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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·选择题主语+及物动词+间接宾语+直接宾语
The sentence"The little girl gave me a big smile．"belongs to ______．（ ）
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九年级·英语·选择题主语+及物动词+间接宾语+直接宾语
I （ ）
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九年级·英语·选择题主语+及物动词+宾语
The structure of the sentence “The students visited the museum” is _______.
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九年级·英语·填空题教育文化类阅读
How time flies!The 9th graders are going to graduate soon.We invite them to write about their school memories.Let\’s share some of them. Brita Favourite memory:Moving to this school last year and meeting new friends. Unp
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九年级·英语·填空题教育文化类阅读
How time flies!The 9th graders are going to graduate（毕业）soon.We invite them to write about their school memories（回忆）.Let\’s share some of them. Name:Brita Favorite memory:Moving to this school last year and meeting new f
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九年级·英语·选择题主语+系动词+表语
The soup tastes terrible because I put too much salt into it_____.（ ）
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九年级·英语·填空题汉译英
拆除这些旧房子怎么样? How about ____________these old houses?
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九年级·英语·填空题判断推理
Jenny has received about thirty p ______（明信片） from her aunt in British.
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九年级·英语·填空题判断推理
2024 October 20,2024 Cloudy Today,I had a talk with my friends about how our hometowns have changed since our parents were young. On my fifteenth birthday,my father gave me an iPad.And he told me that they played outside
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九年级·英语·阅读理解社会现象类阅读
You're rushing to school and a man ahead of you suddenly falls down． Do you stop to help？ In a study of bystanders， it was found that some people look away or keep on walking rather than stop and get involved． "There is
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九年级·英语·填空题社会现象类阅读
Do you know wuqinxi?It is a set of ancient exercises to help people stay healthy.It was created （1）______Hua Tuo,who lived in the Eastern Han Dynasty.As one of the most famous doctors in Chinese history,Hua Tuo is also b
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九年级·英语·填空题任务型阅读
There are many places to do volunteer work in the community.Some of my classmates volunteer at the animal shelter,the community table（which provides free meals for poor families） and many other places.Finding the right p
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九年级·英语·填空题广告布告类阅读
Join us at Uncle Bob\’s country buffet（自助餐）-one of the best local restaurants.We are now looking for people who would be interested in working with us. 3 cooks *At least one year\’s experience in a western restaurant kit
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九年级·英语·填空题过去将来时的被动语态
We had 50 members last year.The number has been d ______ this year —we get 100 members now.
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九年级·英语·选择题过去将来时的被动语态
The machine is ________ broken,so you must ask somebody to repair it at once.（ ）
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九年级·英语·填空题反意疑问句
The skirt must be Judy\’s.（改为否定句） The skirt ____________ Judy\’s.
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九年级·英语·填空题政治经济类阅读
Wuzhen Theatre Festival Wuzhen Theatre Festival is a theatre event in the ancient water town of Wuzhen in Zhejiang Province,It has become one of the most famous art festivals in China and Asia.Since 2013,the organizers h
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九年级·英语·选择题政治经济类阅读
President Xi Jinping paid _____ important visit to the US and was welcomed by Donald Trump,______ 45th American president．（ ）
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九年级·英语·填空题政治经济类阅读
A:Hi,Tom. （1）______ B:Yes.What\’s up? A:There is a traditional art show on Sunday.Some of my paper cutting works will be shown there. B:Wow,you are so great! （2）______ A:They are about flowers,birds and fishes.They stand
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九年级·英语·选择题政治经济类阅读
Mother\’s Day us once every year to be thankful to mothers.（ ）
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