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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·选择题gone to/been to用法比较

(2023八下·期末) —Jim isn't in the classroom. Where is he now? —He ____ the library.

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八年级·英语·选择题形容词辨析

(2023八下·期末) Mobile phones are important in the ____ world.

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八年级·英语·选择题固定搭配;动词不定式

(2023八下·期末) Our teacher reminds us ____ to study for the English test .

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八年级·英语·选择题一般现在时代替一般将来时;时间状语从句;主谓一致

(2023八下·期末) I will do some cleaning as soon as I ____my homework.

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八年级·英语·选择题短语动词;短语辨析

(2023八下·期末) Uncle Brown has collected many old bikes to ____and give away to kids who don't have bikes.

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八年级·英语·选择题时间状语从句;连词辨析

(2023八下·期末) We didn't go home ____ the old man was sent to the hospital.

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八年级·英语·听力题短文理解<br/>

(2023八下·期末) 请听下面一段独白,根据独白内容完成下列句子,每个空格不超过3个单词。 【小题】The head teacher, Mr Brown, likes to do . 【小题】Our teacher, Mr Black, enjoys playing ping-pong. 【小题】Ms King likes best. 【小题】Our teacher, Miss White, likes swimming in the

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八年级·英语·听力题短文理解<br/>

将听材料,回答问题。 【小题】Who gave Joe the toy car as a birthday gift? A.His father. B.His mother. C.His grandparents. 【小题】How old is Joe now? A.Six. B.Eleven. C.Fifteen 【小题】How many toy cars does Joe have? A.46 B.68 C.86 【小题】What

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八年级·英语·听力题长对话理解<br/>

将听材料,回答问题。 【小题】What does the girl do? A.A reporter. B.A teacher. C.A student 【小题】Why does the girl need a volunteer job? A.Because she wants lo teach English. B.Because she wants to travel next year. C.Because she wants

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八年级·英语·听力题长对话理解<br/>

将听材料,回答问题。 【小题】Whom will Tom go to Beijing with? A.His cousin. B.His uncle. C.His parents. 【小题】Where will Lily be during National Day? A.In Nanjing. B.In Beijing. C.In Xian. 【小题】What can we get from the conversation? A.T

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八年级·英语·听力题长对话理解<br/>

将听材料,回答问题。 【小题】How will the speaker go to Shanghai this Saturday? A.By plane. B.By car. C.By train. 【小题】Where are the speakers going to meet? A.In the town square. B.At the school gate. C.At a bus stop.

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八年级·英语·听力题长对话理解<br/>

将听材料,回答问题。 【小题】How long has Lin Tao been studying English? A.We don't know. B.For two months C.For three years. 【小题】What does the woman think of Lin Tao's English? A.It's hard to say. B.It's very good C It's very poor.

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八年级·英语·听力题短对话理解<br/>

(2023八下·期末) What does the woman mean?

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八年级·英语·听力题短对话理解<br/>

(2023八下·期末) Why does the man look unhappy?

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八年级·英语·听力题短对话理解<br/>

(2023八下·期末) Who is the girl going to visit?

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八年级·英语·听力题短对话理解<br/>

(2023八下·期末) How long has Li Lei stayed in hospital?

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八年级·英语·听力题短对话理解<br/>

(2023八下·期末) What's the matter with Lynn?

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八年级·英语·听力题短对话理解<br/>

(2023八下·期末) Which pen does the girl like best?

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八年级·英语·听力题短对话理解<br/>

(2023八下·期末) When is Tony leaving? A Next Tuesday. B Next Wednesday. C. Next Thursday.

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八年级·英语·听力题短对话理解<br/>

(2023八下·期末) Where will the boy and Jenny go this afternoon?

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