

Police tried to _________(使分开) the two men who were fighting.

查看题目详情 →

九年级·英语·单词拼写Topic 1 China attracts millions of tourists from all over the world.

People ________(认为) Taiwan as “the Treasure Island of China”.

查看题目详情 →

八年级·英语·填空题Section A

根据短文内容和括号内所给汉语意思,写出空白处各单词的正确形式 ( 每空一词 ) 。 Jack and Bob are going to high school now.Jack wants to be an 【 1 】 ( 工程师 ) . He is going to build roads , 【 2 】 ( 桥 )and houses.Bob is 【 3 】 ( 感兴趣的 )in math and science , but he

查看题目详情 →

八年级·英语·填空题Section A

阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空白处填入一个适当的词或使用括号中词语的正确形式填空。 Most people like to make some New Year's resolutions at the 【 1 】 (begin)of the year.Holly is a school boy from Wenzhou.He made his New Year's resolution yesterday.

查看题目详情 →

八年级·英语·填空题Section A

用方框中所给短语的适当形式填空 grow up;make sure;try one's best; be good at;keep on 【1】Don't worry.I'll _____ to help you. 【2】I am going to be a doctor when I _____. 【3】—I'm leaving now. —_____ you turn off the lights and the computer.

查看题目详情 →

八年级·英语·单词拼写Section A

根据句意及首字母或汉语提示完成单词 【1】She made several interesting points in the _____(文章). 【2】On New Year's Day,he always s_____ nice cards to his friends. 【3】The c____ in this restaurant are very good.They can make lots of delicious fo

查看题目详情 →

八年级·英语·阅读理解Section A

When your dream is to become a footballer( 足球运动员 ) , nothing should get in your way—even if you have no feet. Gabriel Muniz , an 11­year­old Brazil kid , was born without feet.Although his family thought he would have se

查看题目详情 →

八年级·英语·填空题Section A

The new year is coming!Now,it's the time to make _____ for the new year.Here is _____ I am going to do. I am going to get better _____.I'm good at English and Chinese,but I need to improve my math.So I am going to study

查看题目详情 →

八年级·英语·填空题Section A

阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空白处填入一个适当的词或使用括号中词语的正确形式填空。 I have a dream.That is , I'm going to be an 【 1 】 (art)when I grow up.You know I began 【 2 】 (draw)pictures at a very young age.I grow 【 3 】 , I'm going to move som

查看题目详情 →

八年级·英语·填空题Section A

用方框中所给单词的适当形式填空 science;finish;act;be;help 【1】Mary wanted to be a singer when she _____ college. 【2】—How often does your sister take _____ lessons? —Three times a week. 【3】What do you want ______ when you grow up? 【4】Mik

查看题目详情 →

七年级上·英语·翻译Section B

我在星期—和星期四上历史课。 I Monday and Thursday.

查看题目详情 →

七年级上·英语·翻译Section B

星期三你们上什么课? What do you on Wednesday?

查看题目详情 →

七年级上·英语·翻译Section B

他非常喜欢音乐,因为它能让人放松。 He likes music very much it's .

查看题目详情 →

七年级上·英语·翻译Section B

感谢你的电子邮件。 you your e-mail.

查看题目详情 →

七年级上·英语·翻译Section B

我星期一很忙。 I on Monday.

查看题目详情 →

七年级上·英语·翻译Section B

我星期四上音乐(课)。 I music on .

查看题目详情 →

七年级上·英语·句型转换Section B

She likes English because it is interesting . (对画线部分提问) she English?

查看题目详情 →

七年级上·英语·句型转换Section B

My hat is red . (对画线部分提问) is your hat?

查看题目详情 →

九年级·英语·连词成句Unit 7 Work for Peace

where, and, did, you, friends, your, go ________________________________________________________________________ ?

查看题目详情 →

九年级·英语·连词成句Unit 7 Work for Peace

I, go, haven't, decided, or, not, whether, to ________________________________________________________________________ .

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。