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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·选择题名词作定语
Reading aloud can improve my ______ skills so that everyone can understand my ______ English.
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七年级·英语·选择题名词作定语
—What are those? — ________.
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七年级·英语·单词拼写-单句名词作定语
根据句意及首字母提示完成句子。 Letˈs play c _________ games.
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七年级·英语·填空题阅读填空
We have a n ______teacher.She cares much for us.
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八年级·英语·填空题阅读填空
Sushi,also known as Su Dongpo,was an amazing Chinese writer,poet and politician （政治家）.Born in 1037 in Meishan,Sichuan Province,he died in 1101 in Changzhou,Jiangsu Province. In Chinese history,Sushi,together with his bro
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七年级·英语·填空题阅读填空
What do you eat for lunch?In some countries （国家） ,lunchtime often means soup time!Soup is just one thing people eat for lunch.People in different countries may eat different things for lunch.Let\’s have a look. Mexico Ma
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八年级·英语·填空题阅读填空
Do you love flowers?Today I will tell you something about a kind of beautiful flower-- sunflower. A sunflower is a big,round,yellow flower.Sunflowers need a lot of sun to grow.In fact,sunflowers are made up of many small
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八年级·英语·选择题阅读填空
The 14th Five-Year Plan has shown the of the new development of China.（ ）
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七年级·英语·填空题阅读填空
Shakespeare was a famous English writer and a ______（成功的）actor.
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七年级·英语·填空题配对阅读
Lost Please help us find our dog,Max．It\’s 3 years old．It is white and cute．Max was lost in Central Park on June 10th,Monday．Call Gary at 555 6238． Found Is this your black watch in the school garden? I found it on Frida
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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 850697. You can also e-mail her at Mary@mail.com I really want to
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九年级·英语·填空题史地常识类阅读
Peter is a ninth-grade student and he （1）______in Suzhou.During the Dragon Boat Festival every year,his family often （2）______to nearby cities,such as Nanjing and Hangzhou.But Peter always （3）______to visit Shanghai.This
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九年级·英语·填空题史地常识类阅读
I asked three of my friends how they had changed since they came to our middle school.And here are their answers. Robin I didn\’t do well in my study before,but since I began to study in this school,things have changed.T
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八年级·英语·填空题史地常识类阅读
Americans love to drive.They have drive-in movie theaters and drive-through restaurants.And they also drive for vacations.They often call it the"Great American Road Trip":the whole family gets into a car or recreational
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九年级·英语·填空题史地常识类阅读
In China,December of the lunar calendar （农历） is called the La month,the start of the Spring Festival. On this day,people eat a special hot rice porridge —Laba Zhou.On the night before the festival,people will begin to co
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九年级·英语·填空题史地常识类阅读
National Day is a special day for Chinese people and it is one of the most important holidays in China.On National Day,we often dress up,leave home early with our family and join some （1）______ （celebrate）.One of the（2）_
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七年级·英语·填空题史地常识类阅读
A．Which club do you join? B．What do you do there? C．Why do you join the club? D．I can play the guitar very well now. E．How many students are there in the music club? F．Miss Chen is our teacher in the club. G．How often do
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七年级·英语·选择题史地常识类阅读
Suzhou is _____ old city.（ ）
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九年级·英语·填空题翻译填空
Mrs.Green expressed her great ______（悲伤,悲痛） when she learned that so many people lost their lives in the earthquake.
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九年级·英语·选择题翻译填空
Children more to parents than anything else in the world.（ ）
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