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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·填空题非谓语动词
it,difficult ______
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九年级·英语·填空题及物动词和不及物动词
阅读短文,从方框中选择适当的词填空,每空一词.方框中有两个词为多余选项.（请将答案写在题后横线上） After,lock,partner,somebody,because,remained,Luckily,deep,steal A trader had traded in a far city for months and made a lot of money.He was riding his horse home.He rode
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九年级·英语·填空题助动词的单数第三人称形式
She agreed to take part in Tom\’s birthday ______ （celebrate）.
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九年级·英语·填空题实义动词的过去式
请根据语篇内容,用方框中所给词的正确形式填空,使短文通顺、连贯.方框中有两个词为多余项. usual learn correct serous attention knowledge you large increase interest discover textbook Learning is a lifelong journey.Everyone should keep（1）______ something new every d
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九年级·英语·选择题副词的原级比较
She runs as as her elder brother．（ ）
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九年级·英语·完成句子副词短语
完成句子。 【 1 】 当你遇到狗时，不要突然跑起来，否则它可能会追赶你。 When you meet a dog, don’t run suddenly, or it may ______________ you. 【 2 】 出门前别忘记切断水源。 Don’t forget to _____________________ the water supply before going out. 【 3 】 了解一些餐桌礼仪是非常必要的
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九年级·英语·选择题日常生活类阅读
—Look!Do you know your pen pal is waiting for at the railway station? —He has told me his relative will come here.（ ）
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九年级·英语·选择题日常生活类阅读
—On March 12 this year,our class planted trees on side of the main road in our school. —Yeah,our school looks more lively and more beautiful now.（ ）
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九年级·英语·选择题日常生活类阅读
—________ do you make so many friends? —________ helping others.（ ）
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九年级·英语·填空题日常生活类阅读
How can we be polite?My grandma advises me to use "（1）______ words". The first one is "please".We use it when we（2）______ something.For example,I want to borrow Jane\’s dictionary.It would be （3）______ of me to say,"Give
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九年级·英语·选择题同位语从句
You've no idea ___________to build a new airport． Let me tell you， young man． That's billions of dollars!（ ）
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九年级·英语·填空题过去将来时的被动语态
reply word situation warm receive encourage student love remind deep The warm news "A boy sent a message to his dead father and received a warm reply." appeared on the Internet not long ago.It（1）______ touched a number o
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九年级·英语·选择题阅读填空
Don\’t ________ us, Miss Yang． We can help each other． We are good friends．（ ）
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九年级·英语·填空题人物故事类阅读
A:Good morning,sir.Welcome to Suning Appliances Mall. What can I do for you? B:（1）______. A:A Smartphone?Oh,we have many different types of smartphones.You can have a look first. B:This one looks cool.Can it be used for
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九年级·英语·填空题人物故事类阅读
That cold January night,I was growing sick of my life in San Francisco.There I was walking home at 1 am in the morning after a tiring practice at the theatre.With opening night only a week away,I was still learning my li
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九年级·英语·填空题人物故事类阅读
Yuan Ke works as a food deliveryman（外卖员） in Changsha,Hunan Province.He is a little different from most other food deliverymen.When busy lunchtime comes,Yuan doesn\’t pick up paid orders.Instead,he goes to a community can
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九年级·英语·选择题判断推理
To our surprise,the robot communicate with us in our local language.（ ）
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九年级·英语·填空题判断推理
On the Mid-Autumn Festival night,people ______ out fruits and desserts on the table.
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九年级·英语·填空题配对阅读
Autumn Equinox （秋分）is an important event in many cultures and traditions around the world.It is on September 22nd this year.On this day,people have some special activities to celebrate it. Standing eggs up on their ends
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九年级·英语·填空题广告布告类阅读
Babysitter Wanted Do you like children?Do you have free time in the afternoon?We need a babysitter for our son．He is five years old．Hours are 3:00 p．m．to 6:00 p．m．from Monday to Friday．Sometimes you have to work on the w
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