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#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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九年级·英语·填空题任务型阅读

Do you like wearing colorful clothes?Today,we can get colorful clothes easily.But how about people in old times? Tie-dye(扎染) is a very old way of dyeing clothes in China.It\’s more than 1,000 years old.People in the past

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九年级·英语·句型转换过去将来时的被动语态

Complete the following sentences as required (根据所给要求完成下列句子 , 每题空格限填一词) 【 1 】 My cousin Jack watches TV at the weekend. (改为否定句) My cousin Jack ______ ______ TV at the weekend. 【 2 】 Kitty rarely went to bed after 11 o’clo

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九年级·英语·填空题社会文化类阅读

How many backpacks have you owned since you went to school?Backpacks(1)______(become) common and popular among students in the past 30 years.If your backpacks become old,will you just treat them as rubbish and throw them

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九年级·英语·解答题图画作文

假设你是李华,你学校组织了一次主题为"家乡在发展"的英语演讲比赛.请根据以下表格信息,以"Great Changes in My Hometown"为题,写一篇不少于80词的演讲稿.全文可适当发挥. 要求:(1)下列表格中提供的信息不少于三项. (2)文中不能出现真实的姓名和校名. Twenty years ago Now small houses tall buildings poor medical care good medica

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九年级·英语·填空题政治经济类阅读

Niska,a technology company,has opened an ice-cream shop in Australia.It\’s an unusual shop.because you can\’t see any human workers there.It is managed by three robots.Pepper,Eka and Tony serve people their favorite ice

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九年级·英语·填空题图画作文

听音乐或观看电影是一种很好的消遣方式,能够让我们在忙碌的生活中放松身心.当然,不同的人喜欢的音乐或电影种类不同,同一个人在不同的心情下也会选择不同的音乐或电影.你喜欢什么样的音乐或电影?请以 Music/ Movies that I like 为题写一篇短文表达自己的观点. 写作要求: 音乐或电影,请选择其中之一. 100字左右,可适当发挥. _________

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九年级·英语·填空题社会文化类阅读

You may have already forgotten the days when you had to learn how to use chopsticks.Every Chinese kid manages to use them for some time.But chopsticks are not just simple tools to pick up food.They come with their own sp

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九年级·英语·选择题现在完成时的被动语态

Hong Kong-Zhuhai-Macao Bridge ______ already. However, we don’t know what time it will be open to traffic.

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九年级·英语·填空题判断推理

Don\’t you think it\’s silly of him ______(not catch) the chance?

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九年级·英语·填空题任务型阅读

Many scientists find that colors can change people\’s feelings.It\’s very interesting.Some colors can make people feel relaxed,and some colors can make people feel nervous. Now,this kind of knowledge is being used in man

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九年级·英语·填空题判断推理

The students have ____________homework to do at school.

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九年级·英语·填空题句型转换

progress,this term ______

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九年级·英语·选择题宾语从句

Could you tell me a meeting in Guangzhou next week?( )

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九年级·英语·选择题宾语从句

—I wonder he will come to the party this evening. —No.He won\’t come because he has gone to Nanchang.( )

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九年级·英语·填空题宾语从句

你想搭乘对方的便车去机场,可以这样问: Could you please ______ to the airport?

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九年级·英语·填空题广告布告类阅读

Saturday,March 24 th We have arrived in the hot,wet city of Bangkok.This is our first trip to Thailand.All the different smells make us want to try the food.The hotel we are staying in is cheap and very clean.We plan to

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九年级·英语·填空题政治经济类阅读

It is a talent you must ______(be) born with.

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九年级·英语·选择题现在完成时的被动语态

A lot of new houses _____ in this large open area in the past five years.

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九年级·英语·句型转换现在完成时的被动语态

句型转换 【 1 】 He knew little about Mayan civilization, _____ ? 【 2 】 The new CD cost them all their pocket money. They _____ all their pocket money _____ the new CD. 【 3 】 The mythical stories are too complex for the childr

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九年级·英语·填空题连词成句

Complete the following passage with the words or phrases in the box.Each can only be used once.(将下列单词或词组填入空格.每空限填一词) A.understood B.In my opinion C.What\’s more D.dream E.higher Except that parrots can speak,some else ha

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