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高频错题
#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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A:Hi,Jack! (1)______ B:Hello,Mark!I\’m fine,thanks. A:Do you have a cat? B:Yes,I do.Its name is Mimi. A: (2)______ B:Yes,M-I-M-I. A:What colour is it? B: (3)______ A:What\’s that in your hand? B: (4)______ It can open th
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假设你叫李飞,是来自英国的一名中学生,想结识中学生 Bill.请你根据下面的表格内容,写一封电子邮件向他介绍你的情况.字数60词左右,可适当发挥. 姓名 李飞 爸爸 体育老师 年龄 13 妈妈 英语老师 国家 英国 最喜欢的食物 水果,牛肉面 学校 Xing Hang School 最喜欢的运动 篮球和足球 Dear Bill, Nice to meet you!_________ Yours, Li Fei
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你校英文报The New Start为了解七年级学生的校园生活情况,下期将开设"My new school life"专栏.请你根据以下提示写一篇英语短文,介绍一下你的校园生活. (1)How many buildings are there in your school?What are they? (2)What\’s your favorite building and why? (3)What do you do at scho
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假设你叫李明,你校交换生 Ethan在阅读中国古诗词的过程中遇到了困难,他通过学校广播节目寻找共读伙伴.请你根据以下思维导图的提示,用英文写一封邮件,表示愿意成为他的共读伙伴,并提供帮助. 注意:(1)可在思维导图内容提示的基础上适当拓展信息. (2)不能照抄原文;不得在作文中出现真实校名和考生的真实姓名. (3)语句连贯,词数80左右.作文开头和结尾已经给出,不计入总词数,也不必抄写在答题卡上. Dear Ethan, I\’ve l
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Peter想要买一个带有四间卧室和一间厨房的大房子.(with) ______
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每个人的房间都是自己的小世界.假如你是汤姆(Tom),请根据图片,以"My Room"为题,用英语写一篇60词左右的短文,介绍一下你的房间.内容包括: 1)描述房间物品及其摆放位置; 2)谈谈你对自己房间的感受. 要求: 1)短文须包含提示的所有信息,并适当拓展; 2)文中不得出现真实的人名和校名. My Room
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根据下面表格中提供的信息,假如你是David Smith写一篇自我介绍小短文.要求:要求:书写规范、条理清楚、意思连贯、语句通顺、标点正确.词数:45~60. Name David Smith Age 12 Class 3 Country England Teacher Miss Gao Friends Daming and Betty Favourite food Eggs(鸡蛋) and bread
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假如你叫 Ella White,下面这张照片是你的全家福.请你根据表格中的信息与要求,以"My Family"为题用英文写一篇短文,向大家介绍一下你的家庭成员. 爷爷(Ben) 奶奶(Sarah) 爸爸(Mike) 妈妈(Amy) 妹妹(Cindy) 弟弟(Bob) 参考词汇:tennis,reading,sports,beautiful,kind 要求: (1)短文应包含以上表格中的所有信息,选择使用参考词汇,可适当发挥; (2)语句
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假设你叫李华,你的英国笔友Linda为了来中国旅游而报名参加了汉语培训班学习汉语.她最近写信向你询问学习外语的建议.请根据下列提示和你学习英语的体会给Linda写封回信. 注意: 1.回信需要包括全部要点; 2.开头和结尾已经给出,不计入总词数; 3.词数60左右. Dear Linda, I\’m very glad that you\’ll come to China to take a vacation.I know it isn
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---Soldier, I don't care _____. In this army, there's only one hairstyle—short! Understand? ---Yes, sir!
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I’m new here, could you please tell me ________?
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Look!The fish ______(swim) in the river.How happy they are!
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I got to the railway station late yesterday evening because of the traffic,but the train was still there.( )
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and;be;it;she;live;have;at;even;friend;English;too;he Hello!My name is Mary Smith.Smith (1)______my last name.I\’m 12 years old.I am (2)______ Beijing No.4 Middle School.I like red very much.I have a red schoolbag.I have
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Helping your child choose a hobby is very good for him or her.Children can learn a lot when they are enjoying themselves.Here are some tips that may help. Match your child\’s interests.If he likes to cook,buy him a cookb
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阅读下面短文,从所给的四个选项中选出一个最佳答案,使短文连贯完整. My name is Oliver.It was Sunday yesterday.The weather(1)______windy and cool.I went to the countryside with my family.My father drove(2)______there.In the morning,we(3)______far a walk t
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①In 2024,Donald Trump was elected President of the United States once more.His election campaign(竞选活动) was filled with excitement as he traveled across the country,making passionate speeches.A large number of supporters
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根据短文内容,用方框中所给词语的适当形式填空,使文章通顺、完整. (每词限用一次) visit,little,allow,make,where,cause,can,city,safe,popular During the week-long National Day holidays,the mysterious Ailao Mountains in Yunnan Province,southwest China,became very
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Yesterday Uncle Lee ______([ɪn\’vaɪtɪd]) my family to dinner.
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Once upon a time there was a smart man,he went to the sea to do his writing.He had a habit of walking on the beach before he began his work.One day he was walking along the shore.As he looked down the beach,he saw a huma
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