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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·选择题复合形容词

Bill is ten years old.He has _______ sister.( )

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八年级·英语·选择题ing形容词和ed形容词

We all feel excited _____ Jackie Chan\’s new movie.( )

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八年级·英语·选择题形容词的位置

Her mother was out.She stayed at home _____,but she didn\’t feel ______.( )

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八年级·英语·选择题关系代词

My favorite saying is,"A true friend reaches for your hand and your heart."( )

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八年级·英语·填空题关系代词

在世界上,屠呦呦是一位伟大的科学家. Tu Youyou is ______ in the world.

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八年级·英语·填空题关系代词

Everything ______ (change) all around the year.

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八年级·英语·选择题不定代词

--- What would you like to drink? --- ______ is OK. I don\’t mind.( )

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八年级·英语·选择题相互代词

Sophia waited for a reply(回复),but_____came.( )

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八年级·英语·选择题反身代词

—Did anyone call me when I was out? —Yes.A woman who called Alice.( )

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八年级·英语·填空题序数词

be they great appear education interest win open prize because something character Have you seen the movie Life Is Beautiful?The movie was so successful that it(1)______ three Oscars(奥斯卡金像奖) at that time.The story happen

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八年级·英语·选择题基数词

What was the life like ______?( )

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八年级·英语·填空题定冠词(the)

What do you want to be when you grow up?A teacher,an engineer,a doctor….They seem to be many people\’s dream jobs.After reading Airkir Duliki\’s story,you will know a new job-a train conductor(列车长). 27-year-old Airkir Du

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八年级·英语·选择题名词的词义辨析

-Could you show me how to make cookies? -Please follow the ______ on the cookbook.( )

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八年级·英语·选择题名词在语境中的辨别

-Is this photo taken in Tibet? -Yes.You can see beautiful snow mountain in the of the photo.( )

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八年级·英语·填空题集合名词

A:I had a fight with Jim.Can you give me some advice? B: ______.

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八年级·英语·填空题专有名词

Different people have different ______(个性) ,so they behave differently.

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八年级·英语·填空题连词成句

选词填空.将方框中所给词(词组) 的适当形式填入短文中,每词仅用一次. expect enjoy body comfortable serious "Start of Winter",also known as Lidong,arrives in November each year.Most parts of China take Lidong (1)______.On this day,after a year of hard wo

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八年级·英语·填空题翻译填空

这场交通事故夺走了她的生命. The traffic accident ____________her life.

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八年级·英语·填空题小作文

有一句非常著名的英语谚语"A friend in need is a friend indeed(患难见真情)",请以"My Friend and I"为题用英语写一篇作文. 内容需包括以下方面: (1)你和你的朋友在性格、学习、业余时间安排三方面的相同或不同之处; (2)写出一件你与朋友共同经历的事情,要求能体现该谚语的含义; (3)你对交朋友的观点. 要求: (1)内容须涵盖所有要点;语句通顺,意思连贯,语法正确,书写规范; (2)

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八年级·英语·填空题连词成句

The food in the UK is very different from ours.The British eat a lot of(1)______(potato),and they eat them every day.They eat bread for breakfast with butter,cheese or other things.Cheese and butter are made from milk.Th

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