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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·填空题单词填空

I was cleaning the classroom when it began to rain h ______(猛烈地).

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八年级·英语·填空题任务型阅读

Doing chores helps to d ______(培养) children\’s independence.

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八年级·英语·填空题问答题;汉译英;英译汉

The water was cold. ______ (即使这样),I took a shower.

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八年级·英语·填空题科普知识类阅读

Everything on the earth d ______(依赖) on the sun to live.

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八年级·英语·填空题说明文;史地常识类阅读;文中细节

They say that speech is silver and s ______ (沉默) is gold.

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八年级·英语·填空题人物故事类阅读

The loveliest house that I have ever lived in is Crosslands.I lived there with my grandparents when I was a child. The house seemed so huge to me as a child.And it had a lovely living room with a piano in it.And there wa

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八年级·英语·填空题人物故事类阅读

Wolves For years people are afraid of wolves and don\’t understand them.The wolves are the bad animals in many stories.How did these animals get such a bad reputation?It\’s because people think they are sneaky and always

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八年级·英语·填空题健康环保类阅读;说明文;文中细节

We sometimes have the wrong ideas about the things around us.For example,some things about cats that people believe might not be true.These myths(荒诞的说法) can make cat owners confused(困惑的).Let\’s learn the truth about them

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八年级·英语·填空题词根词缀;记叙文;人物故事类阅读;文中细节

A little boy was spending his Saturday morning playing in his sandbox(沙坑).While he was building roads and houses in the soft sand,he discovered a large stone in the middle of the sandbox. The little boy tried to move it,

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八年级·英语·填空题说明文;史地常识类阅读;判断推理;文中细节

Mount Huangshan is located in Anhui Province.It is famous for its" five wonders"— unusual pin e trees,strangely- shaped rocks,amazing sea of clouds,hot springs,and winter snow.Many people visit it to enjoy its natural be

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八年级·英语·填空题词根词缀;议论文;科普知识类阅读;文中细节

Have you ever thought about traveling to the U.K.or studying there?If your answer is (1)______,then you should learn a thing or two about British etiquette(礼仪).It will help to make sure that your behavior(行为) is always (

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八年级·英语·选择题词根词缀;记叙文;判断推理

I\’ve patience(耐心).I don\’t want to hear you anymore.( )

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八年级·英语·选择题同义词、近义词的辨析

—The writing competition is coming.I am so nervous. —Take it easy.You do well in stories.( )

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八年级·英语·选择题形容词词义辨析;记叙文;人物故事类阅读;判断推理

Mr.Green worked all day long he fell asleep in a minute.( )

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八年级·英语·选择题现在完成时

— have you had the bike,Tom? —For three days.My parents bought it as my birthday gift.( )

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八年级·英语·选择题不定式;it的用法

the work on time,all the workers kept working for 12 hours without resting.( )

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八年级·英语·选择题科普知识类阅读

—Could you please help me make my bed? —I\’m afraid I .You do it on your own.( )

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八年级·英语·选择题宾语从句;状语从句

If it rains tomorrow,you may come next week .( )

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八年级·英语·选择题倒装句

—Tony,it is kind you to help me clean the classroom. —That\’s OK.It is our duty to keep our classroom tidy.( )

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八年级·英语·填空题补全对话

The Best Place in My Heart Who did the speaker go there with? His(1)______. How did they get there? By(2)______. What was the weather like there? Neither(3)______ nor cold. What did they do there? They took some photos a

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