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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·选择题初中英语知识点》副词》副词辨析###初中英语知识点》形容词》形容词辨析###牛津上海版（2008）》九年级第一学期》Module 2 Computers vs humans》Unit 4 Computers###牛津深圳版（广州沈阳通用）》八年级上册》Module 2 Science and technology》Unit 3 Computers###

Nowadays people can't live without electrical appliance such as ________ fans.

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九年级·英语·选择题牛津上海版（2008）》九年级第一学期》Module 2 Computers vs humans》Unit 4 Computers###牛津深圳版（广州沈阳通用）》八年级上册》Module 2 Science and technology》Unit 3 Computers###

As a leader, he should have the ability of thinking about things ________ another way.

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To build a road in the mountainous area is ________ real challenge.

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九年级·英语·选择题初中英语知识点》动词》非谓语动词》动名词》作主语###牛津上海版（2008）》九年级第一学期》Module 2 Computers vs humans》Unit 4 Computers###牛津深圳版（广州沈阳通用）》八年级上册》Module 2 Science and technology》Unit 3 Computers###

________student's English speaking and writing abilities is very important.

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九年级·英语·选择题初中英语知识点》动词》动词时态》过去完成时###牛津上海版（2008）》九年级第一学期》Module 2 Computers vs humans》Unit 4 Computers###牛津深圳版（广州沈阳通用）》八年级上册》Module 2 Science and technology》Unit 3 Computers###

When Tom arrived, he learned the TV play ________ for half an hour.

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Oxygen helps the fish stay ________.

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九年级·英语·选择题牛津上海版（2008）》九年级第一学期》Module 2 Computers vs humans》Unit 4 Computers###牛津深圳版（广州沈阳通用）》八年级上册》Module 2 Science and technology》Unit 3 Computers###初中英语知识点》形容词》形容词的用法》形容词作定语###

________ limited in the world.

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九年级·英语·选择题初中英语知识点》动词》动词分类》短语动词###牛津上海版（2008）》九年级第一学期》Module 2 Computers vs humans》Unit 4 Computers###牛津深圳版（广州沈阳通用）》八年级上册》Module 2 Science and technology》Unit 3 Computers###

Computers are useful. For example, they can ________ sending e-mail.

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九年级·英语·选择题初中英语知识点》句子种类》简单句》疑问句》反意疑问句###鲁教版（五四学制）（2004）》七年级上册》Unit 2 It’s raining###鲁教版（五四学制）（2012）》六年级下册》Unit 9 It's raining!###牛津上海版（2008）》九年级第一学期》Module 2 Computers vs humans》Unit 4 Computers###人教版（五四学制）（2012）》七年级上册》Unit 3 It's raini

He’s fed the dog and the cat, _______?

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When you're learning English, use it, ________ you'll lose it.

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九年级·英语·填空题牛津上海版（2008）》九年级第一学期》Module 2 Computers vs humans》Unit 4 Computers###牛津深圳版（广州沈阳通用）》八年级上册》Module 2 Science and technology》Unit 3 Computers###

As prices and building costs keep rising, the "do-it-yourself" trend （趋势） in the US continues to grow. "We needed furniture for our living room," says John Ross, "and we just didn't have enough money to buy it. So we dec

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九年级·英语·填空题-

Choose the words or expressions and complete the passage( 选择最恰当的单词或词语完成短文 ) ： Every year,our school has a dance for all the students.It’s a little funny seeing friends in clean shoes and trousers or colorful dresses,inst

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九年级·英语·阅读理解牛津上海版（2008）》九年级第一学期》Module 2 Computers vs humans》Unit 4 Computers###牛津深圳版（广州沈阳通用）》八年级上册》Module 2 Science and technology》Unit 3 Computers###

Happiness is important for everyone. Most people want to be happy but few knowhow to find happiness. Money and success don't bring lasting happiness. Happiness depends on ourselves. In other words, we make our own happin

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九年级·英语·句型转换初中英语知识点》句子种类》简单句》疑问句》特殊疑问句###初中英语知识点》动词》动词语态》动词的被动语态》一般过去时的被动语态###初中英语知识点》句子种类》主从复合句》直接引语和间接引语》直接引语和间接引语的转换###牛津上海版（2008）》九年级第一学期》Module 2 Computers vs humans》Unit 4 Computers###牛津深圳版（广州沈阳通用）》八年级上册》Module 2 Science and techno

Rewrite the following sentenced as required （根据所给要求，改写下列句子。每空格限填一词）【 1 】 I have; already had my bunch. （改为否定句） I ________ ________ my lunch yet. 【 2 】 A quick walk along Nanjing Road will remind you of many similar name

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九年级·英语·填空题初中英语知识点》代词》反身代词###初中英语知识点》句子种类》特殊句式》固定搭配###初中英语知识点》动词》非谓语动词》动词不定式》作主语###牛津上海版（2008）》九年级第一学期》Module 2 Computers vs humans》Unit 4 Computers###牛津深圳版（广州沈阳通用）》八年级上册》Module 2 Science and technology》Unit 3 Computers###初中英语知识点》形容词》形容

Complete the sentenced with the given words in their proper forms（用括号中所给单词的适当形式完成下列句子）【1】Computer can work ________ than they did two years ago.（fast）【2】Tom felt ________ sorry to be late for the Christmas party.（real）

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A. expensive B. comfortable C. depends D. owns E. by himself When most teenagers are learning how to work out maths problems, Kelvin Doe is teaching himself to make batteries and generators（发电机）for his neighbourhood in A

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A. amazing B. raise money C. boring D. pilot E. become Flying into the sky at speeds of up to 100 miles per hour, a pair of nine-year-old British girls broke a record to ______ the world's youngest wing walkers（机翼行走者）! T

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—You'd better go to see the doctor. —________.

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九年级·英语·选择题固定短语

Mr Peterson is taking an airplane. He has to go to Tianjin by train.（）

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九年级·英语·选择题形容词词义辨析,-ing形容词和-ed形容词辨析

Miss Shen had never expected to get the job. She was really when she was offered it.（）

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