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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·选择题基数词

There are over three students in our school and of them lives nearby.( )

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七年级·英语·选择题常用日常交际用语;日常用语

-Hello!May I speak to Mike,please? -This is Mike speaking. .( )

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七年级·英语·选择题日常生活类阅读

Daniel\’s school is the east of the town and the south of the hospital.( )

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七年级·英语·选择题人称代词;物主代词

If bicycle is broken, can use .( )

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七年级·英语·选择题物主代词;形容词词义辨析

I hope you ________ a car ________.( )

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七年级·英语·选择题数词

-Bob,can you read the number 307,018? -Yes,I can.It's .( )

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七年级·英语·选择题冠词

Don't it in Chinese.Please English.( )

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七年级·英语·选择题介词+分词短语;介词和介词短语

She will go there underground and I will go there a bus.( )

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七年级·英语·选择题副词;情态动词

she isn't at home.She go to Beijing.( )

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七年级·英语·选择题不定冠词(a,an)

-Do you know man in black? -Which one? one outside the classroom?He's new teacher.( )

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七年级·英语·作文提纲作文

(2023七上·开学考) 假设你是李华,你准备在明天的英语课上向同学们介绍你的朋友Mary。请根据提示写一篇英语短文来介绍她。 要求:1. 60词左右; 2. 语言表达准确,语义连贯,可适当发挥。 要点提示:1. age: 13; 2. looks: tall and thin; 3. country: France; 4. favourite subject: English; 5. dream: an English teacher

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七年级·英语·填空题语法填空;日常生活类;记叙文

(2023七上·开学考) 语法填空 I'd like to introduce my friend Rebecca to you. She is 36. 11-year-old girl who is from 37. (Canadian). She lives with 38. (she) parents in a house close to a mountain 39. (call) Lianhua Mountain. She g

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七年级·英语·信息匹配任务型阅读;日常生活类;记叙文

(2023七上·开学考) 下面材料A~F分别介绍了阳光学校的六个社团的情况。请根据对Betty, Jack, Tom, Kate, James五位同学的简单描述,帮助他们选出合适的社团。 A. We have foreign friends come to our weekly meetings every Wednesday at 7:30 p. m. We show English movies that can help you

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七年级·英语·阅读理解人生百味类;故事阅读类;记叙文

阅读理解 It is a fine day in Beijing. Cindy takes her two boys Ben and Dave to eat out. They walk into a big restaurant. When the waiter sees them, he asks, "How many people will have dinner?" "Three," says Cindy. "OK. There

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七年级·英语·阅读理解日常生活类;记叙文;应用文

阅读理解 Dear Li Ting, I am very happy to receive your email. My name is Ivy. I live in New York and I really want to make an e-friend in China. I think China is a very interesting country. Some of my classmates have e-frien

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七年级·英语·阅读理解日常生活类;记叙文

阅读理解 Tony, Susan and Kate are good friends, but they like different sports. Let's have a look at what they like. I'm Tony. My favorite sport is basketball. I have three basketballs. My mother buys them for me. I often pl

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七年级·英语·填空题科普类;说明文

(2023七上·开学考) 完形填空 Do you want to make friends with people from all over the world? If you say yes, it's 1. for you to know the right way of greetings in different countries. In China, when we meet each other, we will ask

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七年级·英语·填空题副词;动词短语;一般现在时;一般过去时;从属连词;特殊疑问句

My journey to Beijing was very pleasant .(划线部分提问) ____________your journey to Beijing?

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七年级·英语·填空题名词;名词所有格;不定式;动名词;可数名词及其单复数

Thank you for ______ us to your home.We will visit you this coming Saturday.(invite)

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七年级·英语·填空题单词填空

Look, there\’re a lot of______ (visit) in the Summer Palace.

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