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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·填空题历史文化类阅读
Colourful fruits and vegetables are good for our health.Their colours help us keep healthy.Close your eyes and think about the colours of the food:the orange of carrots,the green of cabbages and the red of tomatoes. You
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八年级·英语·填空题历史文化类阅读
"Humans can develop certain abilities we aren\’t born with by practicing animals\’ movements," the traditional Chinese Wushu lovers believed in the past --and still do today. Chinese Five-Animal Exercises,also known as W
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九年级·英语·填空题阅读排序
There are lots of dangerous and terrible insects in Northeastern India，but the tree-bees are the most terrible．They are killers．Unlike most bees which will sting （叮咬）you only if they are disturbed （打扰），tree-bees will att
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七年级·英语·填空题历史文化类阅读
EMAIL To:yuanyuan21@ happymail.com From:flora4 ever@ magictime.com Hey Yuanyuan, Thanks for your last email!I like the photos of your family.I think you have a happy family.So now I\’d like to tell you about my family in
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八年级·英语·填空题历史文化类阅读
Did you climb a tree when you were young?How did you feel?What if you have a"tree climbing class" at school?A primary school in Hangzhou has opened a"tree climbing class" recently.Quite a lot of people are interested in
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八年级·英语·填空题历史文化类阅读
Wonderful Tour（4-Day） of Lianyungang Xi\’an Spring and Autumn International Travel Agency（旅行社） Including: Price:only ￥1368 Places to visit: •A round-trip train ticket（车票） from Xi\’an to Lianyungang •Bus service（服务） aroun
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九年级·英语·选择题连词成句
We are going to have picnic at top of the hill tomorrow．（ ）
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七年级·英语·填空题连词成句
A:Where are you from,Gina? B:（1）______ A:Who is your first friend? B:Linda is my first friend.（2）______ A:What does she look like? B:（3）______ She looks really beautiful. A:Is she good at sports? B:（4）______ A:What sport
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九年级·英语·填空题英译汉
Simon was a six-year-old boy.One day he was taking a（1）______class.The teacher asked him, "If I give you one apple and one apple and one more apple,then how many apples will you have?" Within seconds Simon（2）______confid
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九年级·英语·填空题英译汉
Where does your food come from?How is it made?In the past,many people worried about food safety（安全）.But foods\’ safety is not a new worry.In 1906,Upton Sinclair wrote The Jungle.The book is about the story of a poor fami
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八年级·英语·填空题英译汉
It is a wonderful time and every student enjoys ______ at the party. （they）
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八年级·英语·填空题连词成句
your,not,at,you,finger,others,should,with,point． ______．
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八年级·英语·填空题连词成句
昨天莉莉唱得最美. ______
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七年级·英语·填空题连词成句
阅读短文,从方框中选择适当的词并用其正确形式填空,使短文通顺、意思完整.每空限填一词,每词限用一次. jacket for match good have want play nice boys she Do you like football?Is football only （1）______ boys?No.Girls can play it,too.And some of them can play it （2）______!S
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九年级·英语·填空题图画作文
手机正改变着人们的联系、娱乐和出行等方式．你知道手机的起源和发展吗?请根据下面表格的提示信息,结合手机的发展情况、外形、用途等方面,谈谈它的变化与发展． 要求: （1）80 词左右（开头已给出,不计入总词数）； （2）可适当增加细节,以使行文连贯； （3）短文中不得出现你的真实姓名、学校名和地名． 第一部手机由美国人 Martin Cooper 发明于 1973 年． 外形特点；以前的手机屏幕较小并且多为黑白屏幕；现在的手机屏幕多为彩色
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九年级·英语·选择题英译汉
Mr.Brower always calls me "a tiny little boy",_____I am as tall as he is now.（ ）
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八年级·英语·填空题英译汉
on a project, protect the environment, is working, these days, the young man, to help．（连词成句） ______．
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八年级·英语·填空题英译汉
Someone says, "Time is money." But I think time is much（1）______important than money.Why?Because when money is spent,we can get it back.But,when time is gone,it will never（2）______.That is（3）______we mustn\’t waste time.
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九年级·英语·填空题小作文
提示:良好的生活习惯是健康和幸福的前提.青少年阶段是养成良好生活习惯的关键时期.请以"Good Living Habits Make Me..."为题,用英语写一篇短文,介绍一下好习惯带给自己的改变. 要求:（1）请先将题目补全后再作答； （2）语言流畅、书写规范、卷面整洁,词数不少于60个； （3）文中不得使用真实姓名、校名,否则以零分计. ________________
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七年级·英语·填空题图画作文
假如你是李华,你校准备举行一次以"Protect the Earth"为题的英语演讲比赛,请根据以下表格的内容,写一篇英语演讲稿参加此次比赛,演讲稿需要包含以下提示的内容: Protect the Earth 必要性 是我们的家园,提供空气、食物和水 问题 1.滥伐树木 2.……（补充一个问题） 倡议 提出两个倡议 注意: （1）词数要求:80词左右（短文开头已给出,不计入总词数）； （2）不得透露学校、姓名等任何个人信息,否则不予评分
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