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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·填空题祈使句

Your sister is writing a letter to ______(介绍) herself now.Please be quiet.

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七年级·英语·填空题语法填空

Can you tell me what the ______(罪犯) looks like?

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七年级·英语·填空题语法填空

Please don\’t be ______(noise).The baby is sleeping.

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七年级·英语·选择题语法填空

It\’s important________more in your learning.( )

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七年级·英语·填空题语法填空

Once upon a time,there was a wild donkey (驴) and a tame donkey. The wild donkey was thin and small.He spent his life outdoors.The grass on the hill was his food all the year round.Sometimes,he had to walk miles to find f

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七年级·英语·填空题教育文化类阅读

The summer vacation is a time to enjoy a change from the school year.It\’s a good chance to work on different activities that you don\’t have much time to do during the rest of the year. We asked about 2,000 people what

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七年级·英语·填空题历史文化类阅读

My name is Alice Green.I\’m (1)______ 12- year- old American girl.I\’m living in Hangzhou (2)______ my parents now because they are working here.I am happy to meet new teachers and (3)______(classmate).Among(在其中) them,I

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七年级·英语·选择题一般疑问句

— Is this your English book? — ____________( )

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七年级·英语·填空题历史文化类阅读

Hello!My name is Anna.I am from the USA.I have a big family.My mother\’s name is Laura and my father\’s name is Peter.My parents are very nice.They have black hair.My parents have three children.They are my brothers Tim,

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七年级·英语·选择题选择疑问句

How interesting the book is!I like ________.( )

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七年级·英语·填空题阅读排序

The traditional Chinese lunar calendar divides the year into 24 solar terms.Grain Rain (谷雨),as the last term in spring,starts on April 19 and ends on May 4. Grain Rain comes from the old saying, "Rain brings up the growt

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七年级·英语·填空题阅读排序

Liu Yang is the first woman to fly into s______ in China.

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七年级·英语·填空题史地常识类阅读

Elijah was a smart boy.But he was self-centered and had a very bad temper(脾气)When he got angry,he usually did some hurtful things.So,nobody wanted to be friends with him. Elijah\’s parents were worried about that.Finally

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七年级·英语·填空题阅读排序

Hello,I\’m Liu Yang.I was born in October,1978 in Henan.I am an astronaut (宇航员) now.I am the(1)______Chinese woman to go to space (太空).Now I am in the space station (太空站) (2)______Chen Dong and Cai Xuzhe.We need to live

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七年级·英语·填空题阅读排序

A.Sorry,I don\’t know. B.You can take a bus there. C.It\’s pretty far from here. D.Let me write it down in my notebook. E.Where can I take a taxi? F.Thank you very much A:Excuse me,could you tell me how to get to the air

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七年级·英语·填空题人生感悟类阅读

My father taught us in a very different way.On the first day of my junior high,my father gave me a map with street names and directions(方向) on it.He told me how to walk to the school. My school was a little far away.My f

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七年级·英语·填空题政治经济类阅读

One Sunday evening,it was quite dark when old Stanley went for a walk.He was walking along the sidewalk;suddenly,he saw a white car coming around the corner(拐角)at high speed(速度).It was going too fast and knocked into a r

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七年级·英语·填空题人生感悟类阅读

Doing sports can help us keep healthy.I like (1)______(swim) and diving very much.My favourite sports star is Quan Hongchan and she is one of the best diving players in China.Her:birthday is (2)______8 th March.She (3)__

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七年级·英语·填空题图表作文

学校为同学们提供了丰富多彩的社团活动,以"My Favourite Club"为题写一篇英语短文,说说你想参加的社团并说明理由. 要求: (1)条理清楚、语句连贯; (2)文中不得出现真实的人名、校名和地名等信息; (3)不少于 60词. ______

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七年级·英语·填空题图表作文

新的学期,作为中学生的你,一定又认识了更多的新朋友,有的更是成了好朋友.请你根据下列思维导图内容提示,以"My Good Friend"为题,写一篇英语短文,介绍一位你的好朋友吧. 注意: (1)可在思维导图内容提示的基础上适当拓展信息. (2)不能照抄原文;不得在作文中出现真实校名、地名和学生的真实姓名. (3)语句连贯,词数60左右.作文的标题已经给出,不计入总词数. 参考词汇:health 健康 My Good Friend __

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