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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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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

Maybe when I graduate, I’ll think about ________ an English teacher. A.become B.becoming C.became D.to become

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

The food in the restaurant is good ______ the price is too ______. A.and; high B.but; high C.but; expensive D.because; low

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

I think a dog is a good pet for _________ child. A.a 6-year-old B.an 6-years-old C.a 6-year old D.a 6 years-old

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

When I walked past the park, I saw some old people _________ Chinese Taiji. A.do B.doing C.did D.are doing

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

Have you ever read English novels? ________. A.Yes, I did B.Yes, I have C.No, I have D.No, I don't

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

Jessica's parents always encourage her __________ out her own opinions. A.speak B.speaking C.to speak D.will speak

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

I like the TV play, because its end is ______. A.peaceful B.perfect C.progress D.performance

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

Anna is going on a tour of Xi’an, and she wants to _____Chinese history. A.dream of B.learn about C.look through D.pass on

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

I watched Wangwang ______ with a friendly white cat ten minutes ago. A.played B.to play C.plays D.play

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

—I’ve never been to the new water park. How about you, Frank? —_________. Let’s go there together! A.Neither have I B.Me, too C.That sounds fun D.So have I

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

—Dad, about _________ of our classmates wear glasses. —Oh, that’s terrible. You all should take good care of your eyes. A.three fourth B.third forth C.third fourth D.three quarters

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

Many old people like to go _________ to enjoy their holiday. A.somewhere peace B.somewhere peaceful C.anywhere peaceful D.anywhere peace

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

Before you ask someone for help, find out _________ he is the right person for your problem. A.since B.that C.whether D.unless

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

—Have you ever met a group of ____ on the bus? —Yes, I have. A.Germen B.Germans C.German D.Germens

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

—Where is Jim? —He________to the school library. A.went B.has been C.has gone D.goes

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

We plan to travel around.But we haven’t decided where _______. A.go B.going C.went D.to go

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

It is her dream________a famous singer. A.to become B.becoming C.to becoming D.become

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

Kate is so funny that she often makes us _______. A.laughing B.laugh C.to laugh D.laughed

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八年级下·英语·choice专题08 单项选择专练100题(二)(人教版)

I can’t say _______ I want to visit my grandma. I haven’t met her for a long time. A.how much B.how far C.how long D.how often

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八年级·英语·选择题疑问词组

—How long did it ________ your parents to decorate your living room? —They ________ about two days decorating it.( )

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