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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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八年级·英语·填空题Unit 3 Language in use

用方框中所给词的适当形式填空 , 完成短文。每词限用一次 , 有两词多余。 if, come, one, even, he, animal, use, read, tradition, excited In November 1979,pupils in England were able to watch a new TV program called Monkey .Most of them were hearing this st

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八年级·英语·补全对话Unit 3 Language in use

根据对话内容 , 从方框中选出能填入空白处的最佳选项。 A: Hi,what's that in your bag? B: A radio. A: What?It's an old tool. 【 1 】 B: I know.But I need it to improve my English. A: How do you use it? B: 【 2 】 A: Why don't you use a computer? B: Bec

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八年级·英语·完成句子Unit 3 Language in use

根据汉语意思完成下列句子 , 每空一词【 1 】当你离开家的时候你有多大 ? How old were you when you ________ ________ ? 【 2 】商店通常在晚上 10 点关门。 Shops usually ________ ________ at 10 at night. 【 3 】你想参加我们的英语晚会吗 ? ________ you ________ ________ take part i

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八年级·英语·填空题Unit 3 Language in use

用方框中所给短语的适当形式完成下列句子 , 使句子通顺、正确 keep on, be good at, be interested in, thanks for, as well 【 1 】 He ________ playing football.He plays better than anyone else in our class. 【 2 】 ________ walking and you'll see the church

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八年级·英语·单词拼写Unit 3 Language in use

根据句意及汉语提示完成句子中的单词【 1 】 His plan ________ ( 听起来 )a great one. 【 2 】 You can ask Tony.He ________ ( 似乎 )to know about it. 【 3 】 The teacher ________ ( 检查 )your answers and said that all of them were correct. 【 4 】 My moth

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八年级·英语·阅读理解Unit 2 It seemed that they were speaking to me in person

There are few families in the United States that do not have either a radio or a television set.Both of them have become a necessary part of our daily life,keeping us filled with the news of the day,teaching us in many f

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八年级·英语·信息匹配Unit 2 It seemed that they were speaking to me in person

左栏是对五个人的描述，右栏是七个节目介绍，请为每个人选择合适的节目。 (1) Johnson is a movie fan.He loves to get the news about the latest movies.His favourite actor is from Australia. (2) Kathy is a housewife who has three children.She loves cooking and

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八年级·英语·单词拼写/单词释义Unit 2 It seemed that they were speaking to me in person

当小女孩走进商店的时候，售货员低头看着她。 When the little girl came into the shop,the shop assistant __________________her.

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八年级·英语·单词拼写/单词释义Unit 2 It seemed that they were speaking to me in person

我们学校的学生每月回家一次。 The students in our school go back home __________________.

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八年级·英语·单词拼写/单词释义Unit 2 It seemed that they were speaking to me in person

他们看上去好像在谈论一些严肃的事情。 ____________ that they were talking about something serious.

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八年级·英语·单词拼写/单词释义Unit 2 It seemed that they were speaking to me in person

他做了大量阅读，并了解到了许多欧洲历史。 He has read a lot and ______________________________the history of Europe.