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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·填空题祈使句

______( learn) English is fun.

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八年级·英语·选择题there be 句型

Drive slowly,Mary.______ is something ahead on the road.( )

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八年级·英语·填空题语法

In a beautiful mountain village,a father named Edward and his 7-year-old son Bob lived in a small farmhouse. Edward was a hard-working (1)______ who worked on his land every day.Bob was a lively and innocent(纯真的)boy,and

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八年级·英语·填空题阅读排序

(an extract from Gulliver \’s Travels) I ran away from the huge living thing as fast as possible,and did not stop until I found myself in some fields.The grass was about seven metres high and the crops were about thirtee

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八年级·英语·填空题教育文化类阅读

Most young boys like spending time on things like video games,superhero movies and sports,but Ken,a 9-year-old boy from the Philippines,is spending his free time trying to start an animal shelter(收容所) for at-risk dogs. I

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八年级·英语·填空题逸闻趣事类阅读

Peterson was sitting at the door of his house.Then a man arrived and asked, "What are the people of this village like?" Peterson asked him, "Why do you ask so?" The man answered, "The people of my old village aren\’t fri

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八年级·英语·填空题逸闻趣事类阅读

Wendy is clever enough to achieve A grades in all her subjects. (保持原句意思) Wendy is ______ clever ______ she can achieve A grades in all her subjects.

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八年级·英语·选择题表语从句

—You look worried.What\’s up? —I am several important e-mails,but nothing has arrived.( )

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八年级·英语·选择题表语从句

-What do you think of the English dictionary? -Not bad.You can\’t find ____________in the bookstore.( )

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八年级·英语·选择题主语从句

The foreign guests_____around our city by our school bus last week.( )

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八年级·英语·选择题主谓一致

—Peter,do you want to see action movie? —I\’d like to,but it\’s raining now!I don\’t have umbrella.( )

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八年级·英语·选择题主谓一致

—There _________ two football games on TV tomorrow afternoon. —Really?That\’s great.( )

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八年级·英语·填空题主语从句

so…that,short ______

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八年级·英语·选择题感叹句

good boy he is!He often helps his classmates.( )

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八年级·英语·选择题感叹句

-I\’m fat. What should I do? -You\’d better eat meat and fruits.( )

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八年级·英语·选择题语态的辨析

---How many students are there in each group? ---Usually each group _______ six students in our class.( )

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八年级·英语·选择题语态的辨析

—How many students are there in your class? — Let me see.It ____________21 boys and 20 girls.( )

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八年级·英语·选择题时态辨析

---Jim, could you please answer the question? ---Sorry, I______. Could you say it again?( )

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八年级·英语·选择题时态辨析

I still remember my happy childhood when my mother __________ me to Disneyland at weekends.( )

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八年级·英语·选择题时态辨析

—Could you please help me take out the rubbish? —Sure.I will do it I finish my book report.( )

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