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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·填空题Lesson 8 Let's have fun !

缺词填空。 My grandparents l 【 1 】 on a farm. It is not f 【 2 】 away from our city. My parents and I often travel there b 【 3 】 train. It t 【 4 】 about one hour and ten m 【 5 】 . This is a picture of the farm. You can s 【 6 】

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七年级·英语·阅读理解Lesson 8 Let's have fun !

I am Tom. My favourite toys are a panda and a monkey. The panda has big eyes and a small nose on its face. The monkey has a big mouth on its face. The panda has two black ears on its head and it has a round white baby. T

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七年级·英语·填空题Lesson 8 Let's have fun !

Li Lei has a nice watch. It _______ three hands on _______ face. It _______ fast or _______. It _______ the right time. So Li Lei knows when to get up _______ the morning and when to________ to school. He likes it very m

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七年级·英语·句型转换Lesson 8 Let's have fun !

按要求变化下列句子。 【 1 】 He goes to school on Saturday and Sunday. (否定句) He ________ ________ to school on Saturday ______ Sunday. 【 2 】 He does his homework at home. (否定句) He ________ ________ his homework at home. 【 3 】 Jim ha

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七年级·英语·填空题Lesson 8 Let's have fun !

根据句意写出所给单词的正确形式。 【1】Can he ______________ ( answer) the question? 【2】Let me __________ ( sit) here, OK? 【3】It is nice ______________ ( meet) you. 【4】He ______________ ( not be) in our class. 【5】The man works on a farm. H

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七年级·英语·翻译题Lesson 8 Let's have fun !

英汉互译。 【1】我所有的新同学____________________ 【2】那个留长发的妇女_________________ 【3】看黑板_____________________ 【4】三盒子糖果____________________ 【5】五个西红柿__________________ 【6】write down your answers_________ 【7】listen to the tape again_______

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七年级·英语·选择题Lesson 8 Let's have fun !

10 September is ____________.

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七年级·英语·选择题Lesson 8 Let's have fun !

The Chinese New Year is _______ January _________ February.

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七年级·英语·阅读理解Lesson 5 Wonderful things

Miss Liu is an English teacher. She is very young. She works very well and the students all like her. There are twenty-six boys and twenty-four girls in her class. Now some of them are playing on the playground. Jim and

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七年级·英语·填空题Lesson 5 Wonderful things

Mr. Bush comes from ____ But now he works ____ a middle school in China. He has sixty students. He often says his class is too big and it is hard work for him to ___ with every student in English. He enjoys ____ black te

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七年级·英语·书面表达Lesson 5 Wonderful things

书面表达。 假如你是Millie,请写一篇短文作自我介绍。字数70词左右,短文需包含以下要点,可适当发挥。 我的名字叫Millie。十三岁,来自英国(England)。我家有三口人。爸爸是警察,妈妈是教师。我爱他们。 1. 我喜欢读书。我有许多朋友。 2. 看!我在教室里,我的帽子是红色的,我的外套是黄色的,我的裙子是灰色的。 3. 我在学校很开心。 ___________________________________________

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七年级·英语·任务型阅读Lesson 5 Wonderful things

阅读表达:根据短文内容回答问题 Bill’s father likes eating fish very much. He often buys fish in the shop and cooks it to eat. One day Bill sees the fish and thinks,” Good! Now, I can ask my friends to have lunch and we can eat the fish

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七年级·英语·填空题Lesson 4 You look cool !

Thanksgiving Day is on the fourth Thursday of (1)N______. It's one of the most(2)i______American festivals. In my family, we always go to my grandmother's house (3)o______ Thanksgiving Day. All my aunts, uncles and cousi

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七年级·英语·句子翻译Lesson 4 You look cool !

星期一到星期五,我们通常上午八点做早操.______.

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七年级·英语·句子翻译Lesson 4 You look cool !

他经常带领新学生们参观他们的学校.______.

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七年级·英语·补全对话Lesson 4 You look cool !

从 B 栏选出与 A 栏正确匹配的句子。 A B 【 1 】 Where is the new park? A She is thirteen. 【 2 】 What’s in the tree? B It’s brown and grey. 【 3 】 Whose jeans are they? C Yes, there is. 【 4 】 What colour is your blouse? D She is my cousin.

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七年级·英语·补全对话Lesson 4 You look cool !

补全对话,每空只填一个单词。 A: 【 1 】 you know my sister? B: What 【 2 】 she look like? A: She 【 3 】 medium height. And she 【 4 】 short hair. B: 【 5 】 she thin? A: No, she isn’t. And she 【 6 】 glasses. B: 【 7 】 she have curly blond hai

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七年级·英语·完成句子Lesson 4 You look cool !

根据汉语提示,完成句子。 【 1 】 它是谁的玩具熊?是你的吗?不,是他的。 _________ _____ is it? Is it _____ ?No,it’s ______ _____ _______ . 【 2 】 看米莉 ! 她的短裙是黑白相间的。 ______ _____ Millie. ______ ______ _______ _______ and ______ . 【 3 】 不要把你的全家福贴在这儿。 ______

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七年级·英语·句型转换Lesson 4 You look cool !

句型转换。 【 1 】 The yellow kite is my twin brother’s. (划线提问) _______ the yellow kite? 【 2 】 Andy’s blue jeans are here . (改为强调句) _______ _______ Andy’s ______ ______ . 【 3 】 Whose sweater is this?( 同义句 ) ______ _______ _____

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七年级·英语·单词拼写Lesson 4 You look cool !

根据句意和首字母提示补全单词。 【 1 】 There aren’t a _____ colour pencils in my pencil box. 【 2 】 Don’t b ____ late for school again. 【 3 】 Peter is from A ____________ . 【 4 】 There are many a _________ in the zoo. 【 5 】 How many d ___

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