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
-Don\’t you know each other? -I don\’t remember him anywhere.( )
查看题目详情 →
--- ______ milk do you need? ---Three glasses.( )
查看题目详情 →
这首歌让我很兴奋。
查看题目详情 →
I have never been to Tibet, can you give me a ______ of it?
查看题目详情 →
从方框中选用合适的连词填空,每词限用一次。 【 1 】 Your teacher will be in great joy _______ you work out the difficult problem. 【 2 】 I will wait _______ Miss Smith comes back from work. 【 3 】 The girl is very young, _______ she can speak sev
查看题目详情 →
English is very ______ and all the students know the ______ of English learning.
查看题目详情 →
We think Cindy's plan is pretty good. (week )
查看题目详情 →
I hope there will be more trees and pollution in your city. (little)
查看题目详情 →
All of us can have at school from Monday to Friday. (免费午餐)
查看题目详情 →
单词填空,用括号中所给词的适当形式填空,使语篇意思完整,必要时请用否定形式。 When people say "culture", we think of art and history. But one very famous symbol in American culture is a cartoon. We all know and love the black mouse with two large round ears—M
查看题目详情 →
____________ the prince saw her,he fell in love with her.( )
查看题目详情 →
He didn\’t catch the early bus because he stayed up late last night .(对画线部分提问) ____________ he catch the early bus?
查看题目详情 →
--Don\’t ________ the boy.He\’ll be back soon. --I hope so.( )
查看题目详情 →
the prince saw the pretty girl,he fell in love with her.( )
查看题目详情 →
Don\’t worry,Mom.I\’ll call you ________ I get there.( )
查看题目详情 →
The nurse will take good care of your father.(写出句子结构) . ______
查看题目详情 →
Tina is a ______/ʃaɪ/girl.
查看题目详情 →
Steve learns English well.(改为同义句) Steve is ____________English.
查看题目详情 →
(Tony meets Anna on their way to school. ) Tony:Hi,Anna.You don't look well.What's the matter? Anna:I have a headache and I am sleepy now. Tony: (1) Anna:I stayed up late to do my homework. Tony:But there was not much ho
查看题目详情 →
Once there were two women and a boy.The two women (1) said that the boy was their son. (2) knew whose son the boy was. Finally they came to the king to get the (3) .The king thought for a while and found an idea.He asked
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。