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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·choice科普知识类阅读、其他类阅读、文中细节

—You look so tired.You should get some sleep. —Oh,too much work takes up most of my time.I _________have time to sleep.( )

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九年级·英语·choice科普知识类阅读

If you want to be a successful learner,you should ________ the best ways to learn well.( )

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九年级·英语·solution情态动词

Many of you must have celebrated Father\’s Day.(1)______ The idea for the holiday began in the 1900s in Washington,the USA.A young woman named Sonora Smart Dodd got the idea from a Mother\’s Day celebration in 1909.Sonor

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九年级·英语·choice过去进行时

—Tim,why didn\’t you answer my phone? —I am sorry!I ________ on the computer.( )

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八年级·英语·solution补全对话

Dear cousin, My fifteenth birthday is coming.I want to have a birthday party in(1)______house.It\’s on Friday afternoon.I really(2)______you can come,but I\’m sorry I can\’t go to the(3)______to meet you.Here is a map an

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八年级·英语·solution句型转换、任务型阅读

Our school basketball players are looking forward to ______(win) the match.

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八年级·英语·choice从属连词

they are twin sisters,they don\’t look like each other.( )

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八年级·英语·solution日常生活类阅读

Gifts are a way for people to show love.(1)______ The gift can be anything,your favourite CD,a book,clothes,delicious food and so on.Getting a gift can make you feel the love.A handmade gift is the best way to show your

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八年级·英语·solution记叙文

running least health someone once his windy arrived because herself of Miss White is a teacher.She usually works at (1)______ 10 hours at school.Her home is not far from her school.So she always walks to school in the mo

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八年级·英语·solution形容词词义辨析、记叙文、人物故事类阅读、判断推理

(1)Lily and her classmates have a(n) ______ day today. (2)At ______o\’ clock this morning,they went to the Modern Farm. (3)They ______ many kinds of trees there. (4)They saw many ______ in the greenhouse. (5)They ______

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八年级·英语·solution人物故事类阅读

Lucy Moore A top fishing award Lucy Moore,a 12-year-old girl from Maryland,is the first girl and youngest person to get the Master Angler Milestone Award(奖).The award is for those who catch 10 different"trophy-size"(supe

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八年级·英语·solution人物故事类阅读

I think the reality show(真人秀)is(1)______enjoyable television program.Usually a reality show has many series(系列节目).And it can be on TV for many years. The reality show is quite(2)______(difference)from other kinds of TV s

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八年级·英语·solution广告布告类阅读

After-school Activities Are you interested in ball games? Teacher:Mr Brown Place:On the playground Time:Monday,16:00-18:00 Age:Over 10 years old Would you like to be a dancer? Teacher:Miss Miller Place:In the gym Time:Fr

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八年级·英语·solution单词、词组、单词填空、可数名词及其单复数

Sun Li is an excellent a ______in China,Empresses in the Palace is her famous work.

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七年级·英语·choice实义动词、实义动词的单数第三人称形式、动词短语

The actor_____of medium height and_____straight yellow hair.( )

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七年级·英语·solution健康环保类阅读、议论文、文中细节

Advice for students Students\’ problems: Li Wei (1)______I find it hard to have time for my hobby now. Hu Nianzu (2)______I feel shy meeting new people in junior high. Mia (3)______I often lose things,such as my red scar

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七年级·英语·solution人物故事类阅读、文中细节

Peter Pan is one of the best-loved children\’s books of all time.It was a play(戏剧)at first,as it became very popular and the writer James Matthew Barrie decided to write a novel.Barrie was born in Scotland,and he is the

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七年级·英语·solution一般疑问句

What ______(颜色) are the trousers?

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七年级·英语·choice形容词词义辨析、记叙文、人物故事类阅读、判断推理

I______short and thin five years ago.Now I_______ tall and strong.( )

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七年级·英语·solution写作

我爷爷的农场有二十只鹅.(英文表达) There are ____________on my granddad\’s farm.

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