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·填空题首字母阅读填空
Read the passage and fill in the blanks with proper words（在短文的空格内填入适当的词使其内容通顺，每空格限填一词，首字母已给） I can't wait for spring to come! I'm tired of winter．I'm tired of the snow．I'm tired of cold weather，and I'm sick and tired of
查看题目详情 →
九年级·英语·填空题首字母阅读填空
Read the following passage and fill in the blanks with proper words （在下列短文内填入恰当的词，使其内容通顺，每空格限填一词，首字母已给） It is good to keep animals in zoos．Zoos are places for people to see many different kinds of animals from all over t
查看题目详情 →
九年级·英语·填空题首字母阅读填空
Read the passage and fill in the blanks with the proper words：（在空格内填入合适的词，使其内容通顺，每空格限填一词，首字母已给）：7% What do three hearts，eight arms，and one huge brain add up to？An octopus （章鱼）-a sea （72）a that can do amazing（令人惊奇的） thing
查看题目详情 →
九年级·英语·填空题文学作品类阅读
My best buddy I met you seven years ago at a stranger's house． When I looked at you， I knew we would be friends forever． Quickly，I ran across the room and gathered you in my arms． I petted your long，floppy ears． I tickle
查看题目详情 →
九年级·英语·选择题连接代词
Don't wait for others to be polite. Show them __________ a friendly person you are．
查看题目详情 →
九年级·英语·选择题连接代词
— Excuse me, could you please tell me __________ ? I forgot about it. — Only in five minutes. You’d better hurry up if you don’t want to miss the beginning.
查看题目详情 →
七年级·英语·选择题感叹句
exciting information!We will visit Shanghai Disneyland in a month.（ ）
查看题目详情 →
七年级·英语·填空题一般疑问句
I\’d like to play basketball with him. （改为一般疑问句） ______ you ______ to play basketball with him?
查看题目详情 →
九年级·英语·填空题一般疑问句
朋友想知道你在暑假是否玩得开心,你可以这样回答: ______.
查看题目详情 →
七年级·英语·选择题一般疑问句
—Excuse me,are you Jane? — .I am Maria.（ ）
查看题目详情 →
七年级·英语·填空题一般疑问句
-Would you like ______（become） a designer,Sandy? -Yes,I\’d like to.
查看题目详情 →
七年级·英语·选择题一般疑问句
—Is your name Peter? — .（ ）
查看题目详情 →
七年级·英语·填空题一般疑问句
He is my class teacher.（改为一般疑问句） __________________class teacher?
查看题目详情 →
七年级·英语·填空题一般疑问句
There is some food on the table.（变为一般疑问句） ______
查看题目详情 →
八年级·英语·填空题定语从句
It seems that the man is a teacher. （改为同义句） The man ____________be a teacher.
查看题目详情 →
八年级·英语·填空题广告布告类阅读
The health of our children is important.Children should take part in（参加） sports or other activities often.However,this isn\’t always easy.In cities,it can be hard to find activities to do.Don\’t worry,though.The.West Moo
查看题目详情 →
九年级·英语·填空题广告布告类阅读
Time Square Shopping Coupons（优惠券） Hours of Free Parking You will receive 2 hours of free parking if you spend ＄30 in our store.But if you spend ＄50 or more,you can get 8 hours of free parking and coupons.And you can get
查看题目详情 →
九年级·英语·填空题广告布告类阅读
Special Exhibition（展览） Red Star Enlightens（照耀）Shijiazhuang :Shining for a Century Date September 25,2024～October 7,2024 Place Special Exhibition Hall （1 F） There are 272 pieces,4 parts in the exhibition. The first part s
查看题目详情 →
九年级·英语·填空题广告布告类阅读
Sharing Mind Maps with Classmates There are different kinds of mind maps.You can choose from them to complete the tasks clearly. （1）______Tom needs to make a report on how to make delicious banana milk shake.He wants to
查看题目详情 →
八年级·英语·填空题广告布告类阅读
Happy Shopping Center Our center is open!Everything is on sale!You can buy everything you need.And you can park your car for free if you pay at least 200 yuan in our shopping center. Chenchen\’s Clothes Store All the clo
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。