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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·填空题助动词

much,harmful ______

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九年级·英语·选择题主语+不及物动词

"The workers are working on the farm now."The main structure of the seatence is .( )

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九年级·英语·填空题史地常识类阅读

The Lost Smile Characters: The Lord of Tears:A bad man who wants to master the world. Hilda:A good witch(女巫) who helps Ben and Sarah find the Lord of Tears. Ben and Sarah:Two children who want to find the The Lord of Tea

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九年级·英语·选择题选择疑问句

--Kelly,did you go to the countryside with your family by car or by bike? --________I think it is good exercise.( )

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九年级·英语·选择题选择疑问句

-Do you want to join the music club or sports club? -_____.I'm good at singing. ( )

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九年级·英语·填空题一般疑问句

你想了解好友Jessica是否曾经去过附近的电影院,可以这样问: ______,Jessica?

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九年级·英语·填空题教育文化类阅读

The summer vacation is a time to enjoy a change from the school year.It's a good chance to work on different activities that you don't have much time to do during the rest of the year. We asked about 2,000 people what th

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九年级·英语·填空题教育文化类阅读

How time flies!The 9th graders are going to graduate soon.We invite them to write about their school memories.Let's share some of them.-Ms.Rosen Name:Brita Favourite memory:Moving to this school last year and meeting new

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九年级·英语·填空题教育文化类阅读

(2016•漳州)As the saying goes,"If at first you don't succeed,try,try again."This is never truer than when you are trying to master English.Lai Shixiong,a respected English master from Taiwan,has a story to share. Like many

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九年级·英语·填空题教育文化类阅读

(2017•潍坊模拟)23April is World Book and Copyright Day(世界读书日).The Day is celebrated by a growing number of people in the world and has made them discover,make the best use of books.Books are windows onto different cultures a

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九年级·英语·填空题首字母阅读填空

Read the passage and fill in the blanks with proper words (在短文的空格内填入适当的词,使其内容通顺,每空格限填一词,首字母已给) Perhaps Susan Boyle's success is one of the best stories of 2009.One year ago,Susan Boyle was unknown and had no job.She live

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九年级·英语·填空题首字母阅读填空

Read the passage and fill in the blanks with proper words(在短文的空格内填入适当的词,使其内容通顺,每空格限填一词,首字母已给) Mr.and Mrs.Smith were having an argument (争吵) on the boat deck (甲板).Mrs.Smith didn't agree to get into a lifeboat w(1) her hus

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九年级·英语·填空题首字母阅读填空

Read the passage and fill in the blanks with the proper words:(在空格内填入合适的词,使其内容通顺,每空格限填一词,首字母已给):7% We get sick from time to time.We have either a headache or a toothache,a stomach ache or a backache.We have high or low b

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九年级·英语·填空题首字母阅读填空

Read the passage and fill in the blanks with proper words(在短文的空格内填入适当的词,使其内容通顺,每空格限填一词,首字母已给):(共6分) Dear Mum, Today I'm going to tell you something really special.I know you w very hard and feel tired every day. Every ti

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九年级·英语·填空题首字母阅读填空

Cindy wanted a job.She thought that if she had a job after school,she could (62)e her own money.Then she wouldn't have to ask her parents for money. Some of her friends worked when school was finished for the day.So Cind

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九年级·英语·填空题首字母阅读填空

At the moment,nearly 20percent of schools in the US have their own vegetable gardens that are planted and cared for by students.Next year,more schools will have gardens and more US kids will enjoy the (61)p of growing th

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九年级·英语·填空题首字母阅读填空

Read the passage and fill in the blanks with proper words:(在短文的空格内填入单词7%) Water is around us.Water is in the o ,in the lake and river and in the air.There is more water than land on the earth.All things must have water t

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九年级·英语·填空题翻译填空

你的朋友说"I don\’t like going shopping."你表示有同感,可以这样说: ______

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九年级·英语·填空题翻译填空

你别无选择,只有保持学业和爱好之间的平衡.(汉译英) ______

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九年级·英语·选择题感叹句

touching movie The Battle At Lake Changjin《长津湖》is!It\’s worth watching again.( )

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