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。
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
#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
Which ______(语言) can you speak,English or Chinese?
查看题目详情 →
France gets school uniforms The new school term is starting.It\’s time to put on your school uniform and head back to school.For most Chinese pupils,wearing a school uniform is a part of everyday life.But in France,it\’s
查看题目详情 →
People eat chocolate eggs at ____________.( )
查看题目详情 →
The Green family has four people.They all like shopping on the Internet.They think it\’s easy and fun to shop on the Internet. Mr.Green usually buys new books on the Internet.But sometimes he is too busy and has no time
查看题目详情 →
-What did you do last weekend ? -I_________my grandparents.( )
查看题目详情 →
to a one scientist day be he wants ______
查看题目详情 →
decorate,now ______
查看题目详情 →
Please keep ______ [ˈkwaɪət] in the library.
查看题目详情 →
My tape player is on the bookcase . (划线部分提问) ______ is ______ tape player?
查看题目详情 →
Claire put on the school uniform, ____________?(补全附加问句)
查看题目详情 →
What do you think of her______(相貌)?
查看题目详情 →
Mary: ______?She looks so beautiful. Maggie:My sister is a singer.
查看题目详情 →
He usually goes to school by bus. (划线部分提问) ______ does he usually go to school?
查看题目详情 →
Simon never goes to bed late.(对划线部分提问) __________________ Simon go to bed late?
查看题目详情 →
It often rains in the summer of Xinxiang.( )
查看题目详情 →
I met Li Lei in the street yesterday,but he just walked straight ______ us and didn\’t say hello.( )
查看题目详情 →
Dear Harry, How are you?I\’m in Beijing now.I like Beijing a lot.I have two good friends here.They are Bill and Wang Xin.Bill is from Canada and Wang Xin is from China.We are in the same class.Wang Xin often helps me wit
查看题目详情 →
Machines ______ the heavy and difficult jobs in the future.
查看题目详情 →
do,name,spell,How,your,you (?)(连词成句) ______
查看题目详情 →
假设你是阳光中学七年级的学生李华,面对全新的初中生活,你一定有很多感触吧.请根据下列图表提示,以"My New School Life"为主题用英语写一封电子邮件,向你的英国笔友James介绍你的校园生活,以及对中学生活的感受. 要求:1)语言通顺,意思连贯,条理清楚,要点全面,省略号处适当补充; 2)词数80左右,文章的开头和结尾已经给出,不计入总词数; 3)文中不得出现真实的校名和人名. Dear James, I would li
查看题目详情 →
题库使用说明
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。
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。