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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·填空题人物故事类阅读

(1)Emma Brown is ______ years old. (2)This is a photo of her ______. (3)A ______ is under the desk. (4)She can\’t ______ her cap now. (5)Her computer game is ______.

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七年级·英语·填空题人物故事类阅读

The new term started,so the students in Bright Middle School planned to hold a party.On Thursday,the students decorated the classroom with balloons and posters after school.Some girls talked about what they would wear th

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七年级·英语·填空题人物故事类阅读

Dear Mary, Today was my first day in England and I learned something interesting about the weather here.It was cold in the morning,so I put on lots of clothes before I went to my new school.But when I was outside the wea

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七年级·英语·填空题人物故事类阅读

Xiaoming lives in Hefei.He lives close to his school,so he walks to school every day.His classmates also live nearby,so they can walk together. Nana lives in Chaohu.Her home is a bit far from her school,so she takes the

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七年级·英语·填空题特殊疑问句

I come from Dalian.(改为一般疑问句) ______ you ______ from Dalian?

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七年级·英语·填空题特殊疑问句

Lucy goes to school at seven every day.(改为一般疑问句并做否定回答) — ______Lucy ______to school at seven every day? — ______,she ______.

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七年级·英语·选择题特殊疑问句

-______ -Some rice,please.( )

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七年级·英语·选择题新闻报道类阅读

The new film magazine_______a lot of new films.( )

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七年级·英语·填空题特殊疑问句

This is a key in English.(对画线部分提问) ______

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七年级·英语·填空题特殊疑问句

--Are you Lily\’s mum?(作否定回答) --No, ______.

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七年级·英语·填空题特殊疑问句

my,those,English,are,books ______.

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七年级·英语·填空题特殊疑问句

—I\’m going to Hong Kong this weekend. —Oh,it s ______great.Have fun!

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七年级·英语·填空题特殊疑问句

name.is.what,her,last(?) ______

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七年级·英语·填空题逸闻趣事类阅读

Do you know AlphaGo?It is a top artificial intelligence Go player(人工智能围棋选手).It watches lots of Go games and reads many Go books.In a match,it can always pick the best move (一步棋),and ChatGPT is another AI star.US company

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七年级·英语·填空题逸闻趣事类阅读

When the storm came yesterday,the wind blew ______.(strong)

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七年级·英语·填空题新闻报道类阅读

Zheng Qinwen,a21-year-old Chinese girl who is good at playing tennis,won the first gold medal(金牌)in the women\’s singles tennis in Paris Olympic on August,3. This is the first time(第一次) that Chinese team has won the Olym

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七年级·英语·句型转换语法

- ____________ is your T-shirt? (how) - 50 yuan.

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七年级·英语·句型转换语法

一 ____________ apples are there on the table?(how) 一Nine.

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七年级·英语·句型转换语法

- ____________does it take you to get to work?(how) - It takes about 15 minutes.

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七年级·英语·解答题历史文化类阅读

假如你是韩林,你叔叔有一个农场,请根据以下问题,写一篇短文,介绍一下这个农场. 1)Is it a big or small farm? 2)What animals does the farm have? 3)What colors are the animals? 4)Are there any trees or flowers on the farm? 5)What can you do on the farm? 要求: 1.条理

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