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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·单词拼写/单词释义Lesson 1 Last Week on TV

上周六我和妈妈一起去超市购物了。 I______in the supermarket with my mother last Saturday.

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八年级·英语·单词拼写/单词释义Lesson 1 Last Week on TV

我们度过了一个忙碌却令人激动的周末。 We______a busy______weekend.

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八年级·英语·单词拼写/单词释义Lesson 1 Last Week on TV

戴夫每天都看电视，但是昨天他没有看电视。 Dave______every day, but he______yesterday.

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八年级·英语·单词拼写/单词释义Lesson 1 Last Week on TV

今天我试图给家人烹饪了不同的东西。 I tried to cook______for my family today.

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八年级·英语·单词拼写/单词释义Lesson 1 Last Week on TV

我爸爸喜欢听体育新闻。 My father likes______sports news.

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八年级·英语·选择题Lesson 1 Last Week on TV

-__________ he__________a good rest last night？ -No, he didn't. He was worried about his coming exam.（）

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八年级·英语·选择题Lesson 1 Last Week on TV

-When __________you__________school this morning？ -At half past seven.（）

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八年级·英语·选择题Lesson 1 Last Week on TV

Mr White was late because he__________his way.（）

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七年级·英语·任务型阅读Unit 1 We’re enjoying the school trip a lot.

任务型阅读 This is a picture of a park.There are many people in the park.They are having a good time.Some boys are playing games.Some girls are singing and dancing under a big tree.Two old men are playing chess near the tree.

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七年级·英语·阅读理解Unit 1 We’re enjoying the school trip a lot.

When I'm sitting at the table，father comes into the room and says to us with a smile，“I forget(忘记)to tell you the good news.There is a letter(信)from Aunt Amy.She's coming to see us with her little son Tony this afternoon

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七年级·英语·填空题Unit 1 We’re enjoying the school trip a lot.

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空白处填入一个适当的词或使用括号中词语的正确形式填空。 Today is Saturday.It's nine o'clock.The Smiths 【 1 】 (be)all at home.Mrs Smith is watching a TV shopping programme( 节目 ) ． She wants to buy a bike( 自行车 ) 【 2 】 TV ，

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九年级·英语·阅读理解Unit 7 Films

A By Zhao Wen; 16 June 2414; Monday Parents are calling for more government-run daycare( 日托 ) centres , after many had to queue up( 排队 )overnight last Saturday to secure places for their children. Officials at Pudong You

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九年级·英语·填空题Unit 7 Films

Have you ever seen any films starring Zhang Ziyi? Though some people don't like her acting, she is well known now not only in China, but also in the West. Zhang Ziyi's first ______ in an American movie was in Rush Hour 2

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九年级·英语·选择题Unit 7 Films

Before filming, the director wanted everyone to get ready and he shouted, ‘________’.

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九年级·英语·选择题Unit 7 Films

Most boys____ guns to dolls while most girls ___ have dolls than guns.

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九年级·英语·选择题Unit 7 Films

By the time he was 4, he ______ a lot of German words.

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九年级·英语·选择题Unit 7 Films

I’ll have my TV __________, and I’ll have Mr Wang _________ it.