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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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七年级·英语·填空题句型转换

My tape player is on the bookcase . (划线部分提问) ______ is ______ tape player?

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七年级·英语·填空题祈使句

Claire put on the school uniform, ____________?(补全附加问句)

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八年级·英语·填空题祈使句

句子分析,写出划线句子的句子成分. 示例: The US has a large population.(主语) She played much happier in her new house yesterday. ______

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八年级·英语·填空题祈使句

在这次物理竞赛中,Kitty 犯的错误最少. ______

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八年级·英语·填空题特殊疑问句

I think game shows are ______,so I love watching them (enjoy).

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七年级·英语·填空题特殊疑问句

What do you think of her______(相貌)?

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七年级·英语·填空题特殊疑问句

Mary: ______?She looks so beautiful. Maggie:My sister is a singer.

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七年级·英语·填空题特殊疑问句

He usually goes to school by bus. (划线部分提问) ______ does he usually go to school?

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七年级·英语·填空题特殊疑问句

Simon never goes to bed late.(对划线部分提问) __________________ Simon go to bed late?

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八年级·英语·选择题社会文化类阅读

Nancy and John are both in Grade 8.According to the table,we know John Nancy.( )

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七年级·英语·选择题社会文化类阅读

It often rains in the summer of Xinxiang.( )

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九年级·英语·填空题社会文化类阅读

but,achievement,I,before,easy,after,something,wonder,important,of,pronunciation,about, When I was young,I loved to read stories of successful people,from ancient times to modern days.I was encouraged by their(1)______lif

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九年级·英语·选择题一般现在时的被动语态

—Look!The rainbow in the sky looks so beautiful,what's it made up? —It ________ when sunlight passes through small drops of water in the sky.( )

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九年级·英语·选择题一般现在时的被动语态

We'll fly a kite in the park as soon as your homework _______.( )

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九年级·英语·选择题一般现在时的被动语态

Now teenagers ______ to work as volunteers in their communities.

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八年级·英语·填空题社会文化类阅读

Yesterday my brother and I went to watch a soccer game.We watched our favorite teams(队),the Eagles and the Hawks. The seats were good and they were not far from the field(球场).We sat and enjoyed the game.But then we began

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八年级·英语·填空题社会文化类阅读

Jim says we can stay in his house as long as we ______(使处于某种状态) it clean and tidy.

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九年级·英语·选择题一般现在时的被动语态

If I __________five minutes,I'll get everything ready.( )

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九年级·英语·选择题一般现在时的被动语态

--- I don't know which novel I should buy. --- Look!The top five novels ______ here.You can choose the one you like best.( )

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九年级·英语·选择题一般现在时的被动语态

— The air in Suzhou is getting fresher. — Exactly.And a lot of trees and flowers in our city in spring every year.( )

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