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
九年级·英语·选择题Unit 2 I became so bored with their orders that I wished they would leave me alone.
She won't agree to buy a computer ______ her son promises not to play computer games.
查看题目详情 →
九年级·英语·选择题Unit 2 I became so bored with their orders that I wished they would leave me alone.
The old man lives ______in a ______house, but he never feels ______.
查看题目详情 →
九年级·英语·选择题Unit 2 I became so bored with their orders that I wished they would leave me alone.
—Father is sleeping. Will you ______the radio a little? —OK, I'll do it right now.
查看题目详情 →
九年级·英语·单词拼写Unit 2 I became so bored with their orders that I wished they would leave me alone.
单词拼写 【 1 】 It should be quite s ______ . I don't think there will be any difficulty. 【 2 】 There is nothing in the classroom. It's e ______ . 【 3 】 The old man lives a ______ after his wife died. 【 4 】 I was hungry, so I
查看题目详情 →
九年级·英语·选择题Unit 1 I can look after myself, although it won’t be easy for me.
______ he was tired，he went on working．
查看题目详情 →
九年级·英语·选择题Unit 1 I can look after myself, although it won’t be easy for me.
―______fine day it is today! ―Yes，the sunshine is______beautiful that I'd like to go swimming in the sea．
查看题目详情 →
九年级·英语·填空题Unit 1 I can look after myself, although it won’t be easy for me.
用方框中所给短语的适当形式填空 so...that... such...that... too...to... as soon as not...until 【1】The meeting room is ______ small ______ hold 300 people． 【2】They will ______ go to bed ______ the football match is over． 【3】Mr．Smith's cl
查看题目详情 →
九年级·英语·书面表达Unit 1 I can look after myself, although it won’t be easy for me.
下面的内容是你一次经历的要点提示，请你根据提示内容写一篇不少于90词的英语日记．日记的格式已给出，不计入总词数． 要点提示： 1．爸爸出差，下午放学回家后发现妈妈生病了； 2．陪妈妈去医院； 3．从医院回到家后，给妈妈和妹妹做了晚饭． 要求： 要点完整，语法正确，上下文连贯，可适当发挥． 16th August 2017 Wednesday Cloudy _____．
查看题目详情 →
九年级·英语·任务型阅读-多任务混合Unit 1 I can look after myself, although it won’t be easy for me.
Hershey chocolate is famous around the world． The man who began it ， Milton Hershey， was glad to share the fruits of success with others． Milton Hershey was born on 13th September 1857． In 1871， he started working for a
查看题目详情 →
九年级·英语·单词拼写-单句Unit 1 I can look after myself, although it won’t be easy for me.
At about ten o'clock the telephone______/ræŋ/ again．
查看题目详情 →
九年级·英语·单词拼写-单句Unit 1 I can look after myself, although it won’t be easy for me.
Last summer holidays Jenny stayed in Japan for a______ /ˈkʌpl/ of weeks．
查看题目详情 →
九年级·英语·单词拼写-单句Unit 1 I can look after myself, although it won’t be easy for me.
The train to New York will leave from______（站台） 1．
查看题目详情 →
九年级·英语·选择题Unit 3 Language in use
His parents always like to compare him ______ his classmates．
查看题目详情 →
九年级·英语·选择题Unit 3 Language in use
You ______ smoke when you see the sign ．
查看题目详情 →
九年级·英语·选择题Unit 3 Language in use
He looked forward to______ the British Museum．
查看题目详情 →
九年级·英语·选择题Unit 3 Language in use
—______！Didn't you see the sign “No touching！”？ —Sorry，I didn't see it．
查看题目详情 →
九年级·英语·选择题Unit 3 Language in use
—Will you drop ______ us tomorrow evening for a talk? —Sounds great!
查看题目详情 →
九年级·英语·选择题Unit 3 Language in use
—What did he say in the letter? —He said he arrived safely and mentioned other matters ______．
查看题目详情 →
九年级·英语·选择题Unit 3 Language in use
The sign means _________
查看题目详情 →
九年级·英语·单词拼写Unit 3 Language in use
单词拼写 【 1 】 Look ！ The students are carrying out an ______ （实验） in chemistry now ． 【 2 】 —What subjects do you like? —I like both ______ （物理） and math ． 【 3 】 The car runs at a ______ （速度） of 100 kilometers an hour ． 【 4
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。