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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·句型转换语法知识

From her letter I knew Jane didn't live in Canada any longer. （保持句意不变） From her letter I knew Jane____________ live in Canada.

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九年级·英语·句型转换语法知识

Some reporters interviewed a government official on traffic problems yesterday. （改为被动语态） A government official____________on traffic problems by some reporters yesterday.

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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》动词不定式》作宾语###人教新目标Go For It!（2012）》九年级全册》Unit 1 How can we become good learners?###

I reall y don't know ______ this question.

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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 3 Fighting crime》Unit 6 Detectives###北师大版（同北京课改版）（2013）》八年级下册》Unit 6 Detectives###

I found ________ with my new camera when I was in the park yesterday afternoon.

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九年级·英语·选择题初中英语知识点》句子种类》特殊句式》固定搭配###牛津上海版（2008）》九年级第一学期》Module 3 Fighting crime》Unit 6 Detectives###北师大版（同北京课改版）（2013）》八年级下册》Unit 6 Detectives###

Mr Zhang is an old man who enjoys ________ stamps from all over the world.

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Please finish off ________ of the bread on the plate. Don't waste it.

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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 3 Fighting crime》Unit 6 Detectives###北师大版（同北京课改版）（2013）》八年级下册》Unit 6 Detectives###

Yesterday Police Huang made a speech ________ fire-safety for us.

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We were ________ to travel without any problems with the weather.

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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 3 Fighting crime》Unit 6 Detectives###北师大版（同北京课改版）（2013）》八年级下册》Unit 6 Detectives###

When I got up early the next morning, John and his wife ________ to work.

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With the help of his teachers and classmates, he ________ in his studies.

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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》过去将来时###牛津上海版（2008）》九年级第一学期》Module 3 Fighting crime》Unit 6 Detectives###北师大版（同北京课改版）（2013）》八年级下册》Unit 6 Detectives###

—What did your son say in the letter? —He told me that he ________ the Disney World the next day.

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I usually read a lot when I was a young girl, but now I ________ read as ________ as I used to.

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The ice was too thin for us ________.

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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 3 Fighting crime》Unit 6 Detectives###北师大版（同北京课改版）（2013）》八年级下册》Unit 6 Detectives###

—Mum, I think I'm ________ to get back to school. —Not really, my dear. You'd better stay at home for two days.

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九年级·英语·选择题人教新目标Go For It!（2012）》八年级上册》Unit 1 Where did you go on vacation?》Section A###

There is __________ water here, but there are quite __________ empty glasses.

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The nurse doesn't feel well today, ________ she still works very hard.

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Mr Johnson is a very rich man who lives ________ and enjoys cooking.

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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 3 Fighting crime》Unit 6 Detectives###北师大版（同北京课改版）（2013）》八年级下册》Unit 6 Detectives###

Read the passage and fill in the blanks with suitable words （在短文的空格内填入适当的词，使其内容通顺。每空格限填一词，首字母已给） Music is an international language. Popular music in America is what every student likes. Students carry small radios with

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B. Choose the words and complete the passage（选择最恰当的单词完成短文） There's a hotel in northern Sweden. It is _______. It's open only from the middle of December to late April. The name of the hotel is the Ice Hotel. The hotel is

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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 3 Fighting crime》Unit 6 Detectives###北师大版（同北京课改版）（2013）》八年级下册》Unit 6 Detectives###

Choose the best answer （根据短文内容，选择最恰当的答案） It's the end of class. When the bell rings, students of Luohu Foreign Languages School in Shenzhen quickly take out their cell phones. They want to log on to their micro blogs to

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