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#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|}=
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八年级·英语·填空题介词+分词短语
Look!He is ______（跳舞） .
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八年级·英语·解答题阅读表达
Chinese writer Mo Yan has won the 2012 Nobel Prize in Literature（文学）．He is the first Chinese to win the prize． Mo Yan was born into a farmer\’s family in Shandong in 1955．He left school to work at the age of twelve,first
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八年级·英语·填空题阅读表达
Elizabeth is an 8-year-old girl from UK.She has a big dream—flying to space（太空）. In July 2020,Elizabeth saw on the news that NASA（美国宇航局）sent Perseverance Rover to Mars.After that,she became very interested in space scien
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七年级·英语·选择题阅读表达
The little girl is too shy before others.（ ）
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九年级·英语·选择题动词的固定搭配
You’d better ________ hard if you want to have a good grade.
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八年级·英语·选择题动词的固定搭配
It is a year of ox. My parents gave _____a nice toy ox on New Year’s Day.
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九年级·英语·选择题范围介词
The Monkey King can make 72 changes ________ his shape and size.（ ）
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八年级·英语·选择题动词的固定搭配
He ______ a worker in a factory two years ago, but now he is a pop star．（ ）
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九年级·英语·选择题动词的固定搭配
His family is so poor that he can't afford his college tuition, so he has decided to____the bank ____a loan.
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八年级·英语·填空题实义动词的过去分词
—Have you ______ （write） a letter to your mom? —Not yet.
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九年级·英语·填空题教育文化类阅读
Dear Merry， Recently，I have trouble with my study． In school I can't listen to teachers carefully because I always feel tired and sleepy．I don't spend time with friends after class either because I think it's a waste of
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九年级·英语·填空题教育文化类阅读
A team is a group of people with a common goal．A school's football team has two goals．One goal is to win．That is what the team wants to do．The other goal is to build character．Character is what a person values，how a pers
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九年级·英语·填空题教育文化类阅读
I stopped to watch my little daughter busy playing in her room．In one hand was a plastic phone．In the other hand was a toy broom．I listened as she was speaking to her imaginary friend and I'll never forget the words she
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九年级·英语·填空题教育文化类阅读
Your brain controls everything you do．It makes it possible for you to think，learn，create and feel；to blink （眨眼）and breathe and for your heart to beat-this fantastic control center is you brain．It is so amazing that a fam
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九年级·英语·填空题教育文化类阅读
（2016•烟台）Each Friday，my son′s kindergarten（幼儿园） class has"a prize day"．All the children who do well in the week can get a prize．The children have behavior cards．The cards start out green every morning，but are changed fro
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七年级·英语·单词拼写形容词的原级比较
This pair of shoes is too expensive. Would you please show me pair? (另一)
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九年级·英语·填空题教育文化类阅读
When talking about picking a right school，a mother and teacher gave some pieces of advice． In the latest issue （期） of Youth magazine，the mother shared the school advice she gave her daughters with young people across the
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九年级·英语·填空题教育文化类阅读
Letter A Young people are always told that they should make the most of their time，that they will never be as free again So，my question is-why fill up all this free time with housework？Parents expect their children to ge
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九年级·英语·填空题教育文化类阅读
Some English words have more than one meaning．These are called multi-meaning words． Multi-meaning words have the same pronunciation with different meanings．For example，let's look at the word"ball"．You could have a"ball"w
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八年级·英语·选择题定语从句
I want to know ________ you will come back at 8:00 tomorrow．（ ）
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