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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·填空题日常生活类阅读

How much free time do you have on the weekend?What do you usually do in your free time?Let\’s see the result of the survey（民意调查结果） from students at Sunshine Middle School. How much free time do you have each weekend? How

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八年级·英语·填空题人物故事类阅读

Dave\’s bicycle was grey.He thought to （1）______（he）,"This colour is kind of boring."So he decided to paint it a different colour.But he didn\’t have enough money （2）______（buy） new paint. One day,Dave told his friend To

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八年级·英语·填空题人物故事类阅读

Henry was a pen name of an American（1）______of short stories.His（2）______name was William Sydney Porter.He was（3）______in North Carolina in 1862.（4）______a young boy he lived an exciting life.He did not go to school for

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八年级·英语·填空题人物故事类阅读

It was April 5.When Maria came home from school,she saw a note（便条）on the door.（1）______said: Dear Maria, Dad and I must work today.We will come home after 9 p.m. Mom Maria thought,"Today is my twelfth birthday.It\’s a（2）

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八年级·英语·选择题宾语从句

— ? —He has a round face and two big eyes.（）

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八年级·英语·选择题新闻报道类阅读

-What\’s the of this school trip? -About 50 yuan per student.（）

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八年级·英语·填空题新闻报道类阅读

through much make play show it culture what spend education There are many TV programs on Chinese food,but few of them are like A Bite of China Ⅲ（《舌尖上的中国》第三季）.It tells us something interesting about what the Chinese eat

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八年级·英语·填空题时态辨析

Eric ______quite a few books to the kids in the countryside last year. （捐赠）

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八年级·英语·填空题逸闻趣事类阅读

Our family went shopping today and at last I ______ a big teddy bear. （选择）

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八年级·英语·选择题逸闻趣事类阅读

--Mike,do you know the answer______this question? --It\’s a little difficult for me.（）

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八年级·英语·填空题逸闻趣事类阅读

A little girl walked to and from school every day.Though it was not fine and clouds appeared in the sky that morning,the little girl made her daily trip to school as usual.When school was over,winds became stronger and i

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八年级·英语·填空题新闻报道类阅读

John,some of your answers are ______（correct）.Please be more careful.

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八年级·英语·选择题表语从句

Everybody knows that all roads_____Rome.（）

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八年级·英语·选择题祈使句

tea with me after work today,please.I have something important to tell you.（）

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八年级·英语·选择题时态辨析

When we building the Subway Line 3, it will be easier to travel around the city.（）