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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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九年级·英语·选择题感叹句

Look at those students．_______hard-working they are!（）

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九年级·英语·选择题连接代词

I didn’t know ______ because it was very noisy.

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九年级·英语·选择题连接代词

-Do you still remember _________________? - It was a Monday afternoon at the library. Take "ni hao" out and he was helpless.

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九年级·英语·选择题连接代词

To my surprise，my grandma suddenly asked me ________ use the “Red Packets” on QQ.

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九年级·英语·选择题连接代词

---Could you describe_____? ---Yes. I was calling and didn’t notice the light turned red.

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九年级·英语·选择题连接代词

— Excuse me, could you tell me ______? —There is a supermarket over there. You can get some there.

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九年级·英语·选择题连接代词

--- Could you tell me ___________________________? ---Yes. It will be in service in about two years.

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九年级·英语·选择题连接代词

—Do you know ________ Jenny will go to Beijing? —I'm not sure.She may go there by train.

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九年级·英语·填空题广告布告类阅读

A:Excuse me.（1）______? B:The Royal Hotel?Yes,it\’s one of the best hotels in our city.It\’s on Main Street. A:（2）______? B:Walk down this street and turn left at the first crossing.The Royal Hotel is on your right. A:Gre

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九年级·英语·填空题判断推理

Meet two or three friends,walk around the city,take a look at old buildings,or taste authentic （正宗的） local snacks...Recently,Citywalk has become a new favorite among young people.It\’s a new,relaxing way of traveling. Pe

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九年级·英语·填空题判断推理

You may know about"junk food"like French fries.But do you know about"junk sleep"?Recently,a British survey （调查） shows that there are many electronic products in teenagers\’ bedrooms.They are influencing teenagers\’ sleep

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九年级·英语·填空题语法填空

（2024九上·深圳月考）阅读下面短文，根据文章大意用所给单词的适当形式填空（未提供单词的，限填一词），使文章意思完整、正确。 Zhu Yanjun won second place in the Chinese Poetry Competition for his excellent poetry skills. Born in 36． village in Jingning County, Gansu Province, Zhu

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九年级·英语·选择题主语从句

-I heard that Jack ate the whole birthday cake on his birthday． -Yeah， selfish him to do that．（）

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九年级·英语·选择题主语从句

I think _____ not difficult _____ English every morning．（）

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九年级·英语·填空题判断推理

One day,I took my two kids to the local playground.As soon as we got there,my daughter ran to the swing and （1）______（ask） for a push.When I was helping my daughter,I noticed another girl trying（2）______（make） her own sw

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九年级·英语·选择题主语从句

_____ is believed that Bell invented the first telephone in 1876．（）

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九年级·英语·选择题主语从句

I don’t think possible to master a foreign language without much hard work．（）

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九年级·英语·选择题任务型阅读

-Home is always the warmest place. -_____East or west,home is the best.（）

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九年级·英语·填空题任务型阅读

—Please pour me a cup of tea. —Tea?I thought you ______ （prefer） hot chocolate.