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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·选择题主谓一致

My classmates ___ me. And I like them, too.( )

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七年级·英语·选择题过去将来时的被动语态

Neither the detective nor the police___________out any proof yet.( )

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七年级·英语·选择题时态辨析

I a camera two weeks ago but I haven't had a chance to use it.( )

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七年级·英语·填空题文学作品类阅读

We usually write " ______" at the end of the letter.(you)

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七年级·英语·选择题文学作品类阅读

We must write the big letter of "w" .( )

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七年级·英语·选择题逸闻趣事类阅读

The lion ran after the rabbit.But the rabbit was too fast and the lion couldn\’t it.( )

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七年级·英语·句型转换语法

Our Chinese teacher rides to work every day. (改为同义句) Our Chinese teacher goes to work ______ every day.

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七年级·英语·填空题阅读判断题

Do you remember the story The Magic Brush of Ma Liang?Here is a similar story.The movie Harold and the Purple Crayon hit theaters in August,2024 in the US.It was adapted from(改编自)a famous children\’s book by Crockett Joh

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七年级·英语·选择题人生感悟类阅读

—Do you know anything about Zhang Guimei? —Yes,she often chats with the students and helps______with their problems.( )

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七年级·英语·填空题历史文化类阅读

The customers are complaining about the poor ______(serve) by the restaurant.

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七年级·英语·填空题历史文化类阅读

Animals on a Farm What animals do farms have?Farms have lots of animals,like hens,pigs,sheep,cows, (1)______ (山羊),horses and so on,but no(2)______(豹子).They ar too wild. (3)______do farm animals live?Look at the map of a

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七年级·英语·填空题配对阅读

Missing "LOST DOG" Reward:¥ 500 Name:Coco Age:6 years old Description(描述): Coco is a big brown dog.It is very friendly. If you find it,please call Mary at 850-6977. You can also e-mail her at Mary@ mail.com I really want

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七年级·英语·选择题政治经济类阅读

David is a boy from UK,but he\’s in China now.( )

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七年级·英语·填空题广告布告类阅读

Welcome to Guangzhou Chimelong Safari Park Do you like animals?Do you want to take your kids to see animals?Come to Guangzhou Chimelong Safari Park.It is a great place to spend time with your kids.You can walk or drive i

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七年级·英语·填空题there be 句型

There ______many sheep eating grass (草) on the farm. (be)

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七年级·英语·填空题阅读表达

This flower is beautiful.(变为复数) ______ flowers ______ beautiful.

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七年级·英语·选择题阅读表达

Nancy is active girl.We like to play with her.( )

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七年级·英语·填空题阅读填空

around,more,watch,example,correct (1)I want ______ books. (2)His answers are ______. (3)Let\’s move ______ our new school. (4)Please show me some ______. (5)David enjoys ______ English films.

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七年级·英语·填空题阅读排序

China sent Shenzhou-16 to space with three astronauts(航天员) on May 18th,2023.Do you know Liu Yang?She is China\’s first woman astronaut.She comes from Zhengzhou.In 2022,she lived in the Tiangong space station for six mont

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七年级·英语·填空题阅读填空

He is considered one of the most famous ______ of our time.(act)

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