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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·填空题图画作文
本学期,你进入了一所新学校.假定你是李华,请根据以下提示,用英语写一封邮件把这个好消息告诉你的笔友John. ●two teaching buildings ●a big library ●a lab ●a computer room ●... 要点: （1）新学校的概貌； （2）去新学校的方式； （3）你的感受. 注意: （1）短文须包含上述要点,可适当增加细节,以使行文连贯； （2）文中不能出现真实姓名和学校名称； （3）词数60左
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九年级·英语·填空题图画作文
他把你弟弟和此事联系起来了. He ______your brother ______ the matter.
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七年级·英语·填空题小作文
某英语杂志社"我爱我家"栏目组正在向广大中学生征集关于介绍家庭的文章,假设你叫李华,请你以 My ______ Family 为题,写一篇短文介绍自己的家庭. Family members Appearance（外貌） Personality（性格） Hobby Dad wear glasses,tall,… quiet,… read books,… Mum beautiful,long hair,… kind,… sing,… … …
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七年级·英语·选择题英译汉
I don\’t have a soccer ball, my brother Alan .（ ）
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八年级·英语·选择题英译汉
You can spend time with your friends_____you play sports together.（ ）
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七年级·英语·填空题图画作文
你想知道Tom的弟弟多大了,可以这样问: ______,Tom?
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七年级·英语·填空题图画作文
绘画帮助我亲近自然.（get close to） ______
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八年级·英语·填空题日常生活类阅读
Do you know how to ask for and give directions（方向）well?Let me give you some great ways. Ask for directions Remember,it\’s important to be polite（有礼貌的）.Always start with a "Hello" or "Excuse me",and then don\’t forget to
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九年级·英语·选择题日常生活类阅读
—What is he worried about? —Math,another thing that he very difficult.（ ）
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八年级·英语·填空题日常生活类阅读
"Poor Grandma!I wish we could do something to cheer her up",Amy said to her brother Mark. Grandma （1）______and hurt her leg.The doctor said she would be in bed for six weeks.Grandma was very active and loved to （2）______
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九年级·英语·填空题日常生活类阅读
Have you ever watched a movie with your partners on the weekend?Do you know what you should do and what you shouldn\’t do in the cinema?If you want to figure out the answers,you are supposed to have a look at your film t
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八年级·英语·填空题日常生活类阅读
The P ______ Museum is in Beijing.
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八年级·英语·填空题日常生活类阅读
How much free time do you have on the weekend?What do you usually do in your free time?Let\’s see the result of the survey（民意调查结果） from students at Sunshine Middle School. How much free time do you have each weekend? How
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九年级·英语·填空题日常生活类阅读
You might hear a lot about Ireland which is well-known for her beauty.Here are some places of interest that you cannot miss. Diamond Hill The Diamond Hill is the second most popular in Ireland.It\’s more than a hill；it\’
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八年级·英语·填空题人物故事类阅读
Dave\’s bicycle was grey.He thought to （1）______（he）,"This colour is kind of boring."So he decided to paint it a different colour.But he didn\’t have enough money （2）______（buy） new paint. One day,Dave told his friend To
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七年级·英语·填空题人物故事类阅读
This ______（be）a ruler.
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八年级·英语·填空题人物故事类阅读
Henry was a pen name of an American（1）______of short stories.His（2）______name was William Sydney Porter.He was（3）______in North Carolina in 1862.（4）______a young boy he lived an exciting life.He did not go to school for
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七年级·英语·填空题特殊疑问句
I am from Beijing,China.（同义句转换） I ____________ Beijing,China.
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八年级·英语·填空题人物故事类阅读
It was April 5.When Maria came home from school,she saw a note（便条）on the door.（1）______said: Dear Maria, Dad and I must work today.We will come home after 9 p.m. Mom Maria thought,"Today is my twelfth birthday.It\’s a（2）
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七年级·英语·填空题人物故事类阅读
dog one I hobby be parent play China classmate post make look Good morning,boys and girls.I am an English girl.My full name is Mary Green.Mary is my（1）______ name and my last name is Green.I am from England.I am in Taiyu
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